1964 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 311.4 296.3 299.1 269.2 275.7 279.8 294.8 306.7 316.0 338.3 441.3 345.0 -85 -80 311.4 296.9 299.8 269.3 277.0 283.5 300.6 306.7 308.2 337.7 438.7 349.8 -80 -75 306.9 296.6 301.4 275.1 280.8 291.5 310.8 306.9 300.8 343.1 426.0 353.3 -75 -70 298.1 295.1 305.2 290.0 288.2 301.8 322.6 311.2 305.5 361.0 402.0 351.6 -70 -65 295.2 294.4 312.2 309.1 299.2 310.6 332.0 325.0 327.2 386.4 378.3 346.6 -65 -60 307.3 296.9 320.6 321.4 311.2 315.8 336.0 346.7 356.0 402.3 368.0 343.7 -60 -55 328.7 303.4 324.0 319.7 319.8 319.7 336.1 365.6 375.3 397.5 369.8 343.4 -55 -50 341.9 311.1 317.4 307.3 320.7 325.5 337.7 371.9 378.3 378.8 367.6 341.2 -50 -45 335.5 314.8 303.1 293.1 313.1 331.0 342.4 366.5 370.3 360.8 351.1 333.7 -45 -40 315.4 309.7 287.3 282.1 299.9 329.9 343.0 355.6 358.6 348.8 327.1 321.6 -40 -35 295.0 295.4 275.0 274.1 286.1 317.9 330.9 342.2 343.5 336.3 306.8 307.9 -35 -30 282.0 277.5 267.2 266.6 274.8 298.1 306.5 324.4 322.8 317.8 293.9 293.4 -30 -25 274.5 263.9 261.7 259.1 266.1 277.9 280.0 301.4 299.9 296.4 284.2 278.6 -25 -20 267.6 257.1 256.5 253.3 259.2 262.3 260.9 277.7 280.7 278.9 273.6 266.6 -20 -15 260.8 255.0 252.3 250.6 254.1 251.7 250.9 259.6 267.6 267.2 263.0 259.7 -15 -10 256.8 255.4 250.7 250.8 251.5 245.7 247.3 250.5 260.4 259.8 255.4 256.0 -10 -5 256.2 257.2 252.2 252.6 251.8 245.3 247.9 250.0 258.2 256.2 251.7 252.0 -5 0 255.3 258.3 253.8 254.6 254.7 251.4 252.6 255.7 259.5 255.9 249.5 247.1 0 5 250.6 256.0 252.7 256.6 258.9 261.4 260.7 263.8 262.1 256.9 246.8 244.2 5 10 243.7 251.1 250.4 258.9 263.9 270.1 268.9 270.8 264.5 257.3 245.6 245.6 10 15 240.3 249.1 250.5 262.2 270.4 274.7 273.4 274.1 266.5 256.6 248.5 249.0 15 20 244.4 254.6 255.8 267.4 279.9 277.7 274.1 272.7 267.7 256.5 254.1 251.0 20 25 256.0 267.8 267.8 276.8 293.1 284.6 276.0 270.0 268.6 258.4 258.6 253.9 25 30 273.2 287.3 287.5 292.9 308.4 297.8 283.7 272.1 271.6 263.9 262.0 265.1 30 35 295.2 312.5 315.9 316.0 323.9 313.7 296.0 282.5 278.5 272.5 268.2 288.1 35 40 319.7 342.4 350.7 343.1 339.2 327.2 307.1 296.8 287.9 282.2 278.7 315.2 40 45 340.6 371.7 384.1 370.6 355.6 336.8 313.9 308.1 297.3 291.6 289.4 332.3 45 50 350.8 390.3 407.0 395.1 373.3 345.8 319.6 314.0 305.7 301.2 296.0 335.2 50 55 349.9 389.9 416.1 414.6 388.9 355.8 328.3 317.4 313.1 309.0 300.1 335.9 55 60 346.3 374.8 415.4 428.4 398.1 363.0 337.0 319.4 315.4 307.4 305.6 346.7 60 65 349.5 361.8 413.2 438.3 399.6 362.5 338.2 316.2 307.5 289.7 311.7 363.8 65 70 360.5 365.8 417.0 447.6 396.0 355.3 330.6 306.2 291.4 261.2 313.8 373.1 70 75 372.2 385.2 429.6 457.5 391.2 347.8 320.5 294.6 275.8 237.8 310.8 370.2 75 80 377.1 404.8 448.2 464.4 387.7 345.6 314.7 287.7 267.0 231.8 306.9 366.1 80 85 374.7 412.6 466.5 466.1 386.3 348.5 314.3 286.7 264.2 240.8 305.6 370.9 85 90 371.0 411.5 478.0 464.8 386.0 352.2 315.6 288.3 263.7 251.0 306.2 379.2 1965 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 306.8 279.7 253.9 285.7 280.9 286.2 267.8 290.5 274.1 293.9 294.2 299.7 -85 -80 310.9 286.0 255.1 288.1 284.0 289.9 270.3 291.0 265.3 287.7 289.8 301.7 -80 -75 312.7 287.7 258.1 294.8 290.0 297.0 275.3 293.8 260.3 282.5 288.4 303.4 -75 -70 309.0 280.0 265.1 304.8 298.2 306.6 283.9 302.5 274.0 289.5 297.7 303.1 -70 -65 304.3 272.8 278.1 312.4 306.8 316.8 298.2 317.6 308.6 313.9 316.9 302.8 -65 -60 305.2 278.5 293.9 311.5 313.3 325.0 317.3 333.6 348.4 347.9 336.0 304.4 -60 -55 311.6 294.5 304.6 302.7 315.7 329.9 336.5 343.6 371.4 373.7 344.2 305.9 -55 -50 316.6 305.4 304.2 293.6 313.1 331.2 350.0 347.5 371.9 377.8 341.0 304.4 -50 -45 313.9 302.3 295.0 289.5 306.6 328.4 354.2 349.1 362.6 364.5 333.9 301.5 -45 -40 304.9 291.3 284.6 288.7 298.3 320.9 348.0 348.5 354.9 348.4 328.4 301.7 -40 -35 294.3 281.5 278.0 286.0 289.6 308.5 332.2 340.7 347.6 336.9 323.4 304.8 -35 -30 284.9 275.4 274.1 278.2 280.5 292.8 310.5 323.0 335.1 327.4 315.8 304.3 -30 -25 276.7 269.6 269.3 267.8 271.6 277.4 288.2 300.3 316.6 314.6 305.0 294.6 -25 -20 268.8 262.9 262.2 259.5 263.8 265.1 269.9 280.2 296.0 297.5 291.6 278.6 -20 -15 261.7 258.0 255.3 255.3 258.2 256.7 257.7 266.3 276.7 279.2 276.6 264.5 -15 -10 256.0 256.6 251.4 253.8 254.9 251.8 251.3 257.7 261.4 264.1 262.0 256.6 -10 -5 251.4 255.5 250.3 253.1 252.8 249.9 249.4 253.8 253.5 255.4 251.7 251.4 -5 0 246.8 251.3 249.7 252.5 251.7 250.7 251.0 254.7 253.2 252.5 246.6 243.5 0 5 243.0 247.0 248.6 253.6 253.1 254.4 255.3 259.3 257.0 252.4 244.0 233.6 5 10 242.5 249.3 249.9 257.5 258.3 260.4 261.5 264.9 261.1 254.1 241.9 227.7 10 15 247.0 258.7 256.6 264.2 267.5 268.0 267.6 269.6 264.8 258.5 242.5 230.0 15 20 255.9 267.8 268.8 272.8 279.8 276.0 271.9 273.3 269.2 265.0 248.2 238.7 20 25 266.5 272.5 285.0 283.9 293.8 284.6 275.3 277.6 273.6 270.9 257.1 249.5 25 30 278.8 281.7 305.4 299.8 309.4 295.2 281.6 284.5 277.5 274.7 265.3 262.0 30 35 295.6 309.6 332.8 321.7 326.7 309.2 293.7 293.5 281.9 277.7 273.5 279.9 35 40 319.1 355.7 365.7 348.2 345.8 325.8 310.1 302.4 288.4 281.7 285.9 305.0 40 45 346.6 397.1 396.7 375.4 365.2 341.9 325.8 309.6 298.0 287.4 303.9 332.9 45 50 370.2 411.0 417.6 398.4 381.7 353.6 336.3 316.1 309.5 295.3 320.9 356.9 50 55 383.4 400.8 425.8 413.5 392.6 358.7 339.9 321.6 317.4 304.5 326.4 375.8 55 60 384.9 389.9 424.9 420.3 397.9 357.5 336.7 321.7 314.6 309.4 317.6 393.5 60 65 378.9 393.4 420.1 422.5 399.8 352.4 329.1 312.2 300.4 304.0 303.3 412.3 65 70 371.0 406.3 415.0 426.0 399.8 346.9 321.3 296.1 283.6 289.2 295.2 429.1 70 75 366.9 417.1 413.0 432.0 398.2 343.7 316.3 281.5 273.0 274.1 296.9 441.2 75 80 370.3 422.2 416.3 436.6 394.5 343.3 313.6 274.0 269.3 267.2 301.4 450.7 80 85 379.6 425.3 423.7 436.5 389.9 344.1 311.3 272.6 267.5 268.7 302.0 460.9 85 90 388.0 427.6 430.0 434.1 386.8 344.9 309.4 273.2 265.5 272.2 299.6 468.6 1966 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 261.8 264.4 253.5 262.1 276.2 280.2 259.3 317.5 289.9 303.5 335.0 312.1 -85 -80 262.8 269.5 260.4 267.5 282.6 282.1 263.4 320.8 287.0 307.3 342.6 316.3 -80 -75 262.2 275.4 272.8 275.0 291.5 287.5 270.6 328.2 289.5 316.5 350.9 320.0 -75 -70 263.4 280.0 286.3 281.8 299.3 297.2 279.8 340.1 304.8 331.8 354.4 320.7 -70 -65 276.2 285.2 295.5 288.6 306.0 308.7 290.8 350.9 326.8 345.8 353.9 321.4 -65 -60 303.7 292.2 296.9 297.0 313.7 318.3 302.5 350.6 337.4 347.1 352.6 326.1 -60 -55 331.8 297.4 291.9 304.8 321.2 323.4 313.5 336.9 330.5 336.7 351.6 332.4 -55 -50 340.5 297.1 286.3 306.5 322.9 322.9 322.0 321.9 322.3 327.1 346.7 332.7 -50 -45 327.0 292.8 284.2 298.5 314.4 315.9 325.4 316.8 327.1 325.4 334.0 323.2 -45 -40 307.3 289.9 284.6 285.3 297.5 302.6 321.1 317.4 336.7 326.1 315.0 309.0 -40 -35 295.7 290.5 283.8 275.3 280.1 285.7 307.9 311.8 333.5 320.4 296.1 297.9 -35 -30 290.6 290.6 280.1 272.0 268.6 270.3 289.8 296.3 313.9 307.5 284.0 291.7 -30 -25 282.7 285.1 273.8 271.2 263.4 260.3 273.6 279.1 291.4 294.4 280.0 286.4 -25 -20 269.5 273.8 266.1 267.0 260.7 255.7 263.4 268.6 277.3 285.3 278.3 278.3 -20 -15 257.4 261.3 258.4 258.6 257.2 254.0 258.4 264.0 269.7 276.9 272.4 267.8 -15 -10 251.6 253.0 252.7 251.0 253.1 253.3 255.8 260.5 262.7 266.8 261.9 258.1 -10 -5 249.5 250.4 250.6 249.5 250.7 254.2 254.7 257.9 257.5 258.6 252.6 250.9 -5 0 244.8 249.1 251.0 253.1 252.1 257.2 256.5 260.1 258.8 256.7 247.9 244.4 0 5 237.0 245.3 250.3 257.1 256.6 261.2 262.3 268.2 266.5 258.9 245.9 237.9 5 10 231.9 240.2 247.5 259.2 261.9 264.9 270.3 277.5 274.0 260.5 244.7 234.3 10 15 234.0 237.6 246.0 261.4 266.5 268.2 276.4 281.9 276.3 260.4 245.6 236.9 15 20 241.6 239.7 250.4 267.7 272.4 273.6 278.2 280.1 274.9 261.7 250.4 245.8 20 25 252.3 247.7 263.4 280.8 283.4 283.4 278.5 277.5 274.6 266.9 256.9 257.5 25 30 269.2 264.9 285.3 300.6 302.0 297.9 283.2 280.3 278.1 274.8 263.0 270.2 30 35 297.4 295.0 315.4 325.8 326.3 315.3 296.4 289.7 283.9 282.5 271.7 286.7 35 40 334.6 335.7 352.2 354.4 350.7 333.7 315.6 301.7 290.1 289.8 288.6 310.6 40 45 368.5 376.8 391.2 383.1 371.2 351.4 333.7 312.8 297.4 299.6 312.9 337.9 45 50 389.0 406.5 423.5 406.0 388.2 365.6 345.3 322.3 307.2 313.4 333.7 358.1 50 55 400.2 422.2 441.1 418.4 403.7 372.2 348.6 329.0 316.8 326.5 338.6 365.3 55 60 412.6 429.1 445.6 423.2 415.9 369.2 344.3 329.1 318.5 328.6 328.9 367.1 60 65 426.7 433.1 448.5 430.8 419.6 360.2 335.9 320.2 308.7 315.2 320.8 377.0 65 70 434.1 436.8 460.3 449.2 412.8 351.9 327.8 306.4 292.9 294.2 327.3 397.8 70 75 432.6 442.6 478.3 473.5 399.6 349.0 322.9 294.0 277.9 278.0 344.6 417.1 75 80 431.8 452.7 491.3 489.6 388.9 351.1 320.1 286.0 264.3 272.5 358.4 421.2 80 85 439.4 464.8 492.6 490.4 385.7 354.0 317.5 281.3 250.4 274.1 359.2 409.9 85 90 449.2 473.4 488.1 484.6 386.8 355.6 315.1 278.6 240.2 276.4 353.6 397.4 1967 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 270.2 260.2 253.6 263.0 272.9 264.1 265.5 267.9 292.6 328.9 356.8 302.3 -85 -80 273.7 268.5 253.7 265.0 277.8 266.0 269.2 269.2 284.8 322.6 353.3 311.0 -80 -75 280.3 278.1 259.4 269.6 285.2 270.9 276.0 272.2 279.3 326.6 355.3 322.2 -75 -70 290.8 285.2 274.0 277.0 292.8 279.4 285.4 279.5 288.7 354.0 369.5 330.4 -70 -65 306.2 292.4 292.8 286.6 300.4 290.1 296.8 294.0 315.7 394.4 390.6 335.5 -65 -60 322.8 302.6 305.8 295.1 308.3 299.8 309.2 314.1 348.4 418.1 403.1 340.6 -60 -55 332.2 311.3 307.5 298.1 314.9 305.4 321.0 333.7 370.7 408.5 396.3 346.5 -55 -50 328.3 310.3 301.1 293.6 315.6 306.2 330.8 347.1 376.7 380.2 374.8 347.3 -50 -45 313.1 298.7 293.1 283.8 307.0 304.1 337.0 351.9 371.0 356.2 349.6 337.5 -45 -40 295.6 283.3 285.6 274.2 291.4 301.2 336.8 346.8 358.6 340.8 326.4 318.3 -40 -35 282.5 271.6 277.5 268.4 275.5 297.6 327.0 331.9 340.2 326.0 306.0 297.7 -35 -30 274.7 265.1 269.4 266.1 265.0 291.4 309.7 310.4 318.5 310.2 291.2 284.1 -30 -25 269.6 262.6 263.2 265.0 260.8 281.5 290.7 289.6 300.0 299.7 285.1 279.4 -25 -20 264.9 262.0 259.3 263.1 260.3 270.0 275.3 274.6 287.7 294.8 284.4 278.4 -20 -15 259.9 261.9 256.8 260.7 259.1 260.7 265.4 266.0 278.8 286.7 280.4 274.3 -15 -10 253.7 261.2 255.9 258.7 255.3 256.2 260.7 261.6 271.1 270.6 269.0 264.2 -10 -5 246.4 258.1 257.4 256.8 250.2 257.4 260.4 260.8 266.9 254.3 256.2 251.3 -5 0 239.3 252.4 259.3 255.0 248.1 262.6 264.4 264.5 268.0 248.1 249.7 241.6 0 5 235.0 247.5 258.0 255.7 252.7 269.7 270.9 271.7 271.5 252.1 250.6 239.0 5 10 236.2 248.2 254.2 261.6 263.5 276.4 276.6 278.7 273.4 258.3 254.1 242.9 10 15 242.5 254.6 254.6 272.4 276.0 280.8 278.8 281.9 273.0 261.6 257.4 249.5 15 20 250.5 262.0 265.3 284.2 286.4 283.1 277.5 280.5 272.1 263.5 262.0 256.0 20 25 258.1 267.5 284.0 293.4 295.1 285.4 276.5 277.9 272.4 267.3 268.7 262.4 25 30 267.9 276.6 303.0 301.3 305.8 291.5 280.6 279.0 274.3 271.2 274.8 271.2 30 35 287.0 297.7 317.2 312.5 320.5 304.3 291.3 286.0 277.9 272.3 278.5 285.3 35 40 319.7 331.9 332.5 330.2 337.0 322.4 304.8 296.1 283.4 272.4 282.2 304.6 40 45 360.0 369.3 359.9 353.8 351.8 340.2 316.2 304.8 291.0 277.4 291.3 324.5 45 50 393.0 399.5 398.5 378.7 364.1 351.8 323.5 310.1 299.1 289.7 307.3 339.4 50 55 407.2 417.7 430.1 399.0 375.7 355.2 326.6 311.8 303.5 302.5 322.5 346.3 55 60 403.7 420.8 437.5 410.3 386.1 352.9 325.2 309.6 300.2 305.6 325.6 347.6 60 65 392.4 404.9 424.5 412.3 391.4 349.0 319.2 302.8 291.1 298.3 314.0 347.6 65 70 383.1 374.0 410.2 409.6 389.0 345.4 310.9 293.2 283.7 290.1 299.9 350.3 70 75 381.0 348.5 406.6 408.3 382.6 342.3 304.5 284.5 282.1 287.9 300.3 358.4 75 80 386.4 351.0 409.3 411.4 379.6 338.5 301.8 278.3 282.3 287.8 320.8 373.4 80 85 396.0 381.0 409.1 416.9 383.0 333.9 300.7 273.7 278.5 284.4 351.7 392.4 85 90 403.5 410.5 405.6 421.1 387.9 330.6 300.2 270.9 273.2 279.5 374.4 406.1 1968 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 304.6 285.4 272.2 281.4 281.5 261.7 258.7 262.3 306.7 339.2 407.4 345.0 -85 -80 308.5 288.0 277.1 279.8 282.0 266.5 263.1 263.5 300.6 334.1 408.9 350.1 -80 -75 314.2 293.4 284.9 281.5 285.7 274.8 270.7 266.6 296.6 334.7 412.6 357.6 -75 -70 320.9 301.9 293.6 290.1 294.2 284.2 280.0 274.2 306.0 350.9 418.0 363.5 -70 -65 329.6 312.0 301.6 302.6 304.7 292.6 290.5 288.6 333.3 379.7 421.0 363.8 -65 -60 338.7 319.9 307.2 311.4 313.2 300.2 302.2 308.5 368.3 403.7 414.8 359.0 -60 -55 340.9 321.4 307.9 311.4 318.0 308.5 314.3 329.5 392.7 408.9 398.0 352.5 -55 -50 330.4 315.7 302.4 304.3 320.3 315.8 325.3 346.6 396.0 396.9 375.7 345.1 -50 -45 310.2 304.6 291.4 294.9 319.4 317.0 332.2 354.8 382.4 377.6 351.8 333.5 -45 -40 290.1 290.6 278.0 286.5 313.0 308.9 331.4 349.4 361.6 357.0 327.1 316.0 -40 -35 277.6 277.2 266.8 279.8 300.4 294.6 321.6 330.3 340.5 335.4 303.5 297.1 -35 -30 272.7 268.0 261.5 274.5 285.2 282.2 306.2 305.1 322.1 314.9 287.2 284.4 -30 -25 270.1 264.2 261.5 269.8 271.8 275.6 290.1 283.9 307.4 299.6 281.9 280.6 -25 -20 265.2 262.1 262.7 264.6 262.4 271.8 275.8 270.6 294.6 289.2 281.3 280.3 -20 -15 257.5 257.1 260.9 259.3 256.7 266.1 263.4 262.7 280.9 279.2 275.8 275.7 -15 -10 249.3 250.2 256.8 255.5 254.4 258.5 254.1 257.0 267.7 268.7 264.3 265.8 -10 -5 242.1 245.8 253.4 255.4 256.5 254.4 251.4 255.4 261.4 263.0 255.6 256.2 -5 0 235.9 245.3 252.3 258.7 263.4 257.8 256.8 260.8 264.9 264.8 256.0 251.8 0 5 231.5 245.0 252.2 263.0 272.3 266.8 267.5 270.9 273.6 268.8 259.6 251.0 5 10 232.0 243.2 253.0 266.7 279.2 276.1 277.7 279.5 280.0 268.6 257.5 248.5 10 15 240.2 244.3 257.6 271.7 283.1 282.4 283.4 282.5 281.1 264.9 249.7 243.1 15 20 254.9 254.1 269.2 282.6 288.1 287.3 285.5 281.5 278.9 263.5 245.3 239.3 20 25 272.2 274.1 289.3 300.7 299.0 294.4 288.2 281.6 277.5 267.2 250.6 241.7 25 30 289.0 301.5 315.8 322.2 315.4 304.1 294.5 286.5 280.0 273.0 262.8 252.6 30 35 306.9 332.7 344.6 340.3 332.4 315.0 303.8 295.6 286.8 277.6 274.6 272.8 35 40 329.6 364.9 370.6 352.1 346.4 326.7 313.6 305.7 295.3 282.1 283.4 302.7 40 45 358.8 393.7 391.0 362.5 358.3 340.2 323.5 315.1 302.5 290.8 293.4 338.1 45 50 390.7 412.3 406.4 378.4 370.2 354.0 333.5 322.9 307.2 303.5 308.4 367.5 50 55 418.5 416.0 417.8 398.6 383.1 363.4 341.9 328.2 309.1 314.0 324.7 381.3 55 60 439.0 409.0 425.6 415.3 396.1 365.5 344.7 328.9 307.7 314.5 333.2 383.1 60 65 453.1 404.6 430.0 424.2 409.3 363.6 339.9 325.1 303.9 306.0 331.6 387.1 65 70 461.8 413.0 432.7 428.6 422.8 364.0 332.3 319.6 300.8 298.0 328.1 399.6 70 75 466.1 429.1 435.1 433.6 433.2 368.5 327.4 313.9 299.2 296.4 332.1 410.0 75 80 467.7 436.4 437.1 439.2 435.8 371.6 326.0 305.6 295.1 297.9 345.1 402.4 80 85 468.5 427.4 437.8 442.3 430.6 369.5 325.3 293.9 286.3 296.7 360.2 376.4 85 90 469.2 414.5 437.3 442.4 424.4 365.6 324.3 284.7 277.8 293.5 369.8 352.5 1969 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 300.2 279.2 274.4 276.2 279.8 271.8 272.6 295.6 310.0 283.5 311.2 322.3 -85 -80 304.7 290.4 277.6 272.3 279.2 273.6 269.2 295.2 312.3 278.2 314.4 323.1 -80 -75 311.6 303.6 284.1 271.8 282.2 278.9 269.4 296.1 314.6 277.8 318.8 326.6 -75 -70 319.1 309.8 293.6 281.7 291.9 289.7 280.5 302.8 320.4 292.5 324.2 333.4 -70 -65 327.9 308.0 304.7 300.4 306.8 305.4 301.4 318.4 333.4 320.2 331.4 340.8 -65 -60 336.8 303.2 313.7 317.7 321.8 321.6 322.0 338.0 349.8 346.0 338.5 344.6 -60 -55 340.8 299.5 315.6 323.0 330.8 333.4 332.2 350.2 361.8 356.8 341.3 343.0 -55 -50 334.2 296.5 308.9 314.7 329.8 336.7 330.9 348.8 363.7 352.9 337.5 336.3 -50 -45 316.8 290.8 295.9 298.9 317.9 330.2 324.6 337.2 355.6 342.6 328.7 325.1 -45 -40 295.6 281.2 281.1 283.8 298.4 316.1 317.4 322.5 341.4 331.2 318.3 309.5 -40 -35 278.8 270.6 268.9 273.5 278.3 298.1 307.0 308.2 324.4 319.2 307.9 292.2 -35 -30 271.2 263.3 261.6 267.7 263.7 280.4 290.6 294.1 307.2 308.4 297.7 278.2 -30 -25 271.0 261.4 258.9 263.5 256.5 266.0 271.3 279.7 292.6 301.6 290.0 271.2 -25 -20 272.3 262.4 257.6 258.5 253.6 256.1 256.1 267.6 282.0 297.1 285.1 269.5 -20 -15 269.7 261.8 255.9 253.5 251.2 250.6 249.1 260.4 274.2 289.5 280.3 267.6 -15 -10 263.2 258.8 255.1 251.8 250.1 249.1 249.4 259.0 268.9 278.2 273.1 262.6 -10 -5 257.0 255.7 257.6 255.8 254.2 251.7 255.1 263.5 268.1 270.1 265.1 256.2 -5 0 254.3 254.5 263.0 263.5 264.6 258.4 264.4 272.2 273.3 270.7 260.5 252.4 0 5 253.7 255.0 267.1 269.9 276.7 268.3 275.4 281.5 282.1 276.3 261.0 252.2 5 10 251.4 255.7 267.0 271.6 284.3 278.3 285.0 287.7 289.0 279.4 263.7 253.6 10 15 246.8 255.4 263.7 270.3 285.8 284.7 289.2 289.0 289.6 277.5 264.3 254.7 15 20 243.4 253.6 262.2 271.9 286.8 287.0 287.8 286.3 284.1 274.7 261.8 255.8 20 25 246.3 252.6 268.3 281.8 293.7 289.3 285.2 283.1 278.0 274.7 260.2 259.0 25 30 258.7 259.9 286.2 300.5 306.7 297.0 287.9 284.1 278.8 277.3 265.6 267.2 30 35 280.1 285.0 315.8 323.9 322.1 311.8 297.8 291.3 287.5 281.1 279.9 283.5 35 40 307.9 330.0 351.8 348.0 338.0 330.4 310.5 302.7 296.7 285.6 297.1 309.1 40 45 338.2 382.0 386.0 371.6 356.9 347.2 321.5 313.5 299.5 292.2 309.1 339.6 45 50 367.7 420.4 411.2 395.1 379.4 359.5 330.5 320.5 299.1 301.1 314.8 363.0 50 55 392.5 433.9 425.6 416.0 399.6 368.6 340.2 323.5 304.7 308.4 320.7 368.4 55 60 407.7 430.5 431.7 431.1 410.7 375.7 349.2 322.7 316.8 309.6 328.1 357.0 60 65 410.6 426.7 434.5 440.6 412.3 379.4 351.8 317.8 323.8 305.3 327.5 342.7 65 70 402.6 430.3 438.6 448.3 410.6 378.1 345.7 310.2 315.8 301.7 312.4 339.6 70 75 390.9 435.8 445.8 455.5 410.8 373.8 334.7 301.2 295.2 301.9 290.2 352.4 75 80 384.9 432.1 454.7 458.7 412.3 370.0 324.0 291.1 271.6 302.5 276.2 374.1 80 85 387.0 417.4 462.1 455.3 412.1 368.7 316.2 280.9 253.0 299.5 277.0 394.9 85 90 391.8 403.5 466.1 450.1 411.0 369.1 312.2 273.9 243.1 295.2 283.9 407.0 1970 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 288.6 292.6 275.8 274.9 283.2 266.0 291.8 307.6 284.9 286.2 359.5 341.5 -85 -80 297.5 296.2 284.4 274.2 282.8 270.3 296.7 304.4 278.7 283.1 364.7 342.8 -80 -75 308.0 302.5 295.5 276.6 285.5 277.7 304.6 303.0 274.5 284.7 370.7 346.3 -75 -70 313.5 310.7 302.8 285.4 293.4 286.5 314.4 310.2 284.9 300.9 374.1 351.8 -70 -65 314.0 319.2 305.8 298.1 304.9 295.5 326.8 327.4 317.5 333.1 373.3 356.2 -65 -60 313.8 324.5 306.4 307.6 314.4 304.1 341.0 346.4 363.4 369.4 366.5 355.0 -60 -55 314.9 322.9 305.1 308.2 317.7 312.0 353.1 357.7 400.3 392.0 353.7 346.9 -55 -50 314.6 314.5 300.3 300.7 314.7 317.7 357.9 359.3 411.5 391.4 337.4 334.2 -50 -45 308.1 301.6 291.7 289.7 308.3 319.3 352.5 355.9 398.9 374.4 323.3 320.8 -45 -40 294.4 286.8 281.5 279.1 300.9 314.6 337.5 348.9 375.7 352.8 314.9 309.0 -40 -35 278.1 272.7 272.2 270.3 291.7 303.7 317.3 334.8 351.4 333.2 310.3 299.4 -35 -30 265.8 262.7 265.2 263.0 280.7 288.9 297.8 313.5 329.7 318.0 305.0 291.4 -30 -25 260.8 259.3 261.3 257.5 270.2 275.0 283.1 292.2 311.7 307.8 297.2 285.0 -25 -20 261.2 260.1 260.4 254.5 263.2 265.8 273.8 278.1 296.7 299.7 288.0 279.9 -20 -15 261.3 259.8 261.2 254.5 260.2 261.3 267.0 271.1 282.6 289.3 278.2 275.2 -15 -10 257.9 256.5 261.1 256.4 258.8 259.0 260.8 266.6 269.6 276.3 268.6 270.3 -10 -5 252.7 252.4 258.8 258.4 257.6 256.9 257.0 262.7 261.5 265.7 261.3 265.5 -5 0 249.4 250.5 255.1 259.7 258.3 255.7 259.0 262.6 261.2 262.4 258.2 261.6 0 5 249.3 250.4 253.9 261.9 264.1 259.2 267.7 269.4 268.0 265.2 259.0 258.9 5 10 250.0 250.3 258.2 266.9 275.3 269.1 279.4 280.0 277.2 269.1 260.7 256.3 10 15 249.4 250.1 266.1 274.8 286.5 282.1 288.0 287.3 283.1 270.3 260.6 252.8 15 20 249.6 252.0 272.8 283.7 292.6 291.6 290.3 287.1 283.0 268.3 258.1 249.3 20 25 256.1 259.4 279.0 292.9 295.2 295.3 289.5 283.1 278.4 265.5 255.9 248.9 25 30 273.7 276.6 293.3 305.4 301.7 298.4 292.0 283.5 275.8 266.4 259.1 256.4 30 35 301.9 305.9 324.4 325.4 318.0 309.2 301.1 292.2 280.4 273.9 270.8 274.6 35 40 333.6 345.1 370.0 354.3 342.0 329.8 313.6 304.8 291.0 286.2 287.5 301.4 40 45 360.2 387.3 414.1 387.6 365.6 352.3 325.1 314.3 303.1 298.6 302.6 329.3 45 50 380.0 424.4 442.0 417.4 382.9 364.9 334.3 319.1 314.0 307.9 315.0 348.7 50 55 399.0 450.3 452.9 437.5 395.9 364.7 343.1 323.1 323.4 315.2 327.9 355.0 55 60 421.6 461.8 454.9 449.4 410.2 361.3 350.6 327.3 328.4 322.5 340.0 350.9 60 65 444.6 459.3 453.2 460.5 426.2 366.0 352.6 328.1 324.8 329.4 342.2 343.0 65 70 460.2 447.8 447.7 476.6 439.5 380.6 348.1 322.8 312.9 334.0 328.2 337.3 70 75 465.8 434.7 441.1 494.6 445.8 395.9 340.8 313.4 299.2 334.5 305.4 337.7 75 80 466.7 425.8 439.4 504.9 445.9 400.9 334.5 304.1 288.8 330.3 288.4 345.5 80 85 469.2 421.9 445.3 503.9 444.4 394.4 330.4 296.8 282.0 322.2 284.6 357.9 85 90 472.5 420.8 452.7 498.4 443.8 385.9 328.2 292.9 278.3 315.3 287.9 367.8 1971 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 298.0 283.7 274.3 294.8 274.2 269.5 259.0 271.6 290.7 302.6 362.9 303.4 -85 -80 302.3 292.2 281.8 303.6 280.0 275.1 267.3 273.0 288.7 302.6 370.3 306.4 -80 -75 308.7 302.4 291.9 314.6 288.3 284.2 278.2 275.4 287.6 307.3 378.5 311.1 -75 -70 314.8 307.5 300.0 320.4 296.0 293.5 287.2 281.9 295.3 322.1 382.0 317.6 -70 -65 319.0 305.9 306.3 318.7 303.0 301.7 295.7 297.6 316.4 345.0 380.0 327.9 -65 -60 319.3 299.8 312.2 312.9 310.9 309.7 307.0 320.4 344.8 365.8 373.5 340.1 -60 -55 314.2 292.1 315.3 307.4 318.2 319.0 320.3 339.5 367.3 376.0 363.3 346.8 -55 -50 305.0 286.0 311.1 302.6 320.1 326.9 328.9 344.9 374.3 374.6 349.8 340.8 -50 -45 295.0 282.7 298.5 294.8 313.1 327.8 327.2 338.2 366.0 364.8 334.0 323.6 -45 -40 287.2 281.2 282.0 283.3 299.4 317.8 315.8 327.6 348.8 349.0 318.9 303.9 -40 -35 281.5 278.4 268.4 271.3 285.3 299.4 299.9 316.3 327.7 328.5 306.3 289.2 -35 -30 276.7 272.5 261.2 262.8 275.0 279.3 285.0 301.7 306.1 307.6 295.9 280.5 -30 -25 272.7 265.6 259.1 258.7 268.4 263.7 272.8 283.5 287.9 291.3 286.8 274.8 -25 -20 270.0 260.9 258.6 257.3 263.3 254.4 263.5 267.0 274.6 280.1 277.8 270.4 -20 -15 268.2 260.2 258.7 256.7 259.0 251.0 258.2 259.0 266.1 271.1 268.7 267.6 -15 -10 266.1 262.4 260.6 257.5 257.4 252.6 258.0 260.8 262.7 264.0 261.2 264.9 -10 -5 263.5 264.4 264.4 261.6 260.8 259.6 262.9 268.6 265.6 263.1 258.4 260.8 -5 0 260.9 263.4 267.2 268.6 268.9 270.6 271.2 277.8 273.3 269.2 260.5 256.4 0 5 258.4 259.4 265.6 275.8 278.2 282.2 279.5 285.1 281.0 275.8 264.3 255.4 5 10 255.1 255.3 260.9 280.3 284.3 290.0 284.5 289.9 284.6 276.5 266.4 259.6 10 15 250.5 253.3 257.7 280.3 285.8 291.6 285.7 291.3 284.1 272.3 266.3 264.9 15 20 246.2 253.1 259.1 278.1 285.8 288.9 284.4 288.1 281.4 268.8 265.4 265.5 20 25 247.2 255.6 266.1 280.2 290.2 286.8 283.3 282.8 278.6 268.8 264.3 261.1 25 30 258.7 266.8 280.8 292.7 303.1 290.6 286.2 281.9 278.9 270.7 264.7 259.5 30 35 283.3 292.8 307.4 317.0 323.2 303.1 294.4 289.3 284.9 273.0 270.2 269.6 35 40 317.7 331.8 347.1 347.2 345.3 323.6 306.6 300.9 295.9 277.1 282.9 292.0 40 45 353.7 371.9 390.9 374.6 364.1 347.5 319.3 308.7 307.6 285.2 299.9 318.3 45 50 384.1 400.4 423.5 394.2 377.4 367.3 330.0 310.4 316.1 296.1 315.4 338.4 50 55 407.1 415.7 435.1 407.9 387.3 376.6 338.2 311.8 319.6 305.3 324.5 348.6 55 60 424.1 425.2 431.8 420.3 396.5 375.0 342.6 317.0 319.0 309.7 326.8 348.8 60 65 435.1 434.8 430.6 434.7 405.2 368.6 342.2 321.7 316.5 313.1 325.1 336.4 65 70 440.4 443.9 442.4 450.2 411.2 364.2 338.0 319.8 314.7 320.7 322.8 311.7 70 75 444.7 449.1 462.6 462.3 412.8 362.9 331.6 311.2 312.3 331.8 322.7 286.0 75 80 455.0 449.5 478.2 466.0 410.9 361.1 323.8 300.8 304.6 339.0 325.1 276.6 80 85 471.8 447.1 481.7 461.9 407.6 356.4 315.4 293.0 290.3 337.2 328.0 287.9 85 90 485.7 444.7 478.7 456.5 405.3 351.7 309.5 289.4 277.9 331.7 329.8 303.8 1972 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 281.9 271.1 265.8 278.6 269.8 257.9 275.2 309.6 320.9 316.3 392.8 342.1 -85 -80 290.4 274.4 273.5 276.5 277.1 268.0 281.9 310.4 299.7 312.7 384.5 345.2 -80 -75 299.1 280.0 283.8 277.2 286.5 280.5 291.5 313.2 282.7 314.0 379.5 350.1 -75 -70 303.8 287.4 291.5 285.3 293.5 288.6 301.0 321.7 294.4 329.5 387.8 355.2 -70 -65 310.0 296.4 295.9 299.8 299.3 293.2 311.1 338.4 335.8 357.9 404.8 360.1 -65 -60 323.1 304.8 298.9 313.4 307.2 301.1 323.6 358.3 381.4 385.8 413.0 363.7 -60 -55 336.4 308.2 300.2 317.5 316.5 315.2 337.5 372.1 403.4 398.8 399.7 363.3 -55 -50 336.1 304.8 297.5 309.3 320.1 328.7 348.0 374.2 398.0 394.2 371.5 355.0 -50 -45 317.8 297.1 289.4 293.2 312.1 330.7 350.0 366.6 379.9 379.2 345.4 337.3 -45 -40 292.8 287.9 277.9 277.0 295.1 317.6 341.8 354.0 358.3 360.1 329.6 314.8 -40 -35 275.1 277.9 267.0 265.6 278.5 296.6 325.5 338.1 333.3 338.8 319.7 295.6 -35 -30 268.5 268.0 259.7 259.6 268.4 278.3 306.4 318.9 308.9 317.5 308.6 284.8 -30 -25 268.0 260.9 257.0 256.9 264.4 266.8 288.8 298.5 293.5 300.5 295.6 281.2 -25 -20 267.6 258.2 257.4 255.9 263.1 260.6 274.6 280.5 286.8 288.5 283.6 278.7 -20 -15 265.4 258.9 259.1 256.0 262.1 257.1 263.9 267.1 279.6 277.6 273.5 272.2 -15 -10 262.6 260.8 261.2 257.5 261.6 255.6 257.1 259.3 267.5 266.5 264.7 262.2 -10 -5 259.9 261.7 263.8 260.9 262.9 257.4 255.7 258.2 257.1 258.9 258.0 253.1 -5 0 257.1 260.8 265.7 265.1 266.6 262.6 260.7 263.2 257.2 257.7 254.5 248.1 0 5 255.3 259.7 265.5 270.0 272.2 269.6 269.5 270.5 266.2 260.7 253.5 246.1 5 10 256.2 260.4 263.6 275.3 278.9 275.8 278.0 275.5 274.5 263.4 253.2 243.7 10 15 259.1 263.4 261.9 280.9 285.8 280.1 282.5 277.0 277.0 265.2 253.3 240.7 15 20 260.6 266.8 263.4 286.7 292.5 283.4 283.0 276.6 277.0 267.5 255.0 239.4 20 25 260.2 270.7 271.6 294.2 299.7 287.9 282.8 277.2 279.2 271.2 258.9 243.4 25 30 263.9 280.5 289.8 306.0 309.5 296.7 286.5 281.0 283.6 275.6 265.8 254.6 30 35 279.6 303.2 318.3 323.6 323.9 311.4 296.3 288.4 287.8 280.8 277.4 273.4 35 40 309.0 337.8 350.8 345.2 342.9 330.1 310.1 297.0 292.6 288.4 294.2 298.5 40 45 343.7 372.5 379.2 367.7 363.3 347.9 324.1 304.8 302.4 299.0 313.5 326.0 45 50 372.6 396.0 402.0 388.6 380.0 360.3 335.7 311.5 317.2 311.1 329.6 348.3 50 55 390.8 409.6 423.2 406.1 390.2 365.3 342.9 316.6 327.2 320.8 337.0 357.6 55 60 398.3 424.2 444.6 419.9 395.1 366.1 344.7 318.9 322.1 325.0 333.3 352.0 60 65 395.0 448.2 461.2 430.8 398.4 367.2 341.2 317.5 305.2 324.5 321.7 336.8 65 70 380.2 479.7 466.5 440.1 402.0 370.3 335.5 313.9 291.8 323.1 309.6 322.2 70 75 361.3 508.2 462.1 447.4 405.0 374.3 330.5 310.5 291.1 322.3 304.7 317.1 75 80 351.6 524.1 456.4 450.9 405.9 376.4 326.0 306.6 295.5 319.0 309.3 324.4 80 85 356.0 526.9 456.0 450.4 405.0 375.1 320.8 300.8 294.6 311.3 319.1 339.1 85 90 364.9 524.5 458.5 448.4 403.9 373.2 316.7 295.7 289.7 303.9 326.5 350.9 1973 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 300.6 280.7 272.0 263.7 285.7 275.0 254.5 269.6 285.6 297.0 354.7 330.8 -85 -80 298.9 284.4 279.3 265.8 289.3 272.6 256.1 267.9 279.2 293.9 348.8 327.6 -80 -75 301.0 291.5 292.7 273.2 295.9 274.2 260.9 268.9 275.3 298.0 344.5 328.0 -75 -70 312.6 301.8 308.8 287.7 303.8 284.1 270.0 279.6 287.2 319.2 349.5 336.4 -70 -65 332.0 312.8 321.4 305.9 312.4 297.8 282.5 302.8 320.2 352.3 362.8 348.2 -65 -60 349.6 320.2 325.9 320.1 321.3 307.4 294.6 331.2 361.3 378.9 372.8 353.8 -60 -55 354.0 320.7 322.5 324.6 328.6 310.8 303.2 350.4 386.9 385.7 369.2 347.4 -55 -50 341.9 315.2 314.4 318.1 330.4 313.4 308.5 353.2 385.1 377.0 352.7 332.6 -50 -45 319.8 305.3 302.9 303.5 322.2 318.5 311.7 345.1 365.7 364.4 332.6 315.8 -45 -40 296.7 291.0 286.8 284.9 304.0 320.1 312.0 335.4 345.5 350.2 316.3 299.4 -40 -35 278.5 273.4 267.7 267.3 281.6 309.9 306.4 325.3 330.0 330.7 303.1 283.8 -35 -30 267.9 258.1 253.5 255.7 262.9 288.6 294.4 310.8 314.9 308.4 291.5 270.7 -30 -25 263.9 251.0 250.7 251.9 252.8 266.5 280.2 292.1 297.4 291.7 281.9 263.0 -25 -20 263.6 252.1 256.4 252.4 250.6 253.1 268.1 275.1 280.4 283.8 274.7 261.0 -20 -15 262.0 254.5 261.0 252.6 251.9 249.8 260.5 264.7 267.6 278.6 268.0 260.6 -15 -10 257.2 252.6 259.3 251.0 253.4 252.5 257.4 261.3 260.7 270.3 260.3 257.0 -10 -5 252.0 247.7 254.7 250.8 254.8 257.1 258.7 262.4 259.1 261.4 253.1 250.0 -5 0 249.9 244.4 253.2 255.0 258.4 262.2 262.9 265.7 260.9 257.2 249.5 244.2 0 5 250.1 244.9 255.7 262.7 264.9 267.8 267.7 270.1 263.9 258.1 250.2 243.4 5 10 248.6 246.8 258.9 269.3 272.4 273.1 271.4 274.4 267.0 261.0 254.2 247.5 10 15 244.2 247.1 260.0 271.3 278.3 277.1 274.0 277.3 270.1 263.7 260.2 253.6 15 20 240.5 246.0 261.0 270.5 282.7 280.8 277.4 277.3 271.6 266.7 266.7 259.9 20 25 244.2 248.7 267.3 273.7 289.1 286.9 282.2 276.6 271.0 270.7 271.3 267.0 25 30 259.7 263.2 282.9 287.1 301.0 297.0 289.1 279.7 271.9 274.6 274.1 277.0 30 35 286.2 293.5 308.3 311.6 319.1 310.2 298.0 288.8 278.5 278.4 278.9 290.7 35 40 317.3 333.6 340.2 342.3 340.0 324.8 309.1 300.5 289.3 284.1 289.9 306.9 40 45 344.2 370.3 371.9 372.6 359.1 340.0 322.2 309.2 299.1 293.7 306.6 323.5 45 50 361.6 395.3 396.8 398.0 373.6 355.3 335.2 314.2 305.8 306.1 323.0 338.5 50 55 369.3 412.9 411.4 415.6 383.6 368.4 343.8 319.2 311.5 316.5 330.9 350.3 55 60 369.5 432.6 419.7 425.5 391.4 375.7 344.7 324.7 317.1 320.3 326.8 357.1 60 65 364.6 458.1 432.0 432.1 399.0 375.3 339.9 326.2 320.1 318.9 314.3 357.5 65 70 357.6 484.9 454.9 440.1 406.0 369.9 335.5 320.6 318.3 318.0 302.7 353.7 70 75 353.3 504.0 481.4 449.6 410.6 364.4 334.0 311.1 313.3 320.3 298.8 351.7 75 80 355.5 509.7 497.3 455.4 411.7 361.1 331.9 303.3 306.6 321.6 303.7 357.1 80 85 363.2 504.6 496.5 454.2 409.7 359.4 325.8 299.1 298.7 317.7 312.4 369.8 85 90 370.4 498.1 488.8 450.3 407.7 358.6 319.5 297.8 292.8 312.3 318.5 380.8 1974 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 286.5 270.9 251.4 228.8 254.2 258.0 244.3 248.6 281.4 316.0 362.4 336.8 -85 -80 292.8 274.6 253.3 233.7 260.7 258.2 253.1 251.2 262.8 306.3 364.9 343.8 -80 -75 301.0 281.8 261.5 244.8 269.3 261.5 264.5 253.5 251.4 303.9 367.7 351.7 -75 -70 308.3 291.8 277.3 262.0 276.1 270.0 273.1 258.0 270.5 323.9 370.6 355.8 -70 -65 315.6 300.9 294.4 281.3 281.3 281.5 279.6 273.8 317.4 361.5 373.7 356.8 -65 -60 322.7 303.3 303.0 296.4 288.4 290.9 289.6 306.3 361.3 392.0 374.5 357.6 -60 -55 325.3 296.8 299.2 301.3 298.7 296.0 307.2 347.4 373.2 395.6 368.8 355.8 -55 -50 318.0 286.9 289.1 296.1 308.1 299.3 328.5 378.4 358.8 378.6 355.8 345.5 -50 -45 301.1 280.7 279.8 285.9 310.0 303.7 343.2 385.9 345.8 361.0 340.2 325.5 -45 -40 281.8 277.5 272.5 275.7 302.4 308.3 343.1 371.1 345.2 350.8 327.3 304.0 -40 -35 266.9 271.8 264.7 268.4 289.5 308.1 328.1 345.5 344.1 341.5 317.5 290.5 -35 -30 258.2 261.1 257.3 263.6 277.8 300.5 306.9 320.0 331.0 327.6 308.5 286.5 -30 -25 253.9 250.4 253.4 260.5 270.7 288.0 289.0 300.1 310.8 312.4 299.7 285.6 -25 -20 251.2 246.2 253.6 259.1 267.5 275.1 277.2 285.2 293.9 299.6 291.5 281.2 -20 -15 248.9 248.7 254.5 258.1 265.0 264.7 268.5 272.8 281.3 287.0 283.1 272.5 -15 -10 246.8 251.8 253.6 255.9 260.7 257.2 259.6 262.1 268.7 272.1 272.6 263.1 -10 -5 245.0 250.1 252.4 252.0 254.8 252.5 251.7 254.9 256.5 257.8 260.4 256.2 -5 0 243.3 244.2 253.0 248.9 250.8 251.1 248.1 253.3 249.7 249.3 249.1 251.3 0 5 242.2 240.1 255.5 250.8 253.3 254.3 251.1 256.6 250.5 247.6 242.3 246.7 5 10 242.8 243.6 258.5 259.0 263.4 262.5 259.6 262.0 256.1 249.7 242.0 241.6 10 15 246.3 255.2 262.4 270.0 277.3 273.3 269.2 266.8 261.9 253.0 246.4 237.4 15 20 252.5 269.4 269.2 279.2 289.7 283.3 276.4 270.4 266.5 257.0 251.2 236.5 20 25 261.6 281.5 279.9 286.2 298.3 291.2 281.3 275.2 271.1 261.3 253.7 241.3 25 30 275.5 293.7 295.2 296.7 305.7 299.2 287.3 283.7 277.5 265.6 256.7 253.8 30 35 295.9 312.7 315.0 316.4 316.2 310.5 297.0 295.0 285.5 271.5 265.5 273.9 35 40 321.4 340.0 338.9 344.2 332.4 325.8 309.7 305.1 293.1 280.9 281.5 298.5 40 45 345.9 370.1 364.7 372.4 353.0 342.1 322.5 311.2 300.3 294.3 300.7 322.2 45 50 364.6 395.3 386.8 394.1 374.0 355.3 332.8 315.5 308.9 309.2 318.5 340.6 50 55 377.7 411.0 399.4 408.5 392.0 362.9 339.0 321.6 317.9 320.1 333.9 354.2 55 60 388.6 415.9 402.5 419.1 404.8 366.3 340.2 327.8 321.7 323.8 345.4 364.7 60 65 398.3 410.1 406.2 428.3 412.3 368.2 337.6 327.3 316.9 322.8 348.4 371.2 65 70 404.3 397.5 420.4 437.9 416.2 371.0 334.2 319.5 308.1 323.0 340.6 372.2 70 75 405.5 387.3 444.0 448.5 419.6 374.7 332.1 312.5 302.0 326.4 327.7 370.4 75 80 404.9 388.7 466.2 459.1 426.0 377.8 329.8 313.5 299.2 328.5 319.4 372.5 80 85 406.0 400.7 476.9 468.1 435.1 378.7 325.8 321.4 295.7 325.5 319.9 381.3 85 90 408.0 412.0 478.5 473.2 442.0 378.1 321.8 328.5 291.9 320.5 323.8 390.1 1975 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 298.3 265.2 267.2 273.8 271.0 256.7 264.4 263.8 277.2 322.0 329.7 319.4 -85 -80 303.7 268.8 266.9 273.8 281.1 267.4 271.0 266.5 269.9 309.2 333.6 326.8 -80 -75 310.2 274.2 272.4 276.9 293.2 280.8 280.1 269.9 265.1 305.2 340.2 335.9 -75 -70 315.3 281.7 287.3 285.4 300.5 289.2 289.0 276.3 276.4 329.3 349.2 341.5 -70 -65 321.8 293.8 306.2 296.6 304.4 293.5 298.7 291.5 309.6 374.1 359.7 344.8 -65 -60 331.2 308.7 317.0 304.9 311.7 300.6 311.4 317.3 352.2 406.8 366.4 348.5 -60 -55 337.9 318.1 312.8 305.6 323.0 313.9 324.9 346.4 381.0 403.0 362.4 349.6 -55 -50 334.3 314.8 298.4 299.2 328.4 326.1 333.2 364.8 382.3 373.7 347.0 341.2 -50 -45 320.3 300.5 284.3 288.8 317.2 325.7 331.7 364.2 363.6 348.1 327.7 321.6 -45 -40 303.9 284.1 275.7 278.1 292.4 310.5 320.8 346.8 340.4 337.2 312.8 298.2 -40 -35 291.6 273.2 270.8 269.8 268.9 289.7 305.0 321.7 321.9 330.6 303.9 281.9 -35 -30 283.7 269.5 267.5 264.4 258.1 273.6 288.9 297.9 307.8 317.4 297.4 276.5 -30 -25 277.1 269.0 265.4 261.0 258.0 264.8 274.1 278.7 294.7 299.5 289.6 277.7 -25 -20 270.6 267.4 264.0 257.8 258.8 259.5 261.6 263.6 280.8 283.1 279.8 278.0 -20 -15 265.1 263.5 262.1 254.7 255.2 254.7 254.1 252.6 267.1 269.2 270.3 273.8 -15 -10 261.6 260.1 259.2 253.5 250.6 252.0 254.1 248.8 258.4 257.3 264.6 266.3 -10 -5 258.5 258.6 257.0 256.1 251.6 254.5 262.0 254.4 259.1 249.7 264.5 258.9 -5 0 254.0 256.7 256.2 260.8 259.2 261.2 272.9 266.8 267.9 248.5 267.0 254.5 0 5 247.6 251.5 255.5 263.3 267.4 267.0 279.7 277.4 276.5 251.7 266.6 253.1 5 10 241.1 244.9 253.9 262.0 270.6 268.6 279.2 279.0 277.7 254.7 261.3 253.2 10 15 236.9 241.5 253.2 260.1 270.2 268.4 275.1 273.3 272.5 256.5 255.4 252.9 15 20 237.6 245.3 257.2 263.9 273.2 272.1 274.1 268.8 267.6 258.7 254.2 252.4 20 25 245.6 256.6 269.9 277.6 284.9 282.8 279.2 271.6 268.1 262.5 258.8 254.3 25 30 262.5 275.5 291.3 299.4 303.1 298.5 288.5 281.2 274.7 267.3 267.0 262.9 30 35 286.0 302.6 318.4 323.6 322.3 314.6 298.9 292.5 284.7 273.2 278.3 280.3 35 40 309.6 334.4 346.3 346.4 340.8 328.5 309.4 301.0 293.3 281.9 292.2 302.7 40 45 329.3 363.9 372.2 369.4 360.5 340.6 320.4 307.2 298.9 294.6 307.2 322.4 45 50 350.8 386.0 396.3 394.9 380.6 351.3 331.2 313.4 303.2 308.1 320.2 334.6 50 55 382.1 402.4 418.3 419.9 395.5 359.4 338.3 319.5 307.9 315.2 328.5 340.9 55 60 417.6 418.6 436.2 437.8 400.5 364.6 339.2 322.0 311.1 311.1 330.7 345.3 60 65 437.8 437.9 449.4 445.7 398.6 368.2 336.1 318.6 309.9 299.9 326.5 347.3 65 70 428.5 456.9 459.8 447.1 397.6 373.3 334.2 311.9 304.5 291.1 316.9 343.6 70 75 400.1 469.2 469.4 445.4 400.8 379.7 335.0 305.2 296.7 288.5 303.0 335.4 75 80 379.8 470.5 478.2 439.2 405.3 383.5 334.2 298.4 286.2 287.1 286.4 329.5 80 85 381.4 463.4 484.4 429.1 407.3 382.6 328.5 290.4 273.2 281.8 270.1 330.3 85 90 392.4 456.1 487.2 420.5 407.3 379.7 322.3 284.1 263.1 275.7 259.6 334.1 1976 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 289.4 258.7 248.3 266.3 270.9 270.2 269.3 309.0 274.4 282.1 335.8 314.5 -85 -80 291.9 267.3 259.9 273.6 277.3 273.3 272.2 309.0 261.2 282.0 340.3 318.1 -80 -75 295.5 278.8 274.9 283.2 285.9 279.6 278.3 312.7 253.2 285.4 346.5 323.0 -75 -70 301.5 288.8 285.8 290.8 293.0 288.8 287.8 323.5 268.9 298.0 353.1 328.4 -70 -65 313.8 296.7 291.9 296.6 299.5 299.1 300.4 338.6 308.6 320.4 359.8 336.9 -65 -60 330.3 303.7 296.2 302.3 307.8 308.2 313.3 348.1 350.6 346.1 364.9 349.7 -60 -55 339.3 308.4 298.4 306.2 316.0 314.3 322.4 346.4 369.9 366.3 364.9 360.5 -55 -50 330.6 307.3 295.6 303.4 317.5 315.5 325.4 338.4 364.5 374.5 357.2 358.5 -50 -45 307.8 298.8 287.6 292.5 308.4 310.3 322.4 331.6 351.1 370.0 343.6 339.2 -45 -40 285.8 285.4 278.8 279.6 292.7 300.4 315.5 325.7 341.0 357.0 329.4 311.5 -40 -35 274.9 272.4 272.9 271.7 278.9 289.8 307.4 316.6 331.8 340.4 317.5 289.9 -35 -30 272.8 264.7 269.2 269.3 271.3 282.5 300.0 304.9 318.7 324.9 307.6 281.9 -30 -25 271.6 263.3 265.0 267.1 267.4 277.7 292.1 294.1 303.2 312.6 298.1 282.2 -25 -20 267.5 264.3 260.6 261.6 263.3 272.0 281.4 284.7 288.4 300.5 286.7 279.9 -20 -15 262.9 263.7 258.7 255.3 258.6 263.6 268.0 273.8 274.7 284.9 273.5 269.9 -15 -10 260.8 261.6 260.9 253.5 256.0 256.5 256.9 261.7 264.2 269.2 261.7 256.4 -10 -5 260.7 260.6 264.4 258.2 257.7 256.5 255.4 255.7 261.8 261.9 256.4 247.5 -5 0 260.0 260.5 264.6 265.6 263.0 265.5 264.8 261.5 268.7 266.1 258.2 246.4 0 5 258.0 258.9 261.2 271.0 268.8 278.0 278.0 274.5 278.4 274.4 261.5 249.0 5 10 256.1 255.6 259.4 273.3 272.8 286.3 285.1 283.1 282.4 277.0 261.0 249.7 10 15 254.8 254.1 263.2 274.6 275.3 287.4 282.8 281.7 279.2 272.7 256.9 248.1 15 20 253.7 257.2 271.1 277.9 278.9 285.0 276.9 275.5 274.2 267.6 253.8 248.0 20 25 255.2 265.1 280.0 285.5 286.3 285.5 275.9 273.4 272.5 267.2 255.8 253.4 25 30 264.9 278.2 291.0 298.7 298.4 292.1 282.8 278.5 275.3 271.5 263.7 265.2 30 35 287.2 298.2 308.9 317.2 314.2 304.2 294.4 286.9 281.9 278.0 276.7 282.1 35 40 318.1 325.7 335.7 339.2 332.1 319.9 306.3 295.0 291.8 286.0 292.1 302.6 40 45 345.6 356.5 366.3 362.3 350.6 337.5 317.3 303.3 303.6 296.4 306.4 324.1 45 50 362.7 382.7 392.0 385.1 368.5 353.1 328.5 312.6 313.5 309.1 317.0 341.6 50 55 373.1 397.1 408.1 406.3 384.5 362.0 337.3 318.7 315.4 320.1 323.3 350.1 55 60 380.7 401.0 414.6 423.3 395.9 362.8 339.2 315.7 307.7 322.2 326.1 348.8 60 65 380.4 403.5 414.1 433.6 401.2 360.1 333.6 305.5 298.9 313.6 326.2 342.1 65 70 365.2 411.3 412.0 439.2 401.2 360.4 326.0 297.1 298.9 300.4 324.9 336.1 70 75 341.0 421.7 416.8 445.4 400.4 364.9 322.4 296.2 305.8 289.4 324.3 334.5 75 80 325.3 426.0 435.7 456.3 403.5 368.5 322.0 299.3 306.4 281.6 325.4 338.1 80 85 326.7 420.4 464.7 469.8 410.5 367.3 321.1 299.4 294.2 274.9 327.4 344.5 85 90 335.3 412.4 487.0 479.3 416.4 364.0 319.3 297.2 280.1 270.1 328.7 349.6 1977 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 286.0 263.5 264.8 261.5 277.7 268.4 278.2 287.0 262.0 285.4 341.3 338.6 -85 -80 293.3 271.1 268.9 260.1 277.7 279.0 280.8 285.4 262.0 292.3 337.0 346.5 -80 -75 300.9 279.7 276.4 262.7 280.4 291.9 286.6 284.4 264.4 303.5 335.4 354.1 -75 -70 305.1 285.3 286.3 274.2 287.9 300.3 296.4 289.5 276.5 318.9 343.9 354.8 -70 -65 310.6 291.3 296.7 293.5 298.9 305.4 309.4 305.8 304.5 338.4 361.1 350.5 -65 -60 322.0 300.8 303.9 312.1 308.6 313.8 322.6 330.3 342.5 357.7 375.4 348.0 -60 -55 333.9 309.7 303.9 319.2 312.4 326.8 333.7 351.3 374.4 370.9 376.0 347.5 -55 -50 335.1 310.6 296.9 311.5 310.3 335.9 341.9 359.8 386.0 372.9 362.7 342.4 -50 -45 321.9 301.9 288.2 295.9 305.9 332.6 345.5 356.2 378.0 364.4 345.8 329.3 -45 -40 302.4 289.1 282.1 282.1 301.9 317.7 340.6 347.3 361.6 351.2 333.2 313.0 -40 -35 286.7 278.2 278.0 274.9 296.9 300.2 324.4 336.1 344.4 336.8 323.5 301.1 -35 -30 277.4 270.5 272.8 271.5 287.4 286.7 300.9 320.0 326.3 320.9 311.6 294.9 -30 -25 270.7 264.0 264.8 266.9 273.2 276.1 278.3 298.4 305.6 302.8 295.6 289.0 -25 -20 262.8 257.5 256.2 259.0 258.9 265.5 262.1 275.7 283.9 283.4 278.2 279.3 -20 -15 254.1 251.9 250.7 250.8 249.9 255.2 252.8 258.8 265.9 265.8 263.7 267.5 -15 -10 247.0 248.4 249.8 246.6 247.5 249.0 248.8 252.5 257.4 256.3 256.7 259.1 -10 -5 242.6 246.2 251.1 247.3 249.5 250.1 250.5 256.6 260.9 258.3 258.6 257.3 -5 0 240.4 242.8 251.2 250.9 253.5 257.3 257.8 266.3 270.8 267.5 264.4 259.8 0 5 239.4 238.3 250.1 254.9 258.9 266.7 267.8 274.4 277.6 273.3 265.6 261.2 5 10 239.4 236.5 251.4 259.3 266.0 274.9 275.4 276.9 275.5 270.0 258.2 257.5 10 15 240.6 240.1 257.3 265.8 274.2 281.1 277.8 275.0 268.4 262.0 247.7 249.2 15 20 243.8 248.1 266.4 275.8 282.7 286.4 277.1 273.1 263.7 257.7 242.8 241.5 20 25 252.0 259.3 276.9 289.8 292.8 292.4 278.5 274.5 265.4 260.5 246.8 241.6 25 30 271.0 277.6 290.4 307.6 307.4 301.6 286.0 280.6 273.2 268.2 256.4 254.1 30 35 303.4 308.6 311.3 328.7 328.2 315.2 299.0 290.6 283.7 277.8 267.6 277.7 35 40 342.4 349.9 340.7 351.1 352.2 332.0 313.2 302.1 292.9 287.2 280.0 304.5 40 45 374.1 388.6 373.9 373.1 373.6 348.9 326.1 313.2 299.8 296.1 295.1 325.1 45 50 389.9 412.8 404.3 394.3 388.5 362.4 337.4 323.6 307.1 305.2 312.4 337.1 50 55 395.1 424.0 428.6 414.0 397.6 370.6 345.9 332.1 316.2 314.1 326.8 345.8 55 60 399.3 433.2 446.3 430.5 403.2 373.6 348.6 334.9 322.7 320.9 331.7 353.6 60 65 402.7 445.7 457.7 442.9 406.3 371.9 344.3 329.4 320.7 324.2 326.4 354.2 65 70 398.5 457.9 463.7 452.1 406.6 367.6 337.2 318.8 311.0 325.2 318.2 341.8 70 75 386.1 464.1 466.8 458.8 406.2 363.8 332.9 310.1 300.3 325.7 315.5 322.8 75 80 374.9 463.1 470.8 461.6 409.5 362.8 332.4 307.0 293.0 325.1 321.4 312.5 80 85 372.6 458.7 477.6 460.6 416.8 364.7 332.7 307.6 288.6 322.1 331.8 318.0 85 90 375.5 455.4 483.3 458.5 423.5 366.7 332.4 308.7 286.0 318.6 339.3 328.3 1978 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 302.0 291.7 281.8 249.1 271.3 266.4 278.6 287.6 289.6 312.6 362.9 332.1 -85 -80 307.4 296.8 282.5 246.0 271.4 268.0 280.8 286.3 276.7 300.4 356.7 326.8 -80 -75 313.3 303.8 287.3 252.9 274.5 273.4 286.3 287.4 269.2 297.1 353.1 324.4 -75 -70 317.6 310.7 297.2 277.6 282.3 283.0 296.4 295.8 284.5 320.4 360.7 332.1 -70 -65 322.4 316.2 306.1 309.4 292.9 293.7 309.8 313.2 321.5 363.3 377.2 346.1 -65 -60 329.1 317.4 305.9 325.2 301.4 301.8 322.6 333.7 357.7 396.2 388.4 354.8 -60 -55 332.6 312.1 296.6 315.0 304.6 308.1 332.6 349.1 372.4 398.0 382.0 351.0 -55 -50 326.3 302.0 287.7 292.5 304.5 315.5 340.2 357.2 369.4 379.2 361.2 337.4 -50 -45 310.8 292.2 286.2 277.7 303.7 322.5 345.0 359.0 365.0 362.4 339.4 323.7 -45 -40 294.7 286.6 289.1 275.9 301.3 322.8 342.6 353.7 363.4 353.4 325.3 315.1 -40 -35 284.7 283.5 287.5 277.5 294.0 311.7 328.7 338.6 354.2 342.2 316.5 309.7 -35 -30 279.4 279.2 278.3 272.6 280.7 293.0 306.5 315.9 332.5 323.1 307.0 302.8 -30 -25 273.8 272.7 266.5 261.8 265.4 275.4 284.5 293.3 307.4 302.7 295.4 291.5 -25 -20 265.8 265.7 258.6 252.6 254.9 264.8 269.7 277.0 288.5 287.8 283.6 277.6 -20 -15 258.5 260.8 256.5 250.4 252.8 261.2 263.2 267.6 276.6 277.1 273.2 265.2 -15 -10 255.5 259.5 258.4 254.6 256.5 260.9 262.5 262.9 269.7 268.9 265.5 257.0 -10 -5 256.5 260.9 262.1 261.4 261.0 262.6 265.4 262.4 269.0 266.1 262.2 253.3 -5 0 257.2 261.1 265.1 266.8 263.4 266.1 269.9 266.7 274.2 269.9 263.3 252.1 0 5 254.1 257.0 264.9 268.7 264.6 270.6 273.4 272.5 279.6 274.4 265.3 250.9 5 10 247.3 249.8 260.0 267.0 267.0 273.8 274.4 275.0 278.2 272.1 264.3 249.0 10 15 240.4 243.5 253.1 263.9 270.8 273.6 273.3 272.4 270.3 263.7 260.2 248.1 15 20 237.2 242.3 250.7 263.8 274.9 271.7 272.7 268.2 263.4 257.7 256.7 250.7 20 25 240.7 249.7 259.5 272.0 280.2 272.9 275.0 268.0 264.0 259.7 256.7 257.1 25 30 254.5 268.4 281.7 290.2 290.4 281.2 281.5 274.6 271.9 267.0 261.3 266.6 30 35 280.8 298.7 312.7 315.3 309.0 297.3 291.4 286.3 281.6 274.0 269.8 279.0 35 40 316.0 334.0 343.2 342.8 335.3 318.5 303.8 299.0 289.1 279.4 280.4 295.6 40 45 349.0 364.4 366.1 369.4 363.0 339.5 317.9 309.7 295.8 287.2 292.3 315.4 45 50 369.2 387.0 381.6 393.3 384.6 355.3 331.4 318.2 304.3 299.4 306.2 332.6 50 55 375.2 405.0 394.0 411.8 396.5 362.9 340.1 323.7 312.3 310.6 320.8 341.1 55 60 375.3 418.8 405.1 422.8 400.5 363.7 340.9 324.1 313.7 312.2 328.9 339.8 60 65 377.6 421.9 413.3 428.7 401.0 362.1 336.2 319.6 308.2 303.7 322.5 334.9 65 70 382.9 409.2 418.5 434.2 400.8 362.6 332.2 314.1 304.0 293.8 302.1 332.7 70 75 389.6 386.0 423.8 439.9 400.2 366.0 331.9 311.3 306.8 289.6 278.8 334.5 75 80 397.3 364.9 431.5 440.3 398.7 368.5 331.6 310.3 312.6 288.4 265.1 337.6 80 85 406.0 354.3 440.5 433.0 397.0 367.7 327.4 308.0 313.7 284.8 264.0 339.3 85 90 412.3 352.2 446.5 424.9 396.2 365.6 322.3 305.4 311.1 280.2 268.0 339.6 1979 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 282.3 281.6 266.2 275.2 273.1 268.2 262.7 264.1 261.4 315.4 345.7 330.3 -85 -80 282.6 279.4 268.3 278.2 273.9 272.6 269.9 262.7 255.5 308.1 340.8 330.8 -80 -75 283.8 280.1 273.9 283.6 277.6 280.5 280.4 262.5 253.4 307.9 338.6 332.6 -75 -70 289.4 288.4 282.9 290.4 285.6 289.7 290.3 269.1 266.9 328.1 347.4 337.4 -70 -65 302.8 301.9 292.1 296.7 295.8 298.5 299.1 286.4 297.6 364.5 365.7 346.4 -65 -60 320.7 311.5 296.5 301.5 304.0 306.9 309.8 311.8 332.6 395.9 380.9 356.0 -60 -55 332.7 311.6 294.3 303.9 307.9 316.0 324.0 337.0 356.3 404.7 380.0 358.9 -55 -50 329.6 305.0 289.3 303.3 308.2 324.7 338.1 354.3 366.4 394.4 364.2 349.8 -50 -45 313.6 297.9 286.3 299.4 306.6 328.6 344.0 361.1 370.4 378.8 346.8 331.7 -45 -40 295.9 291.1 285.3 293.0 302.9 323.5 336.0 358.3 370.8 363.9 337.7 313.8 -40 -35 284.1 281.7 282.5 285.6 296.0 310.3 318.1 346.5 361.4 346.4 333.1 302.2 -35 -30 277.6 269.8 275.5 278.2 285.8 294.8 300.7 327.5 339.9 325.4 323.2 295.2 -30 -25 271.9 259.7 266.1 271.0 274.5 281.9 289.9 305.6 314.1 305.8 305.5 287.7 -25 -20 264.4 253.7 258.0 263.9 264.9 272.3 282.3 285.2 293.1 290.4 285.8 278.0 -20 -15 256.9 250.6 253.4 257.6 258.6 264.2 272.2 269.8 278.8 276.5 271.2 268.8 -15 -10 252.0 249.0 252.3 254.2 255.6 257.5 260.3 261.2 269.1 263.9 263.6 263.0 -10 -5 250.2 249.0 253.3 254.9 255.7 254.7 254.3 261.3 264.1 257.5 260.5 260.1 -5 0 249.4 250.2 254.9 259.1 259.5 257.4 259.3 268.7 264.7 259.2 257.9 257.9 0 5 247.7 250.6 256.2 265.2 266.9 264.0 270.9 277.3 269.2 263.3 253.9 255.3 5 10 245.6 249.3 257.1 271.6 275.2 270.7 278.8 280.6 273.7 263.7 250.5 252.7 10 15 245.1 249.1 259.2 277.8 281.6 275.6 278.5 278.1 276.0 260.9 250.6 251.3 15 20 248.5 254.3 265.3 284.3 286.7 280.6 275.4 274.8 276.7 260.7 254.1 251.9 20 25 257.7 267.6 278.2 293.3 295.3 288.2 277.6 276.4 278.2 265.7 258.2 255.7 25 30 274.6 289.5 300.1 307.6 311.6 299.5 288.0 284.2 282.7 272.4 262.9 264.9 30 35 300.5 318.4 329.8 328.7 333.8 313.8 302.0 295.0 289.9 277.9 271.6 281.4 35 40 331.7 350.2 361.5 355.8 354.7 329.7 314.9 304.2 296.4 283.7 285.6 303.1 40 45 360.0 379.7 388.3 385.7 369.1 346.2 326.6 310.9 300.4 293.4 301.1 324.2 45 50 378.5 402.0 409.0 413.1 378.3 361.2 338.2 317.5 304.5 305.6 313.1 341.4 50 55 384.5 413.5 427.8 433.1 388.3 370.6 347.2 324.7 310.4 314.1 321.4 358.0 55 60 379.1 415.1 446.5 443.4 401.1 372.3 348.6 328.0 315.1 314.9 330.7 378.9 60 65 363.8 413.2 461.8 447.1 411.5 369.0 342.3 324.0 313.5 313.3 344.4 402.4 65 70 341.4 415.7 470.5 450.6 414.6 365.8 335.3 315.6 306.1 317.7 361.3 420.2 70 75 321.0 425.5 474.1 457.0 412.2 365.3 332.9 308.7 298.0 327.1 377.6 426.7 75 80 312.8 437.6 477.6 463.5 412.0 365.3 332.1 305.4 291.5 331.4 390.6 425.1 80 85 318.5 445.6 483.5 466.3 417.6 363.4 328.6 303.7 286.0 324.6 398.7 422.6 85 90 327.4 448.3 488.8 466.2 423.9 360.9 324.3 302.5 281.9 314.9 402.3 422.1 1980 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 305.5 283.6 280.5 282.4 269.9 284.7 280.5 333.0 258.1 258.5 311.7 327.4 -85 -80 307.6 286.9 289.3 282.0 275.1 283.4 283.5 333.5 249.0 250.4 311.3 328.9 -80 -75 311.2 293.2 300.1 285.0 282.8 286.0 289.7 329.7 242.7 248.8 310.6 331.3 -75 -70 317.0 302.2 306.3 293.7 290.4 295.9 299.3 322.2 254.2 269.4 312.8 334.4 -70 -65 325.7 311.7 308.0 304.9 297.5 309.7 312.3 318.9 288.2 311.8 322.5 337.4 -65 -60 334.5 317.7 309.7 311.8 305.4 320.0 325.9 325.7 331.6 355.8 338.9 337.6 -60 -55 336.8 317.0 312.3 309.7 312.3 322.6 336.6 338.8 362.3 376.6 353.5 331.8 -55 -50 329.1 311.1 311.3 300.8 314.0 320.3 341.7 346.9 369.4 368.9 356.0 319.5 -50 -45 316.3 303.9 303.1 291.3 308.2 317.4 340.2 342.4 359.9 349.4 345.1 305.1 -45 -40 305.2 297.0 289.2 284.9 296.7 313.1 331.4 328.1 345.1 333.7 327.9 293.7 -40 -35 296.9 288.7 274.6 280.6 283.6 302.8 314.7 312.0 329.3 323.1 310.4 286.6 -35 -30 287.9 278.9 264.2 274.4 271.0 285.1 292.8 298.4 312.3 311.8 295.6 280.5 -30 -25 276.4 270.1 258.8 264.5 259.8 265.5 271.5 285.8 295.7 297.8 283.4 272.7 -25 -20 266.2 264.6 255.8 253.4 250.9 251.7 256.5 273.3 281.5 283.8 273.0 265.1 -20 -15 261.2 261.3 253.2 245.9 246.0 247.0 250.2 263.1 270.8 272.2 264.3 260.6 -15 -10 260.9 258.5 251.3 245.5 246.6 249.8 251.8 259.3 265.7 265.4 259.0 258.9 -10 -5 261.0 255.8 251.2 251.3 251.3 256.1 258.7 264.0 268.5 265.3 259.4 257.3 -5 0 257.5 253.5 252.6 258.3 257.4 262.0 267.6 273.8 277.5 270.8 263.6 255.0 0 5 251.5 251.8 253.6 262.4 263.5 265.6 274.6 281.4 285.2 276.7 266.8 253.4 5 10 246.3 250.4 253.0 262.7 268.9 267.8 277.9 282.4 285.5 277.6 265.6 253.7 10 15 243.7 249.5 252.1 262.4 273.9 270.6 278.1 279.1 279.6 273.4 261.5 254.8 15 20 243.8 249.7 253.9 265.8 279.7 275.5 277.5 276.3 273.6 268.4 258.7 255.5 20 25 247.9 254.4 262.9 276.2 288.9 283.2 279.5 277.9 272.6 266.9 259.6 258.9 25 30 260.7 270.0 283.6 295.1 304.2 294.4 286.5 285.0 277.5 270.7 264.9 270.5 30 35 286.3 300.9 316.2 321.4 325.5 310.0 298.5 295.8 285.9 279.2 274.3 291.5 35 40 321.0 342.2 354.5 351.6 349.5 329.8 313.3 306.6 294.5 289.9 286.5 314.2 40 45 353.6 379.8 388.2 380.6 370.8 351.2 327.9 315.1 302.8 300.6 299.1 329.3 45 50 375.1 401.5 412.2 403.5 386.6 369.1 339.9 320.8 312.1 310.6 311.5 336.3 50 55 387.2 406.7 429.0 417.0 398.4 377.7 347.0 324.7 320.5 319.0 323.0 343.9 55 60 395.7 404.1 441.0 423.8 408.8 376.1 347.6 326.0 322.3 322.3 330.2 354.6 60 65 400.4 401.0 447.6 431.0 416.3 369.2 342.6 323.4 314.3 317.2 328.8 357.0 65 70 396.5 399.8 448.0 443.5 418.2 363.5 336.3 317.3 301.5 305.6 320.3 339.8 70 75 385.1 399.5 446.4 457.7 414.4 362.1 332.1 310.8 291.6 293.7 312.8 310.1 75 80 375.1 398.8 450.2 464.2 408.5 363.4 329.0 304.9 285.6 285.8 314.5 289.6 80 85 373.6 397.3 461.0 459.9 404.6 364.1 325.3 299.6 280.6 281.6 325.1 290.1 85 90 376.7 396.1 471.1 452.8 403.5 363.7 322.0 295.9 276.6 279.9 335.2 299.6 1981 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 281.9 263.3 250.5 244.5 264.1 255.3 256.7 278.4 278.8 279.3 305.9 316.8 -85 -80 282.3 268.1 254.7 246.6 269.6 261.0 262.5 280.2 274.3 273.0 298.1 318.9 -80 -75 284.4 276.0 261.5 250.0 277.2 269.8 271.4 283.1 271.9 271.9 294.3 323.8 -75 -70 290.7 286.1 270.0 255.9 284.0 278.6 280.7 290.3 281.7 288.7 305.8 331.4 -70 -65 302.0 297.2 281.3 266.3 291.0 286.1 290.2 306.4 307.6 324.2 330.0 339.6 -65 -60 314.3 306.0 294.2 280.7 299.3 293.6 301.3 330.6 339.3 362.6 351.6 344.4 -60 -55 319.8 308.1 302.5 292.9 306.3 302.9 314.1 353.9 360.2 383.0 357.3 342.6 -55 -50 314.2 302.0 300.7 295.4 307.5 312.9 326.4 365.7 363.0 379.7 348.7 334.2 -50 -45 301.2 291.1 291.2 286.9 300.8 319.1 332.9 361.8 353.6 365.3 337.6 322.1 -45 -40 288.8 280.4 281.7 275.0 290.7 318.1 329.6 347.1 341.8 353.1 330.7 309.6 -40 -35 281.6 272.9 277.0 267.7 283.1 310.6 318.1 329.5 331.1 343.5 324.3 298.8 -35 -30 278.3 268.9 275.9 266.1 278.8 300.1 304.5 313.7 320.2 330.9 314.0 289.9 -30 -25 274.7 267.4 273.3 265.9 274.6 289.4 292.7 299.4 307.9 314.0 301.3 282.9 -25 -20 268.8 265.7 267.0 263.1 267.8 278.9 281.6 284.8 294.1 296.3 289.0 277.6 -20 -15 261.9 261.5 259.9 258.3 260.2 268.2 269.3 269.8 279.7 280.9 277.1 271.9 -15 -10 256.6 256.2 256.1 254.6 255.0 259.1 258.0 258.7 267.5 269.1 265.1 263.8 -10 -5 254.6 252.4 256.7 254.1 254.2 255.1 253.4 256.4 261.7 261.8 255.6 253.6 -5 0 255.1 251.3 258.9 255.8 257.4 257.1 258.1 262.7 262.7 258.4 251.2 245.4 0 5 255.6 251.1 259.7 258.8 262.9 262.7 267.0 270.9 266.1 257.3 250.8 242.9 5 10 254.4 250.5 259.9 263.8 269.6 268.4 272.5 274.0 267.7 257.9 252.0 245.3 10 15 252.5 250.7 262.3 271.2 276.1 272.4 272.6 272.1 267.6 260.5 254.1 248.8 15 20 252.9 253.8 268.4 280.3 282.6 276.3 272.4 270.9 268.5 263.9 257.6 251.3 20 25 258.9 261.9 279.2 291.5 290.8 283.1 277.3 275.2 272.1 266.9 262.4 255.8 25 30 273.6 278.8 297.3 307.3 304.3 294.6 288.1 285.1 278.4 270.3 268.3 267.7 30 35 297.4 306.4 323.8 329.4 325.0 310.4 300.6 296.6 286.8 276.5 276.7 287.5 35 40 326.7 341.0 354.6 355.2 350.2 329.4 312.1 306.6 295.4 286.7 289.4 308.3 40 45 353.3 373.6 382.1 380.0 373.2 348.6 323.2 314.4 303.0 298.7 306.2 322.1 45 50 370.3 397.8 402.4 399.9 388.9 363.1 334.2 320.1 309.8 309.6 322.6 330.2 50 55 376.3 414.3 417.8 414.0 397.2 368.5 341.9 322.1 314.8 318.0 332.4 342.0 55 60 374.5 427.2 430.2 423.0 401.1 365.2 341.8 318.5 314.4 322.5 332.8 361.5 60 65 369.0 439.3 436.7 427.8 402.6 358.5 334.9 310.4 307.8 321.5 327.8 379.1 65 70 362.1 449.6 434.9 429.7 401.2 354.7 328.2 302.5 298.4 315.8 325.7 382.7 70 75 356.6 455.0 430.4 430.5 397.2 354.6 325.2 297.5 291.3 307.9 332.0 373.0 75 80 356.2 454.6 432.7 432.6 393.5 354.1 322.7 292.7 285.9 300.1 345.5 364.3 80 85 361.1 450.0 443.9 436.1 392.3 350.9 316.8 285.4 279.8 293.3 360.1 366.5 85 90 366.5 445.7 455.0 438.7 392.9 347.2 310.8 279.1 274.4 288.7 369.2 373.8 1982 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 271.1 271.8 256.9 283.7 242.5 280.2 290.2 270.1 231.4 239.6 303.4 313.4 -85 -80 276.7 277.5 258.9 280.5 248.8 290.5 298.4 274.3 229.9 228.3 303.6 315.0 -80 -75 283.4 285.2 266.2 279.0 257.6 303.4 309.3 279.2 230.8 223.1 306.6 317.4 -75 -70 289.3 291.9 280.6 285.8 266.0 309.6 316.2 285.2 242.6 242.6 316.3 321.4 -70 -65 297.0 297.8 297.6 304.0 275.8 306.2 315.4 297.2 271.5 290.0 333.1 328.1 -65 -60 308.6 302.6 308.4 326.8 290.4 299.1 309.0 315.7 311.8 346.3 349.6 335.7 -60 -55 319.7 304.2 306.6 339.8 307.0 296.8 303.9 333.2 345.7 382.7 355.8 339.2 -55 -50 322.5 301.0 295.7 332.7 316.7 302.0 306.0 339.7 358.0 386.4 348.2 333.5 -50 -45 314.7 294.2 284.7 309.9 312.7 308.7 313.7 332.8 350.2 369.9 333.1 319.7 -45 -40 301.5 286.3 278.7 286.9 299.1 309.7 318.9 320.1 335.1 350.0 320.3 304.7 -40 -35 289.3 279.7 276.4 275.0 286.8 303.3 314.4 308.8 321.6 331.8 312.7 293.9 -35 -30 280.2 275.0 274.4 273.6 281.0 292.1 300.9 299.4 310.2 313.5 306.8 286.7 -30 -25 272.8 272.1 271.2 273.2 277.8 278.6 284.0 287.5 297.6 295.0 297.9 279.4 -25 -20 266.0 269.1 266.5 267.0 270.8 264.8 269.0 271.9 283.1 279.0 284.2 270.5 -20 -15 259.4 263.5 260.9 257.0 259.6 253.0 257.9 257.9 269.0 267.6 269.1 262.5 -15 -10 253.3 255.5 255.7 249.6 250.4 247.4 252.5 252.5 260.8 262.8 259.4 258.6 -10 -5 248.2 248.2 252.4 248.7 249.5 250.9 255.1 258.9 262.7 265.7 259.8 258.0 -5 0 244.1 245.1 251.1 252.8 255.8 260.4 264.3 271.7 271.8 272.3 266.4 256.8 0 5 242.2 245.9 251.7 258.5 263.2 268.9 273.7 279.9 279.1 274.9 269.4 251.9 5 10 243.0 248.5 254.3 264.7 266.8 271.9 276.8 278.1 278.2 270.1 264.1 244.1 10 15 246.2 251.5 260.0 272.0 269.0 272.0 274.2 271.5 271.7 262.8 255.4 237.7 15 20 251.0 255.4 269.9 281.7 276.7 275.9 272.5 269.3 267.3 260.5 251.8 236.8 20 25 258.4 264.6 284.7 295.3 293.0 287.5 278.5 275.7 270.4 265.3 256.2 243.2 25 30 272.1 285.3 305.4 314.1 314.1 304.1 292.1 287.1 281.1 273.4 264.8 256.5 30 35 295.9 319.2 332.0 337.2 333.3 320.5 307.7 298.4 293.7 280.8 273.8 274.4 35 40 328.0 358.4 361.4 360.0 349.0 335.4 320.5 307.1 301.1 287.1 283.3 293.5 40 45 359.8 390.3 389.9 378.0 363.9 350.0 330.2 314.9 302.0 294.7 294.7 309.7 45 50 382.9 410.8 414.5 391.1 380.1 363.9 339.0 324.0 302.9 304.7 307.6 320.9 50 55 396.5 426.0 433.1 403.6 395.1 372.8 345.5 332.1 310.0 313.8 318.1 328.6 55 60 404.3 438.7 443.5 419.1 405.2 373.8 345.7 333.8 319.1 316.8 322.0 335.6 60 65 408.1 441.3 444.8 435.7 410.1 370.1 339.3 327.5 319.8 312.5 319.9 342.3 65 70 406.3 426.9 439.9 449.6 412.8 368.1 331.8 318.0 308.9 305.6 317.2 348.0 70 75 400.5 400.7 435.1 458.3 414.4 369.7 327.7 310.7 293.8 301.2 318.7 354.3 75 80 396.8 377.6 436.0 462.4 413.7 370.5 326.0 305.8 282.3 298.8 324.1 365.4 80 85 398.8 367.3 442.3 463.5 409.9 367.3 323.1 301.0 276.4 295.7 329.8 381.2 85 90 403.1 366.2 448.1 463.3 406.3 363.0 319.8 297.2 274.0 292.5 333.1 393.6 1983 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 288.5 277.7 269.7 263.6 267.6 266.1 277.9 268.9 256.7 231.8 302.5 306.5 -85 -80 294.4 283.9 273.0 260.8 268.5 266.5 273.3 267.0 248.3 219.6 295.0 312.4 -80 -75 301.0 292.7 278.9 261.7 272.0 270.0 272.1 268.0 244.5 215.8 292.1 319.7 -75 -70 305.0 300.4 288.0 272.6 280.2 278.9 281.5 276.7 259.2 240.2 304.8 324.8 -70 -65 308.3 305.1 300.6 292.2 293.9 292.1 299.4 293.4 292.4 292.4 330.4 327.5 -65 -60 314.4 305.3 313.4 310.4 309.7 305.1 314.7 310.7 326.4 348.1 353.2 329.7 -60 -55 321.9 301.6 319.3 316.9 320.4 313.1 318.8 321.8 343.4 377.5 359.5 330.2 -55 -50 324.4 296.0 313.7 310.3 320.1 314.7 316.0 328.0 345.1 376.1 350.5 325.9 -50 -45 318.0 291.0 300.2 298.0 309.1 312.7 316.7 333.6 345.1 362.8 337.3 316.2 -45 -40 305.1 286.3 286.9 287.8 294.1 309.4 322.9 336.9 347.3 351.7 326.3 304.4 -40 -35 291.5 280.1 278.6 281.0 281.5 303.6 324.5 331.4 342.3 340.7 315.9 293.9 -35 -30 281.2 272.3 273.7 274.0 272.5 292.6 312.4 315.3 323.8 324.1 303.7 284.9 -30 -25 274.3 264.5 268.1 264.1 264.4 277.2 289.7 294.7 299.1 304.5 291.9 276.6 -25 -20 269.4 258.6 260.7 253.9 256.1 261.6 268.1 276.9 279.1 287.7 282.6 269.4 -20 -15 264.6 254.8 254.6 248.8 249.8 251.0 255.8 264.4 267.1 274.9 273.6 264.0 -15 -10 260.1 253.5 253.3 250.8 248.0 248.1 252.7 257.1 261.0 265.0 263.6 259.3 -10 -5 256.4 254.4 256.5 256.9 250.9 251.7 254.6 255.4 259.1 259.1 255.4 253.5 -5 0 253.1 254.5 259.3 261.9 255.7 258.5 257.9 259.6 260.8 258.1 251.8 247.0 0 5 249.1 250.7 257.8 263.4 260.3 266.1 261.7 265.8 263.9 260.0 251.9 242.9 5 10 244.0 244.0 253.3 262.7 264.7 273.1 266.2 269.4 266.0 261.4 252.3 243.6 10 15 239.2 239.8 250.7 262.8 270.2 278.2 270.4 269.9 267.0 261.3 252.2 247.4 15 20 238.2 242.4 253.9 266.8 278.9 281.4 273.8 270.9 268.3 261.3 253.3 251.3 20 25 244.4 252.3 264.6 277.4 291.0 285.3 278.3 275.8 270.8 263.1 257.3 256.2 25 30 259.4 269.7 283.2 296.3 306.0 294.1 286.8 284.4 275.7 267.7 264.1 266.8 30 35 281.5 294.8 308.6 321.5 322.8 310.0 299.6 293.4 282.9 274.4 273.5 285.8 35 40 305.6 325.9 336.4 346.7 340.3 329.2 313.2 300.6 291.2 282.2 285.5 309.0 40 45 325.3 356.9 360.8 365.6 356.7 345.3 323.3 306.9 298.9 289.9 298.8 327.4 45 50 339.4 379.3 380.4 377.5 369.2 353.8 329.5 313.3 305.1 297.7 310.6 338.0 50 55 351.5 388.1 397.4 388.0 376.8 355.4 332.7 317.6 308.4 305.3 317.1 345.8 55 60 364.0 387.3 412.7 401.0 381.1 353.8 332.1 316.4 307.4 309.2 318.4 353.6 60 65 375.3 387.6 424.0 415.6 385.1 351.3 326.1 310.4 303.0 307.4 317.9 354.2 65 70 381.8 396.9 429.2 428.6 390.0 349.0 317.7 304.6 298.7 301.3 320.1 339.8 70 75 383.9 412.9 432.0 437.7 394.6 349.6 314.5 301.7 295.7 294.4 325.4 316.3 75 80 386.8 426.0 439.0 442.5 396.7 355.5 320.7 298.4 289.7 288.1 330.1 300.3 80 85 393.7 429.9 451.2 444.7 396.1 365.0 332.0 291.6 278.5 281.9 331.1 301.1 85 90 400.4 428.4 461.5 445.3 394.7 372.1 340.3 285.0 268.5 277.4 329.8 308.9 1984 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 280.3 263.1 264.5 257.2 287.2 279.5 275.6 259.9 230.7 224.2 279.4 300.7 -85 -80 288.3 268.6 272.9 257.8 290.2 277.8 273.9 255.0 223.4 219.7 262.4 304.5 -80 -75 299.1 277.6 283.4 261.1 295.7 280.2 275.9 252.1 219.0 217.3 254.3 310.2 -75 -70 307.1 288.0 289.9 270.0 302.5 291.8 287.0 259.6 231.4 228.4 277.7 315.8 -70 -65 310.1 297.9 290.8 284.4 308.2 311.3 306.4 280.1 267.0 262.0 325.8 320.3 -65 -60 308.8 303.7 288.1 299.1 310.7 331.0 326.6 306.5 315.5 312.3 366.9 322.8 -60 -55 305.4 302.3 283.8 306.0 309.3 342.5 340.9 328.0 354.8 355.7 375.1 322.1 -55 -50 301.7 295.1 278.8 300.8 306.1 342.7 348.7 340.2 370.4 370.2 355.7 317.2 -50 -45 298.3 286.3 274.6 287.8 303.1 333.4 352.4 346.3 367.2 358.4 333.0 309.8 -45 -40 294.1 279.1 272.3 275.9 299.6 319.0 350.4 347.6 358.0 339.1 319.3 302.8 -40 -35 287.8 273.4 271.4 269.6 293.2 302.5 338.2 339.7 348.0 325.1 310.4 297.4 -35 -30 279.6 268.6 269.2 267.0 282.0 286.2 315.6 320.2 334.4 314.9 300.3 291.6 -30 -25 271.5 265.3 264.4 263.5 268.0 271.8 289.8 295.1 315.7 302.3 289.6 283.1 -25 -20 265.2 263.6 257.9 258.0 256.4 260.1 268.5 273.2 294.2 286.0 280.2 273.2 -20 -15 260.4 261.5 252.3 252.9 250.5 251.7 255.1 259.6 274.9 270.4 271.2 265.5 -15 -10 255.4 257.4 248.7 250.6 249.5 246.7 249.3 254.3 263.3 261.6 261.7 261.4 -10 -5 249.5 251.0 245.6 250.1 249.7 245.4 249.2 254.9 261.7 260.7 255.2 259.2 -5 0 243.4 243.6 241.2 248.3 248.9 247.1 252.4 257.7 265.3 262.5 253.4 255.4 0 5 238.6 237.1 236.6 246.1 248.5 250.2 256.3 259.0 265.9 260.8 252.2 248.5 5 10 236.6 234.4 236.1 247.8 251.9 253.9 259.3 258.2 261.1 255.8 247.3 240.1 10 15 238.7 237.5 242.6 256.6 260.7 259.4 262.3 259.0 257.1 253.1 240.7 233.7 15 20 245.9 246.3 255.2 271.8 273.7 268.1 267.8 265.0 261.0 255.4 239.1 231.8 20 25 259.0 260.3 272.1 290.2 289.0 280.4 276.6 275.8 271.3 260.7 245.0 236.4 25 30 278.2 281.1 294.7 310.6 305.8 294.9 287.5 287.7 282.2 266.2 255.1 248.8 30 35 303.0 311.3 324.9 333.1 325.1 310.2 297.9 296.6 289.6 272.5 266.1 268.8 35 40 330.6 346.4 358.9 356.7 346.5 326.1 306.7 301.8 294.2 281.3 279.2 293.2 40 45 356.3 375.6 387.7 378.3 366.9 342.6 316.0 305.9 300.0 292.3 296.5 315.8 45 50 376.3 390.0 405.1 395.0 382.1 358.1 326.8 311.5 308.5 304.0 314.1 332.6 50 55 388.5 390.7 414.0 407.1 390.2 368.2 335.8 317.8 315.4 314.9 322.8 343.9 55 60 391.8 386.0 421.6 417.4 392.2 369.2 338.4 320.9 314.8 322.5 319.7 352.3 60 65 386.4 383.3 430.7 428.3 391.2 362.9 333.9 319.1 306.4 323.7 315.0 357.5 65 70 374.7 384.6 439.5 438.8 390.0 356.0 327.8 314.5 296.9 318.3 321.2 356.4 70 75 363.2 388.8 446.2 444.5 389.4 354.6 324.8 308.6 291.1 309.6 337.9 349.3 75 80 359.6 393.8 452.0 441.7 389.7 359.1 323.5 299.2 285.8 301.7 352.6 342.1 80 85 364.8 397.1 458.5 432.4 391.1 365.5 320.5 286.3 277.0 295.5 355.8 339.5 85 90 371.8 398.5 463.5 424.2 392.3 369.7 316.9 276.2 268.7 292.0 352.1 340.3 1985 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 278.8 257.8 255.2 254.3 279.9 248.6 302.3 264.6 229.4 214.3 237.4 289.9 -85 -80 284.4 258.1 255.6 249.6 285.9 254.8 309.7 263.3 216.0 197.4 224.6 286.0 -80 -75 292.8 262.5 260.8 252.0 294.2 264.1 320.0 265.5 209.8 189.3 219.5 287.2 -75 -70 300.8 274.0 273.8 269.7 300.2 273.5 327.0 275.2 229.8 213.2 241.2 298.4 -70 -65 306.6 289.5 290.7 295.3 301.8 283.4 325.0 289.9 274.1 266.1 286.5 312.2 -65 -60 308.6 300.6 301.8 310.8 300.4 296.1 314.5 300.9 317.7 318.6 329.6 316.2 -60 -55 306.8 301.9 300.6 306.7 299.0 309.4 302.9 303.7 336.4 342.2 344.4 307.2 -55 -50 302.1 295.6 289.8 291.2 297.6 315.6 298.5 304.6 332.3 339.1 330.1 294.3 -50 -45 295.8 287.8 277.9 278.4 293.0 307.5 301.2 309.4 324.5 330.2 307.5 286.1 -45 -40 288.8 280.8 270.5 273.0 283.8 287.4 302.3 313.5 320.7 325.1 293.2 282.4 -40 -35 281.5 273.7 267.5 270.3 273.2 268.3 294.8 308.2 314.7 318.5 287.6 278.4 -35 -30 274.2 266.5 266.2 265.9 265.4 260.1 281.4 292.4 302.5 306.2 284.3 272.8 -30 -25 266.8 261.7 264.0 260.0 261.0 260.5 268.8 274.9 289.4 292.5 280.6 268.8 -25 -20 260.1 259.1 259.2 255.5 257.1 260.2 260.5 264.1 280.0 281.6 277.1 267.5 -20 -15 255.0 256.6 253.6 253.8 252.9 254.8 256.1 260.7 272.0 271.8 272.8 265.4 -15 -10 252.8 254.5 251.8 255.1 251.2 249.7 256.0 262.2 264.9 263.4 266.3 259.7 -10 -5 254.2 254.8 256.1 259.5 255.7 253.2 262.2 267.3 263.8 261.4 259.8 252.4 -5 0 256.5 256.4 262.7 265.3 264.9 264.7 272.7 274.6 271.3 267.3 256.6 248.2 0 5 254.8 254.6 264.2 268.6 272.2 274.6 279.6 278.8 279.7 273.5 256.2 248.1 5 10 247.3 246.8 257.3 266.1 272.0 274.3 276.8 275.6 279.1 270.9 255.5 248.7 10 15 237.6 236.9 246.8 259.8 267.3 266.9 268.0 267.9 269.0 261.4 252.8 247.6 15 20 232.2 232.3 241.3 257.0 267.2 264.1 263.9 263.7 260.5 255.7 250.8 247.3 20 25 235.6 237.8 246.6 264.9 278.2 272.7 270.8 268.6 263.5 259.5 253.7 252.7 25 30 249.2 254.5 262.8 283.7 297.2 288.8 284.2 280.1 275.6 268.6 263.9 265.6 30 35 273.5 281.8 287.5 306.4 316.1 304.3 295.8 291.2 286.8 275.4 278.9 284.2 35 40 307.6 317.7 318.3 326.0 331.1 317.7 303.5 298.3 291.0 279.1 293.7 305.3 40 45 345.1 357.8 352.1 342.7 345.8 333.5 312.5 303.7 292.0 286.4 305.5 326.7 45 50 375.0 394.2 382.9 362.2 363.6 351.7 326.2 309.9 297.7 299.4 316.4 345.2 50 55 389.2 417.7 404.2 386.9 381.2 364.4 338.4 315.0 307.8 311.0 327.7 355.2 55 60 391.8 426.0 415.2 412.5 391.8 364.1 340.6 315.6 312.6 311.8 333.0 352.0 60 65 395.2 427.7 424.4 434.7 394.4 355.3 334.6 312.3 306.7 302.7 322.2 335.7 65 70 405.9 434.1 440.6 452.4 394.0 348.8 329.1 309.1 295.4 294.2 295.3 313.1 70 75 417.8 447.0 461.7 462.7 394.6 348.3 326.9 305.7 285.7 291.4 266.6 293.2 75 80 419.9 458.2 476.9 460.9 395.3 347.5 320.9 295.5 276.3 288.1 251.9 281.9 80 85 410.4 460.4 479.2 448.3 394.3 341.3 306.8 277.0 264.1 278.6 254.2 279.2 85 90 399.8 457.6 475.0 436.1 392.5 334.1 293.4 261.5 253.9 268.6 262.1 280.0 1986 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 267.4 256.8 244.7 233.0 297.8 264.9 254.2 258.4 234.1 263.6 285.7 297.9 -85 -80 268.3 259.9 245.4 231.1 305.1 267.6 258.1 244.8 222.9 254.1 282.9 297.9 -80 -75 272.5 266.8 251.7 235.1 314.7 273.8 264.8 238.5 217.0 251.7 281.9 301.3 -75 -70 280.7 276.8 265.8 251.1 319.8 283.3 273.9 258.0 233.5 271.6 290.0 309.7 -70 -65 289.5 285.5 281.8 275.6 316.2 294.6 285.2 299.6 275.1 310.5 310.4 319.6 -65 -60 292.7 287.8 289.5 296.1 306.2 306.2 297.8 338.5 324.4 346.9 336.4 324.9 -60 -55 288.3 283.6 284.7 302.4 295.9 316.1 309.4 353.2 357.2 361.4 353.5 322.6 -55 -50 281.3 278.7 273.9 295.3 289.8 321.1 317.5 348.1 364.8 357.0 351.3 315.5 -50 -45 277.6 276.7 266.2 282.1 287.0 318.0 319.6 341.6 356.7 349.6 333.5 307.7 -45 -40 277.3 274.9 264.0 269.5 283.1 306.5 314.8 338.9 343.0 344.9 312.4 299.9 -40 -35 275.7 270.0 263.9 260.2 276.6 291.0 304.3 330.2 326.4 336.5 297.0 291.8 -35 -30 270.2 263.0 263.1 254.8 268.6 277.1 291.1 310.1 309.4 320.6 289.6 284.1 -30 -25 263.2 258.2 261.3 253.1 260.9 266.8 278.0 287.0 296.2 303.0 287.6 278.0 -25 -20 258.0 257.1 258.8 252.7 254.0 258.6 266.4 270.5 287.0 289.2 285.3 273.6 -20 -15 255.6 256.5 255.4 251.7 248.6 251.4 257.1 261.6 277.7 278.6 277.8 268.7 -15 -10 254.1 254.8 251.8 250.0 246.9 247.2 251.8 256.9 267.9 269.2 265.5 261.5 -10 -5 252.0 253.9 249.6 249.5 250.2 249.0 252.5 256.4 262.3 262.9 254.6 253.7 -5 0 249.2 254.0 248.8 251.4 256.7 255.8 258.4 260.5 263.8 261.2 249.6 249.0 0 5 245.6 252.1 247.6 255.0 261.8 262.4 264.1 265.6 267.4 261.1 249.1 248.5 5 10 241.4 247.2 245.3 259.1 262.5 264.8 265.6 265.4 266.4 258.5 248.7 249.8 10 15 238.3 243.8 245.3 263.7 262.0 265.0 263.9 260.4 261.4 254.9 246.2 250.8 15 20 239.8 247.8 252.8 271.1 267.3 269.0 264.1 258.4 259.4 255.8 244.2 251.6 20 25 249.5 261.6 269.9 283.9 282.3 279.1 270.3 265.5 265.3 263.4 247.6 255.0 25 30 268.5 283.7 294.8 302.0 302.8 292.2 281.7 278.6 276.1 274.1 258.6 263.9 30 35 295.2 311.3 322.3 322.8 321.6 304.6 294.0 289.8 285.4 282.3 274.8 279.3 35 40 325.2 342.4 348.0 344.3 336.1 316.9 304.7 295.9 289.7 286.5 290.2 299.1 40 45 352.8 374.2 369.5 366.0 349.0 331.8 314.8 301.1 292.3 290.7 300.6 319.7 45 50 374.2 400.0 385.2 386.4 363.2 347.4 325.5 309.5 298.0 298.6 309.3 336.9 50 55 386.0 410.6 393.2 402.0 377.1 356.3 334.3 317.3 305.7 307.3 321.9 347.7 55 60 384.7 404.0 394.1 410.9 386.7 354.0 335.0 317.5 309.4 308.1 335.6 351.6 60 65 370.0 390.9 394.8 417.7 391.6 345.9 326.6 310.9 306.5 297.3 339.3 349.7 65 70 348.6 385.0 405.1 429.1 394.8 341.7 315.9 305.1 301.0 281.1 326.4 344.3 70 75 332.8 390.3 427.5 443.9 396.0 344.4 310.0 303.2 295.5 268.7 305.2 337.9 75 80 332.3 397.4 454.3 452.7 391.9 347.7 309.1 299.0 285.9 263.1 290.6 333.6 80 85 345.1 397.3 475.6 450.2 382.6 346.1 309.3 287.8 270.1 261.2 288.9 332.8 85 90 357.8 393.2 486.3 443.5 374.5 342.2 308.8 276.8 256.6 260.2 293.1 333.8 1987 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 284.5 269.6 269.7 277.5 244.8 257.4 264.8 252.4 206.5 183.4 227.7 284.7 -85 -80 286.5 274.0 271.3 276.1 243.6 265.7 267.4 249.5 197.6 171.8 216.2 287.2 -80 -75 291.1 280.1 277.5 279.6 245.5 276.7 272.8 248.7 191.9 165.5 210.5 290.5 -75 -70 298.8 285.8 289.4 291.7 254.6 285.0 280.5 255.5 203.5 182.9 226.9 295.0 -70 -65 308.0 291.3 302.2 307.3 271.0 291.2 288.7 271.2 237.2 228.3 264.3 303.0 -65 -60 314.1 296.6 307.5 314.7 289.5 299.5 294.1 289.5 281.6 286.4 304.5 314.3 -60 -55 313.1 299.4 301.5 307.9 302.9 309.4 296.1 303.2 316.9 331.0 328.6 322.7 -55 -50 305.7 297.4 289.1 293.2 307.0 313.9 297.9 310.9 332.5 349.1 333.9 320.3 -50 -45 296.1 290.6 278.6 280.8 302.2 306.3 301.9 315.8 334.2 348.7 330.8 307.3 -45 -40 287.2 281.4 273.2 275.1 292.4 289.6 305.9 318.5 331.5 342.1 326.8 292.9 -40 -35 279.5 272.8 270.1 273.6 281.7 273.7 303.8 314.8 325.7 332.9 320.9 285.8 -35 -30 272.9 266.8 266.9 271.6 271.9 265.3 293.2 302.3 313.4 320.4 310.8 285.5 -30 -25 268.0 263.0 263.3 266.9 263.6 262.0 278.1 285.2 296.2 306.1 297.5 283.8 -25 -20 265.1 259.2 259.9 259.9 256.2 257.6 264.3 269.5 278.9 291.7 283.2 275.3 -20 -15 262.4 253.5 256.7 253.0 250.0 250.0 255.9 259.0 266.1 277.7 269.5 263.1 -15 -10 257.7 247.2 253.0 248.1 245.7 244.1 253.4 255.4 261.2 267.3 260.1 254.7 -10 -5 250.9 243.1 249.9 247.1 245.0 245.7 256.8 259.4 265.8 265.7 259.3 254.1 -5 0 243.9 241.3 248.4 250.1 249.0 254.5 263.7 269.0 276.1 272.4 264.9 257.4 0 5 239.1 239.7 248.5 255.7 256.9 265.0 270.4 277.4 283.6 279.0 268.1 257.2 5 10 237.4 237.7 249.4 261.3 265.6 272.2 274.1 279.0 282.4 277.0 262.2 250.6 10 15 239.0 238.2 251.0 265.5 272.7 276.3 274.9 275.0 275.3 267.6 250.4 242.0 15 20 243.8 244.0 254.8 270.6 279.0 281.7 275.9 272.8 270.1 259.2 242.4 237.5 20 25 252.0 255.8 264.3 281.5 288.7 291.6 281.4 277.4 271.3 259.1 243.1 240.0 25 30 265.6 274.1 283.5 302.0 305.1 305.1 292.4 287.6 278.5 267.0 250.5 249.4 30 35 287.0 299.3 313.7 330.3 327.9 320.4 306.2 298.7 288.4 278.2 262.7 264.8 35 40 315.3 328.9 350.8 359.3 352.4 335.7 319.4 307.2 297.3 288.7 280.8 285.8 40 45 343.5 357.0 386.4 382.6 373.0 350.1 330.2 314.8 304.4 298.3 303.7 309.8 45 50 362.0 379.1 413.5 398.7 386.6 361.7 338.8 323.4 310.6 307.6 323.0 330.9 50 55 366.6 396.9 429.8 409.3 394.1 367.6 344.5 330.5 314.9 314.7 330.1 344.8 55 60 364.2 417.0 437.6 416.3 397.7 367.9 344.8 330.9 314.9 314.6 328.7 352.2 60 65 365.6 446.0 440.7 421.9 398.2 366.5 339.8 323.7 310.1 307.1 333.5 358.6 65 70 376.7 482.0 442.8 428.0 396.2 367.6 333.4 314.7 304.1 300.2 351.3 368.5 70 75 394.6 513.9 446.6 434.7 393.6 371.3 329.7 309.3 300.2 302.1 368.8 381.3 75 80 412.0 529.4 453.3 439.7 392.7 373.7 327.9 306.4 295.7 313.3 364.8 394.2 80 85 424.0 527.3 460.8 441.2 394.1 371.9 325.6 302.5 287.5 326.1 335.5 404.8 85 90 429.6 519.8 465.6 440.2 396.0 368.8 323.2 298.6 279.8 333.5 306.2 411.0 1988 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 267.2 269.8 283.6 255.7 264.7 276.6 300.2 252.8 249.3 280.1 373.1 325.5 -85 -80 272.6 269.2 281.2 254.5 267.7 281.2 297.8 258.8 238.4 268.0 355.2 322.3 -80 -75 279.6 269.8 279.7 256.8 273.2 289.1 294.1 268.7 236.2 260.4 336.8 320.5 -75 -70 285.8 275.7 283.1 266.9 280.3 297.7 291.0 281.8 261.5 274.1 333.4 324.4 -70 -65 292.9 287.8 292.4 282.6 286.8 303.6 290.7 298.7 312.5 311.0 343.7 332.8 -65 -60 301.8 300.6 302.5 295.0 290.0 304.9 293.9 317.8 361.4 353.3 351.9 338.6 -60 -55 307.9 305.9 304.5 295.2 288.6 303.0 299.8 335.2 379.7 377.9 347.0 335.2 -55 -50 304.9 300.6 295.3 284.0 283.9 300.2 305.9 348.0 369.2 378.5 334.4 322.9 -50 -45 293.5 290.3 281.4 271.0 279.3 297.0 309.1 353.1 354.1 366.6 324.9 307.9 -45 -40 281.6 282.6 271.2 265.0 277.2 292.9 307.4 347.5 347.8 353.3 321.2 296.6 -40 -35 276.6 279.5 267.6 266.2 276.8 287.5 301.7 332.0 342.2 338.9 316.8 290.3 -35 -30 278.0 278.1 267.2 267.4 274.6 281.5 294.8 312.4 328.2 321.3 307.6 286.5 -30 -25 279.1 274.6 265.0 263.0 268.8 275.4 287.7 295.2 309.1 303.3 296.0 282.1 -25 -20 274.6 267.4 259.7 255.1 260.8 268.9 279.2 282.1 292.6 288.8 285.0 275.8 -20 -15 265.4 259.0 254.0 249.5 254.1 261.6 268.1 270.2 279.9 277.8 274.1 267.9 -15 -10 257.3 253.5 251.3 249.4 251.5 255.5 257.2 258.8 268.4 268.1 262.7 259.2 -10 -5 254.8 253.3 252.0 252.9 252.9 254.3 252.3 252.4 259.5 261.0 254.7 251.7 -5 0 256.6 255.9 253.9 256.9 257.2 259.3 256.4 254.5 256.7 258.4 253.1 248.5 0 5 257.3 256.6 254.8 260.6 262.9 267.1 265.5 261.9 259.6 258.9 255.2 250.7 5 10 253.8 253.7 254.9 264.7 267.8 272.4 272.2 267.1 263.7 259.9 255.7 255.2 10 15 247.6 250.0 255.4 268.5 270.6 273.1 273.3 266.9 265.0 260.0 253.9 257.0 15 20 243.0 248.5 256.4 271.4 272.6 272.6 272.1 265.7 264.1 259.4 253.5 255.0 20 25 244.0 252.5 260.2 276.3 277.7 277.3 274.3 269.1 265.1 259.9 256.4 253.9 25 30 253.4 265.8 272.8 289.2 290.2 290.6 282.2 278.5 271.1 263.7 262.2 261.0 30 35 273.0 290.4 298.8 312.4 311.3 309.8 293.8 289.4 281.1 272.2 270.2 279.1 35 40 300.4 321.6 335.4 339.1 336.8 329.4 306.5 297.6 290.9 283.8 281.4 302.2 40 45 327.5 349.9 372.2 359.4 359.8 344.6 319.3 303.8 297.2 294.0 296.3 321.7 45 50 346.1 368.8 398.8 372.7 375.7 353.4 331.5 311.4 301.2 299.7 310.6 334.3 50 55 356.0 381.9 414.9 387.4 385.0 356.3 339.4 319.5 304.0 299.9 317.8 343.7 55 60 365.7 396.9 426.2 409.4 391.2 354.6 338.5 322.5 303.5 295.2 315.6 351.6 60 65 382.2 415.1 436.7 432.6 395.4 350.4 330.1 316.4 298.6 288.2 309.8 351.5 65 70 401.0 427.6 445.6 447.2 396.8 347.9 321.1 305.9 293.6 283.3 308.5 338.0 70 75 408.5 420.6 451.5 451.1 395.6 350.3 317.3 298.6 293.0 284.4 312.6 317.8 75 80 395.8 388.9 456.0 451.2 393.7 356.6 316.6 296.4 295.5 291.1 315.6 305.9 80 85 369.8 344.9 460.5 454.0 393.3 363.2 314.6 296.4 296.4 298.6 312.7 309.5 85 90 349.2 313.0 463.8 457.6 393.9 367.2 311.9 296.0 295.1 302.9 307.8 318.7 1989 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 288.6 266.8 264.5 262.5 249.0 271.0 280.5 252.4 190.0 218.7 304.9 292.6 -85 -80 286.2 272.0 256.5 263.5 258.0 277.9 283.4 255.9 185.7 200.4 283.3 294.5 -80 -75 285.8 278.8 256.7 267.4 272.9 288.3 289.2 259.4 186.7 184.8 262.5 298.7 -75 -70 291.1 285.8 278.5 275.3 289.0 297.9 297.7 262.2 203.7 193.7 265.0 305.3 -70 -65 300.5 293.1 314.5 285.1 302.3 305.0 306.4 269.5 238.2 232.6 293.6 313.3 -65 -60 307.4 299.5 339.8 291.9 310.3 310.5 312.6 286.1 278.1 286.8 330.2 320.4 -60 -55 306.6 300.9 336.5 291.5 311.5 315.6 315.9 309.8 307.0 332.1 351.9 324.4 -55 -50 300.3 295.7 311.9 284.3 306.7 318.7 318.1 331.9 321.5 355.5 351.5 322.9 -50 -45 294.2 288.0 287.7 274.9 299.0 316.3 320.2 343.2 330.9 360.7 338.7 314.8 -45 -40 290.6 282.4 276.8 269.0 292.0 307.6 319.7 341.5 339.9 355.0 324.7 302.1 -40 -35 287.4 279.1 275.1 268.6 287.1 296.5 313.8 331.3 342.2 341.7 312.4 290.3 -35 -30 283.0 274.6 272.9 270.9 281.7 287.5 303.7 318.0 332.2 324.4 301.2 283.6 -30 -25 278.1 267.7 266.8 271.5 273.9 281.1 292.2 304.1 314.4 308.7 291.6 281.2 -25 -20 274.0 260.9 259.6 267.6 264.5 274.5 280.8 289.2 297.4 295.7 282.9 278.1 -20 -15 269.5 256.9 254.9 261.0 257.2 265.7 269.7 273.7 284.5 282.1 272.8 271.0 -15 -10 263.3 255.4 253.4 255.8 254.4 257.2 259.9 261.2 274.5 268.2 262.0 261.9 -10 -5 256.8 254.4 254.0 254.9 255.2 253.8 255.5 256.9 267.6 260.2 255.2 256.2 -5 0 252.4 252.8 255.3 258.5 258.0 256.7 258.5 261.6 264.9 261.9 254.7 255.2 0 5 251.6 252.1 256.7 264.7 262.0 262.4 265.9 269.8 265.9 268.0 256.6 255.3 5 10 252.9 254.7 258.9 271.9 267.9 267.4 272.5 275.0 268.9 270.9 256.5 252.5 10 15 254.6 259.4 263.0 279.1 276.0 271.6 275.7 276.0 272.1 268.9 254.7 248.5 15 20 256.5 262.7 269.8 286.0 285.1 277.6 277.8 277.0 275.0 266.6 255.1 248.4 20 25 260.0 265.1 279.8 293.6 294.4 287.5 282.6 281.8 277.8 267.6 259.0 254.4 25 30 268.2 273.8 292.9 304.5 305.0 299.8 291.5 289.9 281.9 271.2 264.7 265.1 30 35 283.6 295.0 309.2 321.1 319.9 312.4 302.4 298.2 287.8 276.1 272.3 279.4 35 40 306.1 324.5 328.0 343.3 340.2 325.2 313.1 304.7 293.9 283.2 283.7 298.6 40 45 331.2 351.7 349.7 367.7 361.6 339.1 322.7 309.9 299.2 293.7 299.3 322.5 45 50 351.3 374.6 374.5 389.0 377.0 351.9 330.3 315.6 304.6 304.6 313.4 343.0 50 55 360.6 400.4 398.9 402.2 382.2 357.8 333.6 320.7 310.1 308.6 318.3 348.5 55 60 360.1 429.1 416.9 407.4 380.7 354.4 331.0 321.7 311.0 303.1 314.0 337.9 60 65 355.7 446.9 427.7 410.0 379.9 346.6 326.2 317.7 303.5 295.8 310.1 323.4 65 70 352.0 442.2 438.0 416.5 384.0 343.6 324.4 310.8 291.8 297.9 314.7 319.2 70 75 349.8 423.3 458.7 427.2 392.4 350.5 325.8 302.7 284.9 310.4 324.9 328.1 75 80 347.9 413.3 493.6 435.9 401.1 363.2 324.3 291.7 286.1 322.8 329.2 341.2 80 85 345.0 422.7 533.7 438.3 406.9 374.4 316.2 278.2 291.3 326.3 322.3 349.6 85 90 342.7 437.3 560.9 437.0 409.8 380.0 307.8 267.9 294.6 323.7 312.6 352.1 1990 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 273.5 266.8 247.8 279.9 263.8 276.4 241.1 288.3 226.1 164.0 233.3 231.1 -85 -80 279.4 268.6 253.1 275.8 268.1 271.7 246.5 275.3 208.7 168.4 236.5 241.9 -80 -75 285.8 273.6 261.8 269.8 276.3 267.8 255.4 257.1 189.9 184.7 240.5 254.9 -75 -70 288.6 282.0 271.9 265.0 288.1 270.6 267.1 246.7 190.2 220.2 247.4 264.5 -70 -65 290.4 290.1 281.9 264.2 301.9 280.9 282.1 254.2 221.6 272.1 263.7 274.5 -65 -60 294.3 292.6 289.7 267.4 313.8 294.4 298.9 279.2 276.6 320.9 290.9 291.0 -60 -55 298.6 288.9 292.2 272.5 318.3 304.2 312.0 309.1 328.0 344.7 317.9 309.3 -55 -50 298.1 283.8 288.3 276.1 312.5 306.0 316.0 328.2 351.5 341.8 329.4 316.3 -50 -45 291.5 280.8 280.7 276.9 299.3 300.9 311.4 330.7 347.7 329.8 323.0 307.3 -45 -40 283.2 278.5 274.2 276.2 285.8 292.5 303.5 321.8 333.9 322.5 309.4 291.9 -40 -35 277.3 274.8 270.8 275.0 276.3 283.5 295.2 308.4 320.8 318.2 298.7 282.0 -35 -30 273.7 270.2 269.0 272.3 269.3 273.6 284.9 293.6 307.6 309.7 292.1 279.6 -30 -25 269.7 266.9 265.7 266.6 261.4 262.0 270.4 278.0 291.6 295.7 285.6 277.8 -25 -20 264.7 263.8 259.8 259.3 253.1 250.4 254.9 263.7 274.9 280.5 277.1 271.7 -20 -15 260.3 258.7 254.2 254.4 248.7 243.4 245.7 255.0 262.9 268.6 268.1 263.0 -15 -10 258.1 253.6 253.8 255.2 252.0 245.9 248.1 255.5 260.5 263.2 262.6 257.2 -10 -5 257.6 253.3 260.0 261.5 261.4 257.7 261.1 264.7 268.1 265.5 263.0 256.0 -5 0 256.6 257.4 268.2 269.4 272.1 272.2 276.6 276.9 279.5 272.7 266.6 257.4 0 5 253.3 259.5 271.5 274.9 279.0 281.0 286.0 284.1 286.4 277.6 268.8 258.4 5 10 248.1 255.2 267.9 276.7 280.8 280.7 286.0 283.3 285.4 276.1 266.9 258.1 10 15 243.6 249.5 262.0 275.6 279.9 276.2 281.3 278.8 279.7 270.7 262.9 256.2 15 20 242.8 250.1 260.5 274.5 280.7 275.3 278.8 276.9 274.7 267.2 259.9 253.5 20 25 248.8 259.9 267.6 279.2 286.6 281.2 281.9 279.5 273.6 268.4 259.6 253.8 25 30 263.4 276.0 283.6 294.0 298.7 291.6 289.7 284.8 277.5 273.1 263.6 262.0 30 35 285.0 294.4 305.1 317.8 316.0 303.2 298.9 291.3 285.4 278.9 272.1 280.0 35 40 308.8 314.4 327.3 343.4 334.8 315.6 307.5 298.9 293.8 284.0 283.6 302.5 40 45 330.3 337.0 346.7 362.6 350.7 329.2 315.4 307.6 300.1 289.0 294.5 319.6 45 50 350.0 360.0 364.4 373.2 359.7 341.7 323.7 315.6 304.8 295.1 304.1 327.4 50 55 368.8 376.0 381.9 380.0 362.4 348.3 331.0 319.0 309.0 302.1 314.1 331.5 55 60 377.6 384.6 396.7 386.6 363.2 348.0 333.1 315.6 310.1 305.9 323.5 336.1 60 65 364.3 397.0 403.6 391.1 366.2 346.1 327.7 308.3 303.9 303.9 325.9 336.1 65 70 331.3 421.0 399.1 391.0 372.3 347.6 319.2 302.9 293.0 299.3 317.7 325.4 70 75 303.2 447.0 386.1 385.9 379.0 350.6 314.4 300.4 285.4 297.6 305.1 309.7 75 80 307.9 454.2 371.1 379.3 383.7 348.3 315.8 296.2 285.3 301.2 298.4 304.7 80 85 345.5 436.7 359.4 374.5 385.7 338.3 320.4 287.8 289.7 306.7 301.4 316.8 85 90 382.2 415.4 353.5 372.2 386.0 328.7 323.8 279.9 293.2 310.0 307.4 332.2 1991 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 274.7 267.6 243.0 255.8 265.4 225.5 217.9 224.1 203.7 163.5 357.7 298.4 -85 -80 275.9 265.4 254.3 254.6 249.8 239.1 236.8 220.9 190.4 173.4 320.4 296.4 -80 -75 279.6 264.0 269.0 255.7 233.3 260.8 266.2 219.2 179.7 193.0 280.0 297.5 -75 -70 287.3 268.7 280.4 263.2 233.2 282.5 293.9 225.8 190.8 224.4 271.5 305.9 -70 -65 298.5 282.4 287.8 277.6 255.6 297.0 309.1 246.5 232.4 266.7 302.3 319.1 -65 -60 308.2 299.6 293.6 293.5 289.3 302.4 309.6 279.3 293.6 310.1 347.3 330.0 -60 -55 309.7 308.4 295.5 301.3 314.2 302.4 303.8 314.1 346.8 340.3 372.4 332.6 -55 -50 301.0 301.7 289.5 295.7 317.6 301.5 303.0 339.2 370.8 351.3 365.7 326.0 -50 -45 287.7 284.8 277.7 281.0 303.3 301.0 310.1 348.1 368.3 349.2 343.5 313.7 -45 -40 276.5 268.8 268.0 267.1 285.0 298.9 316.2 341.7 354.4 342.1 325.0 300.4 -40 -35 270.0 260.3 265.0 261.0 272.7 293.0 312.4 326.1 338.6 332.6 314.2 290.3 -35 -30 266.3 258.2 265.5 261.2 266.9 283.5 299.4 308.0 322.6 319.8 305.5 285.2 -30 -25 262.3 257.8 263.3 261.5 262.6 272.2 285.1 292.0 306.1 304.5 295.1 283.0 -25 -20 256.9 255.7 256.7 258.2 257.0 260.9 273.7 278.1 289.4 288.5 282.5 279.2 -20 -15 251.1 252.6 251.0 253.5 251.7 251.9 264.2 264.7 272.7 272.7 268.6 270.7 -15 -10 247.0 251.5 251.5 251.8 249.7 248.0 256.5 253.5 258.8 259.2 255.8 259.2 -10 -5 246.3 253.7 257.6 255.0 252.3 251.4 254.7 250.6 253.5 252.7 248.2 249.5 -5 0 248.3 256.5 263.9 260.8 258.7 261.3 261.5 258.8 258.5 254.9 247.6 244.5 0 5 250.2 256.9 266.5 266.3 266.6 272.6 273.0 272.4 268.7 261.3 251.3 242.4 5 10 249.7 254.8 266.9 270.7 274.0 279.7 281.1 280.9 275.5 265.9 254.7 239.8 10 15 247.8 252.8 267.7 274.9 279.7 281.5 282.0 280.2 275.3 266.7 255.7 237.2 15 20 248.0 252.6 270.2 280.4 284.8 282.4 280.2 276.2 271.4 265.5 255.4 238.9 20 25 254.9 256.9 276.4 289.0 292.9 288.2 283.4 277.5 270.4 265.7 255.5 247.3 25 30 270.9 271.2 291.6 303.0 306.9 300.6 293.8 286.4 276.7 269.7 259.1 260.7 30 35 295.6 300.4 318.4 323.9 327.1 317.0 307.1 297.8 288.0 277.8 268.7 276.0 35 40 324.9 340.5 351.2 349.6 350.2 333.5 318.1 305.9 297.2 286.9 283.6 291.8 40 45 352.5 377.4 377.8 374.6 370.3 347.5 326.5 310.1 300.8 293.4 298.2 307.8 45 50 373.7 398.1 394.0 394.0 383.4 358.5 334.5 314.2 303.2 296.8 305.6 322.1 50 55 384.7 402.9 407.1 405.6 389.8 365.1 340.7 319.7 309.0 298.5 305.4 330.3 55 60 382.2 401.8 423.1 410.5 392.4 365.9 341.1 322.7 314.6 298.8 306.3 331.6 60 65 367.1 401.9 434.3 412.8 394.0 362.0 335.4 319.4 311.9 297.1 316.1 330.3 65 70 348.6 400.4 426.8 417.2 395.4 357.6 329.5 312.4 300.0 294.5 332.0 330.6 70 75 343.8 389.2 398.5 425.9 395.6 357.1 327.9 306.7 287.3 294.2 340.8 331.1 75 80 363.8 365.1 363.8 437.0 394.7 361.1 328.2 303.7 281.3 297.6 330.7 327.4 80 85 401.7 336.2 338.9 446.2 393.9 366.6 326.1 301.2 281.4 302.3 304.4 318.9 85 90 432.4 316.4 328.2 451.0 393.5 370.2 322.8 298.9 282.9 305.1 281.1 311.4 1992 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 274.9 275.9 271.6 262.3 302.7 286.1 265.8 201.4 178.2 228.5 245.6 282.1 -85 -80 272.1 279.7 276.1 260.9 298.8 291.0 276.7 206.5 169.3 198.9 228.3 283.5 -80 -75 272.0 285.2 282.4 265.9 293.4 296.4 292.2 215.2 161.8 169.8 219.7 284.6 -75 -70 280.2 291.3 289.2 282.1 290.5 298.2 305.3 229.5 170.2 174.0 241.5 285.4 -70 -65 296.2 298.7 297.6 303.1 293.5 296.6 311.8 255.0 204.3 222.2 287.5 288.6 -65 -60 312.1 305.4 306.3 314.7 303.0 296.5 311.9 292.5 260.0 292.9 327.4 295.8 -60 -55 318.9 306.7 309.7 309.0 313.7 301.3 309.2 331.7 316.0 345.1 337.5 303.0 -55 -50 314.6 300.3 302.9 292.2 318.4 307.9 307.8 355.8 349.4 357.2 324.5 303.9 -50 -45 304.1 289.5 288.5 276.8 313.3 309.8 308.4 355.7 356.3 344.8 311.7 297.7 -45 -40 293.3 279.8 275.9 269.7 301.2 303.2 307.5 336.2 347.7 332.2 309.4 290.3 -40 -35 284.8 274.1 270.4 268.1 287.9 290.7 301.3 310.3 333.0 324.7 309.4 286.3 -35 -30 278.5 270.5 269.8 265.6 275.5 277.2 288.9 289.1 314.3 313.0 301.6 284.0 -30 -25 273.2 266.8 267.7 259.8 263.5 264.8 272.8 274.0 292.3 292.8 286.3 278.4 -25 -20 267.5 262.0 261.3 252.2 251.2 253.0 256.8 261.5 270.1 270.9 270.5 268.3 -20 -15 260.4 256.9 254.2 246.3 241.3 242.8 244.5 250.1 253.2 256.0 259.2 258.5 -15 -10 253.8 253.4 251.4 244.6 237.7 237.3 239.3 243.5 247.7 252.5 254.2 254.4 -10 -5 250.1 252.0 252.8 247.1 241.4 239.2 242.9 246.9 255.4 257.6 256.2 256.4 -5 0 248.3 250.5 253.8 250.9 249.1 247.3 253.1 259.1 269.2 264.3 262.2 260.1 0 5 244.5 247.2 251.3 254.0 256.3 256.7 264.0 271.0 278.1 265.7 264.8 260.6 5 10 237.2 243.7 247.7 256.0 261.6 263.5 269.7 274.3 276.5 261.7 259.6 256.6 10 15 230.9 243.9 247.7 259.2 267.4 268.5 270.1 270.4 269.1 256.5 250.8 250.1 15 20 233.0 249.6 253.5 266.8 276.9 275.0 270.3 267.8 264.4 254.1 245.9 244.0 20 25 246.2 260.9 265.7 280.3 290.6 285.3 275.3 271.8 265.6 255.1 247.3 241.7 25 30 267.2 278.7 284.7 298.6 305.7 298.3 285.8 280.8 270.7 259.5 251.5 246.3 30 35 290.6 303.2 310.4 318.6 320.0 312.1 297.9 289.1 276.9 268.1 256.1 259.6 35 40 313.0 330.2 338.1 338.1 333.9 325.4 308.0 294.5 282.9 279.6 264.2 278.6 40 45 331.8 351.6 359.2 356.1 347.8 337.2 315.5 299.7 289.0 291.1 279.4 296.0 45 50 343.6 364.0 369.3 371.5 359.0 345.4 322.6 306.9 295.6 299.8 298.0 305.9 50 55 345.6 370.1 372.3 382.3 363.8 347.3 329.0 313.4 300.9 304.8 309.8 310.6 55 60 341.5 374.2 374.9 387.8 363.0 344.2 330.2 314.4 301.9 305.3 310.4 317.9 60 65 342.2 377.3 380.2 392.2 363.2 340.6 324.4 309.3 298.3 302.7 307.9 330.3 65 70 353.2 378.9 387.4 400.8 369.1 340.1 315.8 302.2 294.8 300.4 313.3 343.7 70 75 367.1 381.4 397.1 411.6 377.0 340.5 310.0 296.3 295.0 303.0 325.4 352.6 75 80 371.0 387.6 411.8 416.5 379.8 336.7 308.3 289.2 296.0 311.6 333.0 356.0 80 85 361.6 397.1 430.3 411.4 375.1 327.7 307.7 278.7 293.2 321.4 328.8 357.7 85 90 350.4 404.4 444.0 403.8 368.8 319.7 306.9 270.0 288.8 327.5 320.5 358.9 1993 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 258.8 261.7 237.6 288.8 277.7 287.4 308.8 265.9 169.5 153.1 239.3 298.4 -85 -80 269.5 268.1 254.6 285.0 285.8 294.2 309.5 253.0 162.4 141.6 222.9 289.4 -80 -75 283.5 277.1 277.5 282.2 295.5 304.2 311.5 238.8 164.1 134.4 204.4 281.7 -75 -70 293.8 285.5 293.9 284.9 300.6 312.1 314.2 237.7 189.1 150.7 202.7 284.4 -70 -65 300.0 291.6 299.1 292.9 300.9 314.3 314.6 255.7 235.2 199.5 230.3 296.4 -65 -60 304.0 293.5 295.5 300.4 300.0 312.5 310.1 285.8 280.1 268.4 279.8 307.1 -60 -55 305.0 289.5 286.8 301.3 299.8 312.1 302.3 312.4 301.8 326.3 324.1 308.0 -55 -50 300.3 281.7 276.3 294.4 298.1 315.0 297.2 325.4 304.6 350.6 340.4 300.8 -50 -45 291.0 275.2 268.2 283.1 292.4 316.1 297.9 326.4 309.3 348.0 331.9 293.5 -45 -40 282.6 272.5 266.1 272.9 284.3 308.6 299.8 320.6 322.3 337.1 317.7 290.2 -40 -35 277.9 271.5 268.3 266.3 276.6 292.5 295.4 309.9 329.1 326.1 308.8 288.2 -35 -30 274.6 268.3 268.5 262.1 269.1 275.4 283.3 294.9 317.5 312.8 302.1 282.5 -30 -25 268.9 261.7 262.1 257.4 260.2 263.8 269.5 279.0 293.9 296.5 291.7 272.1 -25 -20 261.0 254.9 252.0 251.2 250.8 257.6 260.2 266.6 273.8 281.5 278.0 261.4 -20 -15 255.0 251.9 246.6 246.4 245.0 252.9 256.5 259.6 264.6 271.3 266.3 254.6 -15 -10 254.7 254.8 250.7 246.9 246.1 248.6 255.6 257.2 263.4 266.6 259.7 251.5 -10 -5 258.5 260.9 260.0 253.3 252.5 247.0 255.5 257.9 265.0 265.0 256.4 248.9 -5 0 260.9 264.1 265.0 260.9 259.2 250.1 255.4 260.0 265.4 263.0 252.3 244.4 0 5 258.1 260.4 261.2 263.9 262.1 255.9 255.5 260.9 263.2 259.0 246.3 238.7 5 10 251.2 252.4 253.0 261.4 262.1 260.0 256.3 259.9 260.0 255.5 242.0 234.5 10 15 244.4 245.9 247.6 257.8 262.8 261.4 258.6 259.3 259.1 256.1 243.1 234.3 15 20 240.8 244.2 248.2 259.8 267.4 263.8 263.7 262.2 262.3 260.6 248.2 238.4 20 25 241.3 248.4 255.0 270.4 276.1 271.0 271.9 269.2 267.6 265.4 253.2 246.0 25 30 247.2 259.4 268.8 287.4 287.7 282.6 281.6 278.3 272.6 269.0 257.5 257.5 30 35 260.7 278.1 290.3 305.7 301.4 295.2 290.6 287.2 276.9 273.3 265.2 274.1 35 40 281.5 301.1 315.1 321.3 316.5 307.1 298.2 293.9 281.8 279.9 278.7 295.3 40 45 304.5 322.6 335.1 334.4 331.5 318.8 305.7 298.8 288.6 287.7 295.2 315.6 45 50 322.7 338.1 346.5 345.8 343.5 330.4 314.7 303.1 296.4 294.1 309.8 327.3 50 55 333.3 347.3 353.5 353.9 351.2 338.0 322.7 306.3 301.2 297.4 319.8 327.7 55 60 339.2 351.7 361.8 357.4 355.3 339.0 324.4 305.9 298.8 296.9 323.0 323.3 60 65 345.1 350.8 369.0 360.4 357.7 335.4 317.7 300.9 290.5 293.5 317.3 323.2 65 70 351.0 345.1 369.2 368.2 359.1 332.0 306.3 293.7 282.6 290.1 305.0 330.6 70 75 354.9 338.6 362.9 381.0 359.4 330.0 294.9 286.4 277.9 290.5 295.9 341.1 75 80 356.2 336.3 357.6 391.9 358.6 325.5 284.1 278.3 271.6 295.6 300.8 348.9 80 85 357.0 339.3 359.0 395.3 357.2 316.9 273.4 268.7 260.7 301.9 318.8 351.9 85 90 357.6 343.2 363.4 393.7 356.4 309.1 266.0 261.2 251.0 305.7 335.6 352.1 1994 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 264.7 261.3 267.2 289.6 383.6 251.3 231.0 259.9 194.7 191.4 327.4 324.9 -85 -80 269.7 260.3 264.2 289.4 360.3 256.6 240.3 243.7 184.2 176.1 309.4 323.9 -80 -75 276.8 261.3 263.2 290.5 325.3 267.1 255.0 225.7 172.4 162.2 282.0 322.6 -75 -70 284.1 267.8 268.7 295.1 295.9 280.6 270.9 224.8 173.7 169.6 259.7 323.4 -70 -65 292.1 278.2 279.0 303.1 284.7 292.2 286.0 250.9 201.0 207.9 256.4 328.2 -65 -60 299.4 285.2 286.2 309.6 291.2 298.5 299.9 296.4 254.5 267.0 276.6 334.8 -60 -55 301.3 284.1 284.5 307.4 302.9 300.8 311.4 338.5 314.3 319.6 308.2 335.8 -55 -50 296.2 277.9 277.0 294.9 306.5 303.1 319.0 357.2 352.9 344.6 330.3 325.8 -50 -45 288.8 274.4 271.5 278.6 298.8 307.1 321.4 351.7 360.4 345.8 333.9 308.5 -45 -40 284.2 276.0 271.6 268.2 287.0 308.8 317.9 334.8 347.9 338.5 324.7 292.8 -40 -35 281.3 277.5 273.0 265.6 277.5 302.9 308.1 316.8 329.2 328.9 312.0 284.4 -35 -30 275.3 273.8 270.1 264.7 269.3 288.8 293.9 300.2 310.1 315.5 300.2 280.0 -30 -25 264.7 265.7 262.3 259.2 259.7 271.7 278.3 284.1 292.4 298.2 289.0 273.2 -25 -20 254.8 257.8 254.1 250.9 249.8 258.1 264.5 270.1 276.9 281.3 277.4 263.2 -20 -15 250.6 252.5 250.0 246.4 244.2 250.8 254.6 260.1 265.3 270.2 267.3 255.1 -15 -10 250.3 249.1 249.8 248.2 244.6 248.1 249.8 255.5 260.0 267.1 262.4 253.8 -10 -5 247.9 246.0 250.3 251.7 247.4 247.8 250.2 255.7 261.4 269.7 263.5 257.8 -5 0 240.8 242.7 248.6 251.1 249.0 248.7 253.5 258.2 265.4 272.0 265.3 260.2 0 5 233.3 240.4 245.1 248.0 249.7 250.8 256.7 260.4 266.5 268.5 261.6 256.7 5 10 231.4 240.9 244.3 249.1 253.4 255.3 259.4 261.6 263.7 260.6 252.3 248.6 10 15 236.4 244.5 249.6 257.8 262.3 262.0 263.8 263.9 261.4 255.0 244.5 240.8 15 20 243.9 250.1 260.7 271.0 274.4 270.4 271.2 268.9 263.6 256.1 243.7 236.8 20 25 252.7 258.0 276.1 284.3 286.7 280.1 280.5 275.4 270.2 261.4 247.9 237.9 25 30 266.8 273.2 294.9 297.9 299.6 291.4 289.2 281.6 278.9 267.0 252.3 245.3 30 35 290.8 300.5 316.8 315.4 315.3 304.5 296.4 287.5 287.9 272.3 257.7 260.6 35 40 320.5 336.6 339.2 336.5 334.1 318.4 303.5 293.9 295.3 279.0 269.1 282.7 40 45 344.8 370.5 358.7 356.3 352.3 331.5 312.7 302.5 299.9 287.4 287.3 305.8 45 50 359.6 393.3 374.0 371.3 366.0 342.4 323.3 313.0 303.4 294.7 304.9 322.4 50 55 371.6 406.0 386.8 384.2 375.5 350.5 330.7 321.1 307.1 297.6 312.9 330.5 55 60 385.9 413.5 397.3 399.1 383.1 355.8 330.7 321.9 309.4 295.4 310.7 334.9 60 65 395.6 416.1 402.5 415.6 389.3 358.0 325.4 313.9 307.7 291.0 307.6 340.4 65 70 391.7 408.8 401.5 428.8 391.0 356.2 320.2 301.1 303.8 288.7 312.9 345.9 70 75 379.8 387.9 398.6 436.0 387.6 349.4 317.3 288.6 302.8 289.6 326.1 347.0 75 80 377.5 357.5 400.1 439.7 383.0 337.6 313.3 277.6 306.1 290.1 338.4 342.8 80 85 392.3 328.1 407.5 443.2 380.8 323.8 305.4 267.6 309.8 287.3 343.9 336.7 85 90 410.0 310.2 414.6 446.0 381.0 314.3 298.0 261.0 311.3 283.6 344.1 332.9 1995 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 271.6 277.8 256.1 259.1 233.2 222.4 253.7 262.0 172.5 181.5 214.4 294.7 -85 -80 276.1 273.2 256.7 258.2 244.4 233.4 256.0 249.0 164.0 157.1 203.9 271.9 -80 -75 282.7 270.3 261.5 262.8 261.4 251.3 261.3 232.8 158.1 140.2 195.2 251.1 -75 -70 289.9 276.1 274.0 277.4 277.9 270.2 270.3 227.2 168.8 161.7 203.5 254.9 -70 -65 297.2 289.0 292.3 296.9 290.4 285.1 282.1 240.6 203.4 224.6 234.5 281.4 -65 -60 303.1 299.7 308.4 309.4 298.2 293.9 294.1 269.3 255.3 298.9 277.7 308.0 -60 -55 304.2 300.2 313.4 307.1 300.6 298.0 304.3 299.4 305.7 345.2 312.2 316.0 -55 -50 299.2 292.2 305.7 293.9 296.9 299.2 312.2 317.8 337.4 354.4 325.2 307.8 -50 -45 291.0 283.5 292.1 280.8 288.2 298.0 317.7 322.2 347.8 347.4 321.9 296.8 -45 -40 284.2 277.4 280.8 274.3 278.4 293.1 318.1 318.0 343.1 341.1 314.4 290.1 -40 -35 280.2 271.8 274.0 272.6 270.5 284.1 309.4 309.0 328.5 332.8 307.2 286.0 -35 -30 276.2 265.3 269.2 270.0 264.5 272.8 292.9 296.2 308.9 317.1 297.9 280.5 -30 -25 269.4 259.2 263.4 263.1 258.3 262.1 274.4 281.5 291.0 298.8 285.9 273.4 -25 -20 260.4 254.9 256.3 254.5 251.7 255.1 260.6 269.0 279.1 285.2 274.0 266.5 -20 -15 252.8 252.1 251.1 248.9 247.5 252.4 254.0 262.0 272.2 277.0 265.1 260.1 -15 -10 249.8 250.7 251.1 249.2 248.4 253.7 253.4 260.4 267.8 271.1 260.0 254.4 -10 -5 251.2 251.8 255.8 254.0 253.3 257.5 256.1 261.8 265.8 266.6 257.5 250.6 -5 0 252.8 254.3 260.3 258.3 258.3 261.4 259.8 262.9 265.5 264.2 255.5 249.0 0 5 250.1 254.5 259.4 258.9 260.7 263.5 262.2 261.8 265.1 262.5 252.0 247.6 5 10 242.7 250.0 253.8 256.3 261.4 263.6 263.3 260.0 263.3 259.8 248.0 244.4 10 15 234.9 243.3 249.2 254.2 263.8 263.9 264.4 260.5 261.9 257.7 246.8 241.3 15 20 231.6 239.9 250.5 256.9 270.0 267.0 267.5 264.7 263.6 258.7 249.9 243.0 20 25 235.8 245.7 259.6 266.9 279.4 274.4 273.5 270.8 268.1 262.7 256.0 252.3 25 30 248.6 262.8 275.9 283.8 290.8 286.2 281.6 277.3 274.4 267.0 264.4 267.0 30 35 269.7 288.2 297.3 304.2 304.2 300.4 290.6 283.8 281.6 270.4 275.6 283.9 35 40 296.7 314.3 320.9 324.6 320.4 314.8 299.7 290.9 288.5 275.0 288.9 301.7 40 45 322.9 334.7 343.0 342.7 338.2 326.9 308.8 299.0 294.7 282.7 301.1 318.8 45 50 340.7 349.7 360.6 358.0 353.6 334.8 318.3 306.3 299.9 291.5 308.6 330.0 50 55 345.7 361.9 372.1 369.7 362.1 338.0 326.9 310.5 302.1 295.5 311.3 328.2 55 60 341.5 370.3 377.8 375.8 363.8 338.1 330.7 309.8 299.1 291.4 310.7 315.0 60 65 335.6 372.3 380.6 377.3 363.4 337.4 327.9 304.7 291.5 284.4 308.0 303.5 65 70 333.5 368.7 384.1 379.1 364.9 337.4 321.2 298.6 284.4 282.6 304.0 305.3 70 75 336.7 365.8 389.1 384.7 368.2 338.4 313.4 293.1 281.1 286.5 301.1 318.5 75 80 343.6 369.4 394.0 392.8 370.6 338.1 305.0 286.1 279.0 288.2 301.8 330.6 80 85 351.1 378.3 397.0 399.9 370.5 335.8 295.6 276.7 274.3 282.4 305.6 333.5 85 90 356.3 385.6 397.8 403.4 369.4 333.6 288.5 269.3 269.0 274.7 309.3 331.1 1996 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 265.3 254.5 248.2 235.1 236.7 225.2 240.6 212.7 198.7 199.4 240.6 285.5 -85 -80 263.5 254.2 246.9 233.4 237.3 231.8 242.2 208.6 179.2 172.2 223.6 280.1 -80 -75 264.2 256.8 250.2 237.0 240.8 244.5 247.4 202.8 161.1 151.2 204.2 273.0 -75 -70 271.0 266.1 263.2 250.5 249.1 261.8 256.9 202.3 167.3 169.9 201.4 269.9 -70 -65 282.7 280.8 282.1 270.1 261.5 278.8 268.5 216.4 206.8 234.4 226.5 275.2 -65 -60 292.6 292.6 295.3 285.7 275.1 290.8 278.8 248.9 267.7 315.2 273.2 288.8 -60 -55 294.2 294.1 294.5 290.8 286.2 297.3 287.0 291.5 322.7 368.2 317.8 303.5 -55 -50 288.4 286.8 283.4 287.1 292.3 300.9 296.9 326.9 352.5 377.6 339.4 310.7 -50 -45 281.7 278.3 272.6 280.7 291.4 302.9 309.9 342.5 359.8 362.9 337.6 307.1 -45 -40 278.2 273.9 268.1 275.1 284.0 301.9 319.8 338.2 355.1 345.8 326.2 297.1 -40 -35 275.9 272.1 267.3 270.4 273.6 295.1 318.4 322.1 341.8 330.5 315.1 287.2 -35 -30 270.8 268.4 264.8 266.3 264.3 283.4 304.3 303.5 321.2 313.6 305.5 280.3 -30 -25 262.2 261.9 258.6 262.7 258.0 270.0 284.6 286.9 299.4 297.8 295.1 274.9 -25 -20 253.7 255.0 251.6 259.0 253.7 258.3 268.0 273.4 283.1 287.0 283.9 269.2 -20 -15 249.2 250.8 247.5 254.8 250.2 250.4 257.5 263.1 273.0 280.2 273.6 263.7 -15 -10 248.9 249.8 247.9 251.3 247.9 246.8 251.9 256.8 266.6 274.2 266.4 260.0 -10 -5 249.7 250.5 250.8 249.9 248.7 247.3 250.8 256.1 262.5 268.6 262.8 258.8 -5 0 248.4 249.7 252.6 250.2 252.9 250.9 254.3 259.7 260.3 264.6 261.1 257.5 0 5 244.3 246.0 251.5 251.0 258.1 255.3 260.5 263.2 259.8 261.3 258.3 253.4 5 10 239.8 242.5 250.5 252.5 262.5 259.9 266.6 263.9 260.1 257.8 254.2 246.0 10 15 239.2 243.8 253.8 257.5 266.8 265.8 270.1 263.6 261.0 255.7 250.6 238.8 15 20 244.8 251.5 262.6 268.8 274.1 273.8 271.8 266.0 262.2 257.0 249.2 236.0 20 25 256.4 264.5 274.8 285.3 285.7 283.0 274.8 271.6 263.9 261.1 249.5 239.9 25 30 273.2 282.6 289.7 302.2 299.3 291.5 281.2 278.3 268.4 265.9 252.2 250.7 30 35 295.2 307.4 309.1 317.9 313.0 299.7 290.5 284.7 277.2 271.1 260.4 267.9 35 40 321.6 337.8 334.8 335.5 328.3 310.7 300.7 291.1 288.4 278.6 275.6 290.0 40 45 346.6 367.6 363.2 357.7 347.9 326.3 311.4 299.4 298.8 289.3 294.2 312.9 45 50 361.6 387.9 385.2 379.4 368.9 343.0 323.0 309.6 306.8 300.6 310.1 330.2 50 55 360.9 392.4 393.3 389.1 382.7 353.4 333.2 317.6 311.3 306.9 319.8 337.8 55 60 348.4 381.1 389.6 385.1 383.9 354.6 336.8 318.8 310.2 305.0 322.5 337.9 60 65 334.0 360.7 384.4 380.7 377.7 351.1 330.9 313.2 302.7 298.3 320.0 336.1 65 70 325.9 340.4 384.7 389.8 373.6 349.4 319.5 305.4 291.8 293.6 314.8 335.9 70 75 325.8 328.2 386.0 406.0 374.0 349.2 310.0 297.8 282.1 292.3 309.6 337.0 75 80 330.1 326.4 378.0 407.8 373.6 345.0 305.4 288.0 274.5 289.3 307.1 337.8 80 85 334.5 330.6 359.1 387.6 368.7 335.0 303.7 275.1 267.1 281.1 307.5 337.7 85 90 336.9 334.9 342.2 364.9 363.1 325.7 303.0 265.0 261.4 272.9 308.7 337.2 1997 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 279.0 256.1 254.4 247.6 272.1 254.6 290.5 227.4 167.6 187.1 219.7 293.7 -85 -80 277.1 266.2 253.0 244.2 279.8 263.2 296.0 226.0 164.3 166.5 222.0 286.4 -80 -75 277.2 277.0 255.5 245.9 289.6 274.3 300.9 227.4 169.1 150.5 227.8 281.0 -75 -70 283.2 282.0 265.3 259.4 295.1 281.2 300.9 237.8 194.5 164.9 239.8 285.6 -70 -65 295.0 284.3 279.1 281.4 295.2 283.3 299.0 260.2 242.6 215.8 259.6 297.6 -65 -60 306.0 290.2 288.5 299.3 293.7 285.0 299.8 288.6 296.4 281.4 283.2 307.4 -60 -55 308.7 298.4 288.2 302.1 292.8 289.2 303.0 311.0 330.5 325.3 301.5 309.3 -55 -50 301.3 301.2 281.5 291.1 290.1 293.5 303.3 319.7 336.7 334.1 308.7 305.3 -50 -45 288.6 293.8 275.2 276.3 282.9 293.1 297.6 316.5 329.3 325.0 307.1 299.9 -45 -40 277.0 280.3 271.6 266.2 271.8 287.4 288.7 307.6 322.6 317.6 302.5 294.6 -40 -35 269.6 268.6 268.7 262.5 261.5 278.4 280.2 296.0 315.5 313.5 296.9 287.4 -35 -30 265.6 262.1 264.9 261.0 255.1 268.0 271.5 282.5 301.9 304.3 289.8 278.5 -30 -25 262.2 259.0 260.9 257.9 251.8 257.1 260.6 268.6 283.7 289.4 282.1 270.8 -25 -20 257.6 256.1 258.1 253.5 249.7 247.3 249.3 257.2 269.2 275.9 276.2 266.3 -20 -15 252.7 253.4 256.9 251.1 248.7 242.6 244.1 251.1 263.6 269.4 272.8 263.6 -15 -10 250.3 253.4 257.9 253.1 250.7 246.2 248.4 252.1 265.6 269.7 270.3 259.9 -10 -5 252.6 256.2 261.5 258.7 256.2 256.5 259.3 259.3 271.1 273.3 267.3 255.4 -5 0 257.0 257.6 265.3 264.1 263.3 267.8 269.1 268.6 275.4 275.6 263.0 252.1 0 5 257.4 253.5 265.5 266.3 268.7 274.0 272.0 273.9 276.0 273.9 257.2 250.6 5 10 251.5 246.0 261.0 265.8 271.0 274.6 269.8 273.0 273.7 269.6 251.8 249.7 10 15 243.0 240.5 255.3 266.2 271.8 273.6 268.9 269.7 271.2 266.3 249.9 248.6 15 20 238.4 240.9 253.9 270.6 274.3 275.9 272.3 269.0 269.9 266.3 252.7 248.9 20 25 241.7 247.9 260.3 279.7 280.7 282.4 278.6 272.3 270.1 268.5 258.8 253.4 25 30 253.6 262.3 274.7 292.7 290.5 291.7 285.9 277.3 272.5 272.0 266.7 264.5 30 35 274.9 285.9 295.4 309.3 302.9 303.2 294.6 282.9 277.6 277.8 277.2 282.5 35 40 306.0 317.2 319.9 329.4 318.5 316.9 305.7 290.5 284.7 285.6 289.8 304.8 40 45 340.9 349.6 346.3 350.9 337.0 332.5 317.7 301.8 292.2 293.4 302.1 325.2 45 50 365.5 376.2 371.5 369.0 355.7 346.1 327.5 314.1 299.7 299.2 311.2 335.9 50 55 369.1 393.2 389.5 377.4 369.9 353.8 332.5 320.3 306.5 302.6 315.3 333.9 55 60 357.4 399.4 395.8 375.9 377.4 354.8 332.7 316.9 308.5 303.9 314.3 324.9 60 65 349.9 393.4 390.4 372.0 381.1 352.7 330.7 308.5 303.0 303.7 308.3 319.5 65 70 356.5 375.7 375.5 372.2 384.8 351.9 328.2 304.0 294.2 302.9 300.1 325.8 70 75 365.6 351.8 350.0 373.2 389.6 352.3 323.2 306.1 290.5 301.3 295.1 342.8 75 80 358.0 329.5 312.8 364.9 393.5 351.5 312.8 308.2 294.8 297.9 297.9 362.9 80 85 331.1 315.0 270.8 346.1 395.1 348.0 297.8 304.7 302.3 292.3 306.9 379.2 85 90 306.1 308.8 241.4 329.4 394.8 344.5 286.2 299.3 307.0 287.3 314.9 387.9 1998 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 262.8 262.8 268.0 289.9 252.9 266.1 263.9 259.8 154.4 181.8 211.4 241.0 -85 -80 264.4 264.6 268.2 279.8 258.3 284.6 258.6 255.1 155.0 156.8 192.5 245.3 -80 -75 266.8 266.1 269.4 270.3 265.8 299.7 257.2 244.8 155.8 140.3 182.9 251.2 -75 -70 270.8 267.2 273.0 271.5 272.2 292.2 269.3 234.7 162.8 165.0 208.4 257.2 -70 -65 278.6 269.6 279.5 282.6 277.1 268.0 294.5 237.4 186.7 234.9 265.3 265.4 -65 -60 289.4 273.5 286.2 292.8 281.5 252.7 321.0 261.3 231.9 316.1 320.9 277.8 -60 -55 297.3 276.0 288.4 293.4 284.8 263.1 335.1 298.2 286.2 362.9 343.7 291.0 -55 -50 297.3 275.0 284.4 285.9 285.8 289.0 334.5 327.4 326.8 364.4 334.6 297.8 -50 -45 290.2 272.7 277.5 277.8 283.7 307.2 327.7 336.4 343.6 347.4 318.9 295.9 -45 -40 282.0 271.9 272.2 272.9 280.1 306.3 321.7 330.6 343.8 336.0 313.0 290.1 -40 -35 276.2 272.1 269.3 269.5 276.1 293.4 314.7 320.7 336.3 330.0 312.5 286.0 -35 -30 270.8 269.5 265.8 264.7 271.1 279.8 302.7 310.0 323.5 319.6 307.0 284.3 -30 -25 263.2 262.5 259.6 258.4 263.8 269.1 286.5 296.4 306.1 304.2 295.5 282.2 -25 -20 254.2 253.6 252.0 253.5 256.1 260.1 271.6 281.3 288.8 290.2 283.9 277.7 -20 -15 247.3 247.2 247.0 251.5 251.4 253.5 263.2 270.5 277.3 281.4 276.2 272.6 -15 -10 245.1 246.3 247.4 251.9 251.4 251.6 260.9 267.3 273.8 276.6 271.8 268.7 -10 -5 246.4 249.2 251.6 253.6 254.4 254.5 261.7 269.3 274.9 274.5 268.9 265.9 -5 0 246.9 250.6 254.4 255.1 257.7 258.2 263.2 270.1 274.3 273.3 265.9 262.1 0 5 244.3 247.7 253.2 256.7 260.5 259.9 264.5 266.7 269.2 270.5 261.0 256.5 5 10 240.2 243.4 250.8 259.3 263.5 261.5 266.6 262.8 264.4 265.6 254.5 250.2 10 15 238.7 243.4 252.2 264.1 268.2 266.6 270.4 263.9 266.1 261.4 249.1 244.9 15 20 242.4 250.2 259.8 272.3 275.8 275.6 275.7 270.7 272.8 261.1 247.8 241.6 20 25 251.5 263.2 272.8 285.5 287.0 285.9 282.1 279.3 277.6 264.2 249.9 241.7 25 30 266.3 281.5 291.1 304.4 302.8 296.7 290.0 287.1 278.8 268.8 253.8 247.6 30 35 288.6 305.2 316.3 327.4 322.3 310.2 299.1 294.7 281.6 274.6 260.8 262.9 35 40 318.4 331.2 347.3 351.1 342.9 327.8 308.6 303.0 290.4 282.7 275.0 286.6 40 45 349.2 354.7 378.4 372.9 361.0 346.4 318.6 311.2 302.2 293.4 297.8 313.0 45 50 370.9 374.4 401.6 391.9 375.5 360.4 330.2 318.2 310.1 304.1 322.2 334.3 50 55 377.2 390.8 413.8 407.5 387.4 367.3 341.9 324.2 311.5 310.5 337.0 347.0 55 60 372.2 401.8 418.4 418.2 396.3 368.6 348.2 328.5 309.7 311.3 336.1 354.1 60 65 365.6 402.5 421.4 425.3 400.8 367.4 344.6 328.4 310.5 310.8 324.8 359.8 65 70 365.2 393.9 426.0 432.5 402.4 365.6 335.5 323.8 315.4 314.8 312.7 366.1 70 75 374.7 387.3 429.8 441.2 408.6 364.9 330.8 317.5 319.3 323.2 304.3 374.3 75 80 392.5 394.8 429.3 449.2 426.4 366.4 335.6 312.8 314.7 328.9 296.4 386.7 80 85 412.2 415.5 424.5 453.1 452.5 370.0 346.1 310.2 300.3 327.0 286.4 402.3 85 90 425.7 433.5 419.9 453.6 472.4 373.0 354.0 309.0 286.9 322.1 278.0 414.1 1999 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 260.1 252.1 246.9 245.8 266.9 248.6 281.1 244.2 149.9 158.4 218.7 287.3 -85 -80 262.2 251.8 252.5 255.9 270.3 260.2 282.8 236.1 157.0 155.6 196.9 269.0 -80 -75 266.2 255.5 261.3 266.4 274.8 276.0 283.7 225.5 165.6 153.9 180.7 249.5 -75 -70 272.6 266.9 270.9 270.3 279.4 287.6 283.4 222.5 176.9 162.8 196.6 247.7 -70 -65 281.4 282.4 279.8 271.1 285.8 293.5 284.8 236.9 200.0 192.7 245.3 268.5 -65 -60 290.0 292.1 285.4 275.5 293.9 297.0 290.6 268.4 240.3 244.0 300.3 299.1 -60 -55 293.6 288.6 284.4 282.2 299.0 299.7 298.9 303.2 288.1 297.8 332.2 319.8 -55 -50 289.5 276.1 277.2 283.2 295.5 299.2 304.2 323.7 322.8 329.7 335.7 320.8 -50 -45 280.6 266.2 269.4 276.2 284.0 294.3 303.6 324.8 334.0 335.9 327.5 307.8 -45 -40 272.5 264.4 266.4 268.9 272.5 287.6 298.9 315.5 329.6 330.3 321.1 293.1 -40 -35 269.2 267.0 267.6 267.5 267.3 282.1 292.4 304.9 321.1 323.9 315.3 283.9 -35 -30 269.6 267.8 267.5 268.3 265.7 276.2 284.4 294.8 311.6 315.9 305.1 279.1 -30 -25 269.5 265.2 262.4 263.5 261.5 266.3 274.0 283.1 299.4 303.5 291.9 274.2 -25 -20 266.7 261.3 255.1 253.4 254.0 254.1 263.0 270.6 285.4 289.4 280.6 266.9 -20 -15 262.4 259.3 251.3 247.2 249.4 246.6 256.1 262.0 274.0 278.9 272.5 259.1 -15 -10 260.2 260.7 253.2 251.2 252.8 249.5 257.0 260.8 270.3 275.3 266.3 254.4 -10 -5 261.7 264.5 257.9 260.6 262.4 260.2 264.3 266.8 274.3 276.6 262.6 254.0 -5 0 263.6 266.8 260.4 266.0 271.1 270.5 271.9 275.5 280.0 277.0 262.5 255.7 0 5 260.8 263.8 259.7 264.8 274.1 273.6 274.3 281.0 281.0 273.1 264.1 256.4 5 10 252.3 256.1 258.5 263.2 273.7 271.0 272.2 281.2 276.9 267.8 264.4 254.7 10 15 243.1 247.6 258.6 266.3 274.7 270.0 271.1 279.3 273.4 266.3 263.1 252.7 15 20 238.9 242.9 258.5 272.5 279.6 275.2 275.1 279.4 273.9 269.1 262.3 253.1 20 25 242.1 245.5 258.7 279.2 287.4 284.9 282.4 282.6 276.7 272.3 263.5 257.2 25 30 252.3 258.8 265.6 289.7 297.4 295.1 289.4 287.8 279.6 273.6 267.4 265.5 30 35 270.0 284.4 286.2 310.1 311.2 305.7 296.1 293.7 283.8 275.9 274.2 279.1 35 40 295.9 318.3 320.2 339.0 330.7 319.4 305.2 299.2 290.1 281.7 283.7 298.3 40 45 326.9 351.5 357.8 366.8 353.1 336.8 317.9 304.5 297.0 289.9 295.0 319.9 45 50 354.1 376.4 389.5 385.4 371.7 353.0 330.4 310.6 302.0 298.6 306.5 336.1 50 55 369.9 393.0 414.4 396.9 382.5 361.1 336.8 316.6 303.8 306.8 315.7 341.1 55 60 378.0 407.6 435.8 407.4 388.0 358.6 335.1 319.1 301.6 311.1 321.2 337.5 60 65 389.2 424.4 452.4 415.8 393.2 350.6 330.4 315.1 296.0 307.5 322.8 334.0 65 70 405.9 441.0 457.8 417.3 398.6 345.2 328.6 306.4 290.1 297.3 321.0 334.7 70 75 416.4 449.1 449.9 414.2 400.8 346.9 328.2 297.7 287.4 288.6 315.5 335.4 75 80 407.7 442.9 435.7 415.1 396.7 354.1 321.6 291.8 287.3 289.2 304.8 330.4 80 85 381.9 426.1 424.3 424.4 388.3 362.0 307.0 288.2 286.5 298.0 290.6 319.8 85 90 359.2 411.6 419.0 434.1 381.6 366.7 294.0 286.0 284.8 306.2 280.0 310.7 2000 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 261.3 251.3 235.2 251.8 262.6 244.5 265.4 255.8 167.9 206.2 361.4 297.8 -85 -80 266.3 256.3 244.0 250.0 269.9 250.1 264.6 235.1 163.8 188.4 317.6 299.6 -80 -75 274.0 261.4 255.4 253.9 281.0 259.7 267.0 214.5 157.4 170.0 272.9 301.6 -75 -70 282.2 264.9 264.3 268.8 290.7 270.5 275.2 214.7 157.2 170.7 267.9 303.8 -70 -65 290.3 269.9 271.1 288.9 295.3 278.9 286.1 238.5 176.2 200.4 303.9 308.7 -65 -60 296.1 278.5 277.4 300.6 294.3 284.2 294.1 270.5 221.2 251.6 346.3 316.2 -60 -55 296.2 285.1 280.7 296.1 290.3 289.4 297.8 293.6 279.7 302.1 361.3 320.0 -55 -50 290.0 283.1 277.0 281.6 286.2 296.8 301.7 306.4 325.7 332.2 348.4 314.2 -50 -45 281.6 273.9 268.3 269.5 283.4 303.7 309.6 318.2 344.4 340.2 330.2 300.8 -45 -40 275.9 266.0 261.6 265.9 281.4 303.9 316.9 329.8 342.4 336.1 319.1 288.2 -40 -35 273.4 264.2 260.7 267.4 278.9 295.2 315.5 331.1 331.6 326.1 310.5 281.8 -35 -30 271.1 265.2 262.0 267.4 274.2 281.7 303.8 316.3 317.3 313.1 299.1 279.3 -30 -25 266.4 263.6 260.4 263.1 267.3 269.7 287.6 294.3 301.1 299.9 287.7 274.8 -25 -20 260.5 258.3 255.6 257.6 259.8 262.1 273.5 277.1 285.6 288.1 279.5 266.9 -20 -15 256.2 253.9 252.5 254.7 254.6 258.1 263.8 268.4 274.2 276.9 272.0 259.1 -15 -10 254.5 254.1 253.9 255.0 253.7 256.3 258.1 264.7 268.6 266.2 261.7 254.0 -10 -5 253.9 257.0 257.2 256.4 256.2 256.9 257.4 262.9 266.6 258.3 251.4 250.5 -5 0 252.9 257.1 258.0 256.5 260.0 259.5 261.5 262.8 263.5 255.0 246.1 247.3 0 5 251.6 253.1 256.0 256.0 263.6 263.1 266.9 263.9 258.0 255.0 246.2 245.6 5 10 251.4 250.1 255.7 258.1 267.2 266.5 270.3 265.0 254.7 256.2 248.5 246.5 10 15 253.5 253.0 260.3 265.0 272.6 270.2 271.8 266.3 258.9 257.8 250.9 248.6 15 20 257.2 260.2 267.6 276.3 280.3 276.0 274.8 269.3 268.4 259.9 252.8 249.4 20 25 262.1 268.4 275.3 289.7 289.5 284.3 281.1 275.4 276.0 262.2 253.9 250.2 25 30 270.9 279.0 287.0 303.4 298.8 293.0 288.9 283.5 278.8 264.7 254.5 256.9 30 35 288.3 297.3 307.9 317.4 308.9 301.1 295.7 291.2 280.6 268.9 259.1 274.0 35 40 314.5 323.8 335.9 332.8 322.4 310.3 301.7 296.9 285.7 276.3 273.6 298.3 40 45 341.8 351.2 361.2 349.8 339.7 323.5 310.4 302.0 293.7 286.4 297.5 322.0 45 50 358.8 372.6 376.5 366.0 356.6 338.6 322.5 307.4 301.1 296.8 318.4 340.6 50 55 361.3 388.0 384.9 377.2 367.7 349.4 331.7 310.8 304.5 304.3 322.5 355.9 55 60 355.5 399.2 392.2 380.9 372.5 352.2 331.0 309.4 301.6 305.0 313.0 367.3 60 65 349.5 401.9 396.9 381.6 375.9 350.0 322.9 304.2 293.9 298.0 310.2 365.7 65 70 344.6 388.9 392.5 387.6 381.4 348.1 316.9 298.9 286.5 287.3 327.7 344.6 70 75 336.7 360.6 379.9 402.0 385.4 345.8 318.4 294.2 285.2 277.9 355.0 314.2 75 80 323.7 328.1 369.3 419.3 382.2 337.8 323.0 285.3 289.7 271.7 368.3 295.9 80 85 308.9 303.6 367.9 431.7 372.1 323.5 324.1 270.9 295.2 267.5 357.5 299.6 85 90 299.0 291.9 371.4 436.7 363.1 311.3 322.1 258.8 298.0 264.8 340.0 311.4 2001 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 266.0 251.3 238.4 276.0 249.2 295.4 299.1 254.2 162.1 179.8 235.2 261.1 -85 -80 273.3 254.9 245.9 269.7 253.3 293.3 295.4 246.7 148.8 163.7 215.0 258.9 -80 -75 282.7 261.2 257.0 264.4 259.7 290.0 289.3 236.8 142.4 149.5 202.4 260.0 -75 -70 289.9 270.3 268.7 267.6 266.7 287.6 285.1 234.4 163.6 159.1 223.6 269.7 -70 -65 295.5 282.1 279.7 279.5 274.6 289.6 289.3 248.6 216.6 203.3 277.9 286.6 -65 -60 301.0 292.8 287.7 292.3 284.1 298.1 303.1 279.5 281.5 269.7 335.2 303.2 -60 -55 304.2 295.8 288.8 295.8 292.6 309.8 318.9 313.9 326.8 325.7 361.8 311.4 -55 -50 301.1 288.6 281.5 288.2 295.9 317.4 326.9 335.2 340.9 348.3 353.7 309.7 -50 -45 291.5 276.3 271.0 276.7 291.9 316.1 324.7 337.8 339.9 346.2 334.2 303.4 -45 -40 280.7 266.6 264.7 269.7 283.6 306.7 317.4 328.8 340.3 339.7 321.7 297.5 -40 -35 273.4 262.8 264.4 268.6 275.3 293.2 309.2 316.0 339.2 334.6 315.6 293.0 -35 -30 269.8 262.4 265.5 268.2 268.4 279.1 298.6 302.2 327.1 324.4 307.2 288.1 -30 -25 266.7 260.9 262.9 263.8 261.8 265.7 282.8 287.1 305.5 306.5 295.3 281.7 -25 -20 262.5 256.7 256.4 256.7 254.9 254.6 264.8 272.3 285.0 287.8 284.9 275.0 -20 -15 258.1 252.2 251.3 252.4 249.5 247.8 251.7 261.2 272.6 276.2 278.8 270.4 -15 -10 254.5 250.9 251.1 253.3 247.5 246.4 247.9 256.3 267.8 272.6 275.5 268.2 -10 -5 251.5 253.7 254.5 256.8 249.4 249.4 252.4 257.8 267.3 272.1 272.5 266.4 -5 0 247.1 256.3 256.7 258.7 253.8 254.0 259.7 262.8 267.4 269.3 268.5 262.7 0 5 241.3 254.5 255.5 259.1 259.7 258.7 265.2 267.5 267.0 263.2 263.1 255.9 5 10 237.8 249.8 254.2 262.2 266.7 264.1 269.0 270.3 267.4 258.2 257.1 247.6 10 15 240.0 247.7 256.8 270.4 274.1 270.5 273.4 272.5 269.7 258.5 252.8 241.0 15 20 247.4 251.1 264.3 281.3 282.0 277.6 278.9 276.1 272.5 262.3 251.7 238.7 20 25 256.6 258.6 275.8 291.4 291.3 285.3 284.6 281.3 274.2 265.6 254.0 241.8 25 30 267.2 270.0 291.7 301.2 303.2 294.4 290.7 288.1 275.5 267.9 259.6 251.4 30 35 283.3 288.2 312.8 315.0 318.2 305.9 298.5 295.3 279.8 272.8 269.1 268.1 35 40 308.7 316.6 336.8 336.1 334.6 319.5 308.3 301.2 288.1 280.9 281.7 291.1 40 45 339.0 352.6 359.9 362.0 349.0 333.8 319.0 305.4 298.6 290.0 294.1 315.6 45 50 362.4 386.3 381.9 385.7 360.0 346.7 328.5 309.9 307.7 298.8 302.9 333.6 50 55 371.0 406.6 404.4 400.8 368.7 356.3 335.3 315.5 312.1 307.1 307.4 340.2 55 60 371.5 411.2 423.9 407.0 377.6 360.8 336.7 318.8 310.1 311.6 309.2 337.9 60 65 377.0 409.3 431.7 409.4 386.9 358.7 331.4 315.6 303.0 306.0 310.5 333.6 65 70 390.7 414.5 425.5 413.7 394.2 352.6 323.8 306.8 296.3 290.1 313.0 332.4 70 75 402.2 434.8 417.2 420.4 398.0 348.7 321.0 298.6 294.0 274.4 316.8 334.2 75 80 399.7 466.7 423.9 425.5 399.3 352.2 326.3 295.0 294.1 270.2 320.6 337.1 80 85 383.7 498.0 448.3 426.4 400.4 362.0 336.1 295.2 292.2 277.5 323.0 339.5 85 90 368.6 516.9 471.1 424.9 401.4 370.5 343.4 296.3 289.1 286.1 323.9 340.9 2002 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 264.3 254.1 233.1 239.3 247.0 217.2 277.0 259.9 267.1 240.6 354.6 303.4 -85 -80 268.9 258.2 243.6 246.0 259.9 232.5 283.0 259.1 253.8 245.3 353.1 303.5 -80 -75 276.3 264.3 257.8 258.5 278.2 257.6 291.2 250.7 237.2 257.8 347.7 304.7 -75 -70 284.3 271.1 269.2 273.7 292.9 282.8 298.7 237.3 233.1 282.7 339.3 307.8 -70 -65 291.0 279.2 277.0 286.4 299.3 299.1 305.3 235.5 252.9 318.3 333.9 312.5 -65 -60 294.8 286.3 283.5 292.1 299.3 303.9 311.8 261.4 294.2 352.2 335.0 316.7 -60 -55 294.6 288.1 287.4 290.5 297.4 302.7 317.2 308.1 338.7 369.5 337.3 318.3 -55 -50 291.0 283.4 285.3 285.5 295.4 302.1 319.6 346.0 364.6 366.2 332.6 315.3 -50 -45 285.6 276.8 277.8 280.1 292.3 302.8 318.1 352.6 365.8 351.1 321.6 307.3 -45 -40 280.5 273.6 269.7 275.3 286.8 299.7 312.5 334.3 351.6 334.7 312.0 296.3 -40 -35 276.3 273.2 265.0 270.7 278.5 289.7 302.7 311.9 332.4 319.8 306.4 286.2 -35 -30 273.0 271.6 263.4 266.3 267.8 275.7 288.6 296.3 313.0 304.8 300.6 279.4 -30 -25 270.4 267.1 261.2 261.6 256.3 263.0 272.0 283.8 295.4 290.5 290.3 275.3 -25 -20 268.1 262.3 257.3 256.8 247.1 254.7 257.3 270.1 281.0 278.7 277.4 271.1 -20 -15 265.7 260.7 255.4 253.5 243.9 250.6 249.3 259.0 270.9 269.8 267.3 265.2 -15 -10 263.3 263.0 258.4 254.6 247.9 250.6 250.1 256.5 266.2 264.6 262.8 258.9 -10 -5 262.2 266.2 264.9 260.5 256.3 254.7 257.4 262.6 266.6 263.7 261.7 254.8 -5 0 262.1 266.5 268.6 267.2 264.4 261.4 265.7 269.9 268.7 265.3 259.6 252.8 0 5 260.4 262.8 265.3 269.9 268.6 267.6 270.0 271.5 268.5 265.6 255.4 250.7 5 10 254.6 257.3 258.0 267.7 269.3 270.5 270.1 268.5 266.3 263.4 252.0 247.5 10 15 246.4 252.3 253.2 265.0 269.6 271.6 270.0 267.2 265.4 262.2 253.1 245.4 15 20 240.3 249.1 254.6 267.4 273.3 274.6 273.0 270.9 267.4 264.7 257.6 247.5 20 25 241.3 250.5 262.0 276.3 282.0 282.1 278.9 276.9 271.1 269.2 262.4 254.7 25 30 252.1 261.0 275.1 289.9 295.3 293.2 286.5 283.2 275.7 272.8 267.9 266.3 30 35 271.5 281.7 294.7 306.7 312.4 306.2 295.3 290.7 282.4 276.1 278.1 283.7 35 40 295.6 305.9 319.9 328.2 332.3 321.0 306.0 300.9 291.3 281.9 293.6 308.5 40 45 319.8 327.1 346.7 355.1 352.2 337.6 317.8 311.7 300.9 292.1 309.3 337.6 45 50 340.4 348.0 370.4 380.6 367.5 351.3 328.0 319.3 308.6 305.2 319.7 359.4 50 55 357.0 373.9 389.3 394.4 374.9 355.8 333.1 321.8 311.9 316.2 323.8 362.6 55 60 371.3 396.1 404.7 396.5 375.8 352.0 332.6 319.1 309.1 318.9 322.2 349.5 60 65 384.7 398.7 418.2 401.1 376.1 349.5 330.2 312.8 301.0 311.3 313.2 334.5 65 70 398.3 384.5 430.1 420.9 380.6 355.2 330.1 305.0 292.6 297.5 297.1 328.4 70 75 412.2 386.5 441.1 449.0 389.2 365.6 330.8 297.7 288.4 282.6 281.2 327.4 75 80 426.2 438.7 452.4 463.8 397.5 368.7 326.7 291.4 287.6 268.7 275.4 320.2 80 85 439.2 530.6 463.5 455.8 402.6 359.7 316.2 286.0 286.4 255.9 281.6 304.1 85 90 447.6 604.0 470.7 441.1 404.5 348.7 306.6 282.5 284.4 247.4 290.3 289.4 2003 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 259.7 258.6 252.8 293.2 255.9 275.8 253.0 258.4 172.3 194.7 253.7 281.0 -85 -80 270.3 263.5 258.1 284.0 263.4 276.6 262.6 243.3 164.1 181.9 248.7 283.6 -80 -75 282.4 272.1 267.9 271.7 274.1 278.9 276.2 225.4 155.3 173.0 248.1 287.7 -75 -70 289.3 283.2 280.0 264.2 283.5 283.1 287.5 220.7 158.4 188.1 263.7 292.7 -70 -65 293.5 295.0 290.2 265.7 290.5 289.0 294.1 236.8 185.0 234.9 298.3 299.4 -65 -60 300.1 302.9 293.7 274.3 296.6 295.6 297.4 267.9 235.1 298.9 337.7 307.3 -60 -55 307.0 302.5 288.9 282.9 301.0 301.5 300.9 298.4 291.6 348.7 359.2 311.9 -55 -50 306.0 294.2 279.7 284.7 300.0 304.6 306.9 317.0 331.0 364.6 353.5 308.6 -50 -45 295.4 283.8 272.6 279.0 292.1 302.8 313.9 324.5 344.9 356.0 333.7 298.9 -45 -40 282.5 276.4 270.5 271.2 281.1 295.5 317.4 326.3 342.3 341.8 318.0 289.4 -40 -35 274.4 272.4 270.8 266.0 272.1 285.3 312.9 323.0 332.6 329.3 311.1 285.5 -35 -30 271.0 269.6 269.2 263.7 267.3 276.6 300.0 311.5 319.0 315.3 306.1 285.9 -30 -25 267.1 266.8 264.2 261.5 264.5 271.0 283.9 293.4 303.1 298.9 296.8 284.5 -25 -20 260.6 263.4 257.6 257.7 261.3 266.8 270.4 275.5 287.5 283.5 284.1 277.7 -20 -15 254.4 259.6 252.5 253.8 257.7 261.7 262.3 263.7 275.0 272.7 272.4 268.3 -15 -10 251.5 255.4 250.7 251.8 254.6 256.0 258.5 259.2 267.6 267.3 264.4 261.6 -10 -5 250.9 251.1 250.8 252.0 252.5 252.7 256.8 259.5 265.5 264.9 259.3 259.7 -5 0 249.2 246.5 250.5 253.3 252.0 254.5 256.3 261.8 265.9 262.4 255.2 258.6 0 5 245.4 242.3 249.3 255.7 254.5 260.9 257.9 264.5 265.8 258.0 251.2 253.7 5 10 242.2 240.9 249.7 260.8 261.2 268.8 262.7 267.7 265.7 253.9 248.5 244.9 10 15 242.7 244.4 254.7 268.9 271.6 275.7 270.6 272.7 268.4 254.4 248.3 237.3 15 20 246.7 252.4 264.6 278.8 283.6 281.8 279.1 279.0 273.2 259.4 249.5 236.2 20 25 253.5 263.9 278.2 289.4 295.1 289.1 286.1 284.4 276.7 265.2 251.0 243.1 25 30 266.8 281.9 296.1 302.0 306.5 298.5 292.0 288.4 278.1 269.7 254.8 256.4 30 35 291.1 310.5 319.9 318.8 319.6 309.3 299.2 292.5 281.0 274.7 264.9 273.9 35 40 324.9 347.7 347.9 339.4 335.7 320.1 309.7 298.6 288.4 282.3 281.2 294.0 40 45 356.7 383.0 373.9 361.6 352.9 331.0 322.7 306.9 298.0 292.5 299.3 313.4 45 50 374.7 403.9 391.6 383.1 368.3 342.6 335.0 315.3 305.1 302.7 315.8 326.8 50 55 379.5 407.1 399.4 401.6 380.7 354.0 342.8 320.8 306.6 309.3 329.2 331.3 55 60 382.6 400.0 401.7 414.9 390.4 362.6 342.8 320.9 303.9 308.1 334.8 330.2 60 65 390.7 392.1 405.3 421.9 397.6 366.3 336.1 316.6 301.5 297.4 325.4 329.6 65 70 398.3 389.8 414.9 423.6 401.6 365.6 328.2 311.4 303.6 281.6 300.6 331.6 70 75 396.2 393.4 430.7 422.6 401.6 362.8 323.2 307.8 308.7 268.3 271.9 333.3 75 80 383.1 399.7 449.8 420.7 398.5 359.1 320.7 303.5 310.3 262.0 254.8 330.8 80 85 366.5 404.7 467.2 418.9 395.3 355.3 318.4 296.8 304.5 261.4 254.4 324.7 85 90 355.7 407.1 477.3 417.6 393.5 352.6 316.1 291.1 297.1 262.4 260.8 319.6 2004 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 265.7 249.3 246.3 252.8 347.4 250.8 235.3 246.8 172.7 223.0 239.4 284.2 -85 -80 264.2 258.4 254.5 249.6 332.2 255.5 250.0 249.1 171.7 215.9 237.4 287.2 -80 -75 267.4 270.2 265.5 249.8 309.5 261.3 270.4 249.1 173.2 213.3 241.7 290.2 -75 -70 279.5 279.0 275.0 259.3 290.7 266.0 286.8 247.1 185.1 229.8 261.3 291.7 -70 -65 295.6 283.7 282.8 276.6 282.9 272.2 296.7 250.4 214.1 270.3 294.5 294.3 -65 -60 305.3 285.0 288.3 292.0 284.7 282.7 302.9 265.7 256.8 320.1 325.6 300.1 -60 -55 303.6 283.4 288.3 295.5 287.9 295.0 308.1 289.8 298.3 353.0 336.4 305.6 -55 -50 295.4 279.3 280.8 286.6 285.8 301.8 311.0 309.9 323.2 355.9 326.3 305.6 -50 -45 288.1 274.5 269.9 273.3 278.7 298.9 309.2 316.3 329.0 341.4 311.9 299.3 -45 -40 283.1 271.2 263.1 263.9 271.9 289.2 302.3 310.3 323.5 328.1 306.0 292.0 -40 -35 278.3 269.3 262.9 259.9 268.2 278.2 292.1 298.8 313.4 319.4 304.9 287.8 -35 -30 272.3 266.8 263.9 257.4 264.9 267.8 280.3 286.1 301.0 307.7 298.1 284.8 -30 -25 266.6 262.9 260.6 253.2 259.0 256.8 268.0 272.7 288.1 290.0 283.9 279.1 -25 -20 262.4 258.8 254.3 248.3 251.9 247.2 257.0 260.0 275.9 273.0 271.3 271.4 -20 -15 259.8 256.6 251.6 246.9 248.7 244.0 250.9 251.5 265.6 264.1 267.2 266.1 -15 -10 258.5 257.2 256.0 251.9 252.3 249.7 252.4 251.1 259.7 264.0 269.6 264.8 -10 -5 258.3 259.0 262.9 261.3 260.5 260.3 260.4 258.9 261.3 267.1 270.9 263.8 -5 0 255.9 258.2 264.5 269.6 268.5 268.3 269.1 269.9 268.5 267.6 266.7 259.1 0 5 247.4 252.6 258.7 273.1 273.3 269.5 272.6 277.3 275.6 264.5 259.1 251.8 5 10 235.3 244.7 251.3 272.0 275.3 267.5 270.8 277.9 278.0 262.5 254.3 247.6 10 15 228.4 239.2 249.1 269.8 276.3 268.9 270.3 275.2 276.0 265.0 255.6 250.0 15 20 233.6 238.9 253.3 270.8 278.4 276.2 276.2 274.7 273.6 270.1 260.0 256.0 20 25 248.8 245.0 262.0 278.4 283.4 287.0 286.7 278.6 274.0 273.5 263.3 261.5 25 30 265.3 260.1 276.0 293.2 293.7 298.3 295.8 286.1 277.9 275.4 265.5 266.9 30 35 280.6 286.0 298.2 312.6 310.6 309.3 301.2 294.7 284.5 279.1 270.2 277.5 35 40 303.0 319.3 327.2 333.0 331.8 321.2 305.8 302.4 290.8 285.3 278.7 296.5 40 45 338.4 353.2 356.8 352.6 351.8 333.8 314.4 308.4 295.4 290.9 289.9 318.4 45 50 373.8 381.9 382.7 372.0 367.2 345.6 326.4 313.2 299.4 294.8 303.0 333.2 50 55 385.0 403.2 404.4 390.5 378.0 354.5 334.1 316.0 302.8 299.2 315.4 337.6 55 60 368.9 414.9 420.9 403.0 386.7 358.9 331.9 314.0 302.2 302.6 317.8 338.4 60 65 354.1 415.5 428.1 405.8 393.6 358.2 323.9 306.7 295.6 299.3 300.4 341.6 65 70 369.9 410.0 425.5 401.8 397.4 354.0 319.8 298.2 287.7 286.9 269.9 342.8 70 75 413.1 413.7 424.9 400.2 398.2 351.0 323.8 293.7 287.2 272.9 251.6 332.0 75 80 453.8 439.1 441.5 408.1 398.5 352.5 330.5 294.6 296.1 267.3 268.7 306.2 80 85 470.2 479.8 474.8 422.6 400.2 358.1 332.4 297.6 307.6 271.5 316.3 274.8 85 90 469.2 511.2 503.1 433.9 402.3 363.2 330.7 299.6 314.7 277.8 358.2 253.3 2005 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 265.9 257.3 241.3 243.1 277.9 265.6 282.2 201.2 178.9 186.0 274.0 269.7 -85 -80 266.6 258.9 248.7 241.1 276.6 270.3 271.6 200.1 168.2 180.2 270.2 274.9 -80 -75 269.2 264.1 261.1 242.1 277.1 277.9 259.3 196.4 155.4 178.1 267.4 284.5 -75 -70 275.7 274.1 274.8 251.2 281.3 285.6 255.8 194.6 155.0 193.1 273.5 296.7 -70 -65 286.4 284.1 285.6 267.3 286.8 290.6 265.3 207.0 180.1 233.8 293.1 308.1 -65 -60 296.9 286.3 289.8 282.1 290.2 292.9 283.3 242.0 232.3 291.8 320.3 314.3 -60 -55 300.0 278.0 286.2 286.9 291.4 295.1 301.4 290.0 293.4 340.5 339.0 312.9 -55 -50 293.8 267.4 278.2 281.4 292.6 299.4 313.8 328.8 337.0 359.4 339.1 305.8 -50 -45 284.5 264.1 271.8 272.9 293.5 304.2 319.4 343.9 353.5 353.6 327.0 298.5 -45 -40 279.3 268.1 269.5 267.9 290.3 304.9 317.7 339.3 352.1 341.3 315.7 294.8 -40 -35 277.6 271.5 268.2 266.7 281.0 298.0 308.1 325.7 341.8 331.2 309.4 293.7 -35 -30 273.9 268.0 263.9 264.9 269.2 285.0 292.7 308.4 325.2 320.2 303.5 290.4 -30 -25 265.6 260.3 257.0 259.5 260.3 270.5 276.8 289.6 304.7 304.8 293.4 282.2 -25 -20 257.1 254.2 251.3 252.6 256.7 259.1 265.0 272.9 285.5 288.1 280.4 271.9 -20 -15 253.8 252.3 249.6 248.5 255.7 251.8 258.1 262.6 272.3 275.3 269.2 263.8 -15 -10 256.0 252.4 250.4 248.5 253.6 247.7 254.4 259.3 265.7 267.3 261.8 259.3 -10 -5 258.1 251.1 250.2 250.4 250.5 246.2 252.8 258.6 263.0 261.5 256.1 256.0 -5 0 255.5 248.0 248.3 251.6 249.0 247.0 253.3 256.2 260.4 254.8 249.5 252.3 0 5 249.7 245.4 247.9 253.0 251.5 250.2 255.9 253.1 256.9 247.4 242.3 248.0 5 10 246.8 246.4 252.0 256.8 257.4 255.8 260.8 254.5 256.1 244.7 238.9 244.1 10 15 250.0 251.5 259.9 264.1 265.3 263.3 267.9 262.6 260.7 250.1 242.1 241.5 15 20 257.1 258.3 267.7 273.8 275.8 272.1 276.1 273.1 268.1 259.7 249.0 240.8 20 25 265.1 265.9 274.9 286.2 290.2 282.7 283.9 280.5 273.7 266.6 254.7 244.2 25 30 275.7 278.2 287.7 303.2 307.5 295.5 290.7 285.1 277.4 269.4 258.9 255.9 30 35 294.0 301.0 311.8 324.4 324.0 309.5 297.6 291.2 282.6 272.3 266.8 277.4 35 40 320.0 333.6 343.3 345.1 337.1 322.3 306.6 299.5 290.0 278.3 280.9 304.1 40 45 343.4 366.6 369.3 359.9 347.2 332.2 318.0 306.5 296.0 285.6 296.7 326.6 45 50 353.9 387.3 382.3 370.3 356.2 339.3 329.2 310.2 298.9 291.6 308.2 338.5 50 55 353.7 390.3 387.4 381.7 364.6 344.6 334.9 312.1 299.8 296.4 315.4 341.2 55 60 356.9 377.6 393.3 395.8 370.9 348.3 333.1 312.7 299.2 299.2 322.5 340.2 60 65 372.4 355.1 401.0 407.9 375.3 349.7 327.7 308.3 295.4 295.7 329.0 335.8 65 70 390.1 329.8 405.4 414.1 380.0 348.6 324.4 297.0 288.9 282.8 326.7 326.3 70 75 390.1 308.6 405.2 417.8 386.0 347.8 323.2 282.8 284.8 263.5 308.0 315.8 75 80 363.3 296.1 405.7 426.0 392.1 349.3 318.0 272.4 285.6 244.3 273.7 312.9 80 85 321.6 291.7 411.1 439.8 396.0 352.8 306.5 268.0 289.0 230.2 234.8 320.7 85 90 290.4 291.5 417.4 451.0 397.6 355.6 295.9 267.6 291.4 223.1 208.7 330.3 2006 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 265.4 275.5 255.6 252.8 271.9 241.9 292.1 222.9 164.4 171.4 206.3 289.9 -85 -80 271.3 274.1 266.2 261.6 280.5 247.5 300.2 218.5 154.7 154.4 191.8 280.9 -80 -75 278.2 272.1 281.3 272.9 291.2 255.6 304.6 213.4 147.5 144.5 185.3 272.0 -75 -70 283.2 271.5 293.8 280.6 296.7 263.6 297.2 215.4 158.0 166.1 208.1 273.5 -70 -65 287.9 274.1 299.8 284.1 295.2 271.3 283.4 231.3 194.9 222.9 259.3 287.3 -65 -60 294.8 277.4 298.6 286.1 290.1 280.2 276.5 258.8 250.3 290.9 312.8 305.2 -60 -55 301.0 276.0 292.4 287.5 285.1 289.4 282.5 285.0 299.9 335.6 340.7 314.8 -55 -50 300.6 269.4 284.4 285.9 281.1 294.9 293.8 298.0 324.5 345.4 339.8 311.1 -50 -45 292.4 263.5 277.3 279.9 277.0 293.9 298.9 298.8 327.2 337.4 328.0 300.1 -45 -40 281.6 263.8 272.3 272.6 273.2 287.6 294.9 297.0 322.4 328.4 318.8 290.1 -40 -35 273.7 268.4 268.5 267.4 270.1 278.8 285.9 295.9 316.0 318.2 310.1 283.3 -35 -30 269.9 270.2 263.9 263.6 265.6 269.1 275.2 290.7 305.1 302.2 296.4 276.4 -30 -25 267.1 265.2 258.0 258.3 258.3 258.8 263.1 278.0 289.5 283.8 281.3 267.6 -25 -20 262.5 256.8 252.0 251.2 249.3 249.7 252.0 262.9 275.2 270.3 271.6 259.2 -20 -15 256.7 251.2 248.8 245.9 243.2 244.9 246.7 254.3 267.2 263.7 268.3 253.9 -15 -10 251.9 251.1 250.0 246.2 243.9 246.8 250.1 256.4 266.5 260.9 266.7 251.0 -10 -5 249.2 253.0 254.2 251.0 250.8 253.7 259.6 265.6 270.5 260.3 263.0 247.9 -5 0 247.5 251.3 257.4 255.9 259.4 261.3 269.3 274.3 275.0 262.3 258.8 244.9 0 5 245.1 244.7 256.4 257.7 266.3 266.5 274.2 277.8 277.3 266.1 257.4 245.2 5 10 242.2 238.7 253.2 258.5 270.8 269.6 275.9 277.9 277.7 269.9 259.4 249.2 10 15 240.8 238.5 252.3 261.9 274.9 273.0 278.7 279.1 278.1 271.9 262.6 253.4 15 20 242.4 243.2 256.6 269.8 281.4 278.7 283.7 282.8 278.7 272.3 264.7 254.5 20 25 248.5 249.7 267.1 282.3 291.9 287.5 289.5 286.8 279.6 272.9 266.0 254.8 25 30 260.7 260.0 284.3 299.0 306.0 299.4 295.4 290.4 282.7 275.8 269.8 261.4 30 35 280.6 281.5 308.6 318.6 321.4 313.8 302.5 295.1 290.0 280.9 279.3 278.5 35 40 307.7 317.1 337.1 338.8 336.1 328.5 311.4 302.4 298.0 286.3 292.8 300.8 40 45 336.0 358.4 364.1 357.0 349.2 339.9 320.6 311.4 302.5 290.4 304.5 317.6 45 50 357.4 390.8 385.4 374.1 362.5 346.4 328.3 319.8 303.8 294.8 311.6 324.2 50 55 366.3 408.4 402.7 392.5 377.7 349.7 334.1 325.0 305.7 301.2 317.8 327.2 55 60 362.8 419.4 420.6 411.6 392.2 353.1 337.2 324.6 307.5 306.4 328.2 332.3 60 65 352.4 434.2 438.4 426.4 400.4 357.8 336.7 317.5 303.6 304.7 343.3 334.3 65 70 343.2 451.9 446.5 432.3 398.8 362.4 332.9 306.7 292.0 295.4 358.9 325.4 70 75 344.9 462.6 431.5 429.1 390.6 366.0 327.6 297.7 278.9 284.5 372.2 308.9 75 80 362.7 458.0 389.6 421.3 383.4 368.2 322.0 293.0 270.6 278.4 383.2 298.9 80 85 390.2 441.1 334.9 413.8 381.8 369.1 316.8 291.4 267.9 277.2 391.8 303.4 85 90 411.4 426.1 295.8 409.5 383.6 369.1 313.4 290.9 267.6 277.7 396.5 313.1 2007 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 267.2 258.3 239.5 249.1 222.4 255.2 320.3 244.5 191.3 210.1 212.7 269.2 -85 -80 271.1 265.6 251.8 253.4 229.9 263.0 300.2 228.1 177.6 195.4 215.3 268.7 -80 -75 274.8 273.3 266.5 260.2 246.0 273.7 279.0 208.4 165.6 184.1 223.9 274.0 -75 -70 276.2 276.4 274.1 267.4 267.8 281.6 275.8 203.0 173.0 196.3 243.6 288.5 -70 -65 277.8 276.0 273.8 273.7 286.4 283.9 291.4 222.9 207.8 238.3 275.8 307.1 -65 -60 281.6 275.5 271.2 277.9 293.7 283.5 310.2 263.8 261.8 296.0 312.0 319.9 -60 -55 284.6 275.5 269.6 279.6 290.1 286.4 318.3 307.4 312.6 342.4 336.8 320.9 -55 -50 282.4 274.7 267.5 278.4 284.5 294.4 318.6 335.4 342.3 361.4 342.4 313.1 -50 -45 276.2 272.8 264.7 274.3 282.9 303.5 321.2 343.5 350.7 359.0 335.8 303.3 -45 -40 271.1 270.9 263.1 268.9 282.3 306.7 326.1 338.8 345.8 348.1 327.9 295.0 -40 -35 268.9 268.6 262.8 263.5 276.6 300.7 322.5 327.2 332.2 334.2 321.9 288.2 -35 -30 266.9 263.9 261.1 258.5 265.6 288.6 305.8 310.5 313.2 318.1 313.4 282.0 -30 -25 261.7 256.8 256.1 254.1 255.2 275.5 283.4 291.5 295.2 302.3 300.2 276.6 -25 -20 254.7 250.0 250.3 250.6 250.3 264.2 265.5 275.0 282.7 288.8 284.8 272.0 -20 -15 249.5 247.1 247.9 248.4 249.4 255.0 255.1 264.0 273.7 276.1 271.4 267.3 -15 -10 247.0 248.5 249.6 247.1 248.1 247.8 249.6 258.7 265.0 264.2 262.3 262.0 -10 -5 244.7 250.7 251.3 246.7 245.9 244.2 247.1 257.0 257.6 255.8 256.9 256.6 -5 0 241.6 249.9 249.6 247.9 246.0 245.5 248.5 257.0 254.7 252.6 253.9 252.2 0 5 239.7 246.2 246.2 252.4 251.3 251.7 253.9 257.8 257.5 253.2 251.9 248.9 5 10 241.6 244.7 247.0 260.8 260.3 260.4 261.0 260.1 263.4 255.3 251.6 245.7 10 15 246.8 249.5 253.9 270.8 269.6 269.0 267.0 264.9 268.8 258.6 253.9 243.3 15 20 252.0 259.0 263.2 280.5 278.3 276.9 272.3 271.9 271.9 262.9 257.2 243.0 20 25 257.0 270.1 273.1 291.6 289.7 285.9 280.1 279.5 273.9 266.1 258.9 247.0 25 30 266.7 283.9 288.1 308.2 305.8 297.4 291.2 286.8 278.1 267.4 260.2 256.9 30 35 287.5 304.4 313.6 331.0 323.9 310.5 301.9 293.7 285.1 269.0 266.1 274.1 35 40 317.6 331.6 346.5 353.5 338.7 322.4 308.7 299.4 291.6 274.6 278.7 298.2 40 45 346.3 359.6 375.0 367.7 347.3 332.2 313.1 304.4 295.0 284.9 294.3 323.3 45 50 363.6 382.7 392.4 373.2 353.3 341.1 320.0 309.8 297.9 295.1 306.3 339.4 50 55 369.1 399.1 403.1 377.0 361.7 350.1 329.8 315.2 303.5 298.2 312.3 340.3 55 60 368.2 408.0 412.9 384.7 373.5 357.1 336.3 317.7 308.6 291.7 315.5 332.3 60 65 362.6 408.9 419.0 394.8 384.9 358.2 333.1 314.0 306.2 282.9 320.2 328.9 65 70 350.8 408.4 418.3 402.0 391.4 353.5 323.0 305.7 295.6 282.6 328.3 337.7 70 75 337.5 421.7 419.6 404.2 391.8 348.7 314.4 298.1 283.8 295.9 339.7 353.1 75 80 333.6 460.3 438.6 403.6 388.1 348.8 311.3 294.5 276.8 316.7 353.1 363.9 80 85 342.5 514.1 475.2 403.7 384.0 353.7 312.1 293.7 274.5 334.2 365.6 365.4 85 90 353.7 553.8 506.5 404.2 381.4 358.4 313.1 293.6 273.9 342.8 373.3 362.5 2008 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 272.8 259.8 272.4 292.6 332.5 310.8 298.2 303.4 167.4 173.5 209.5 255.7 -85 -80 274.3 262.8 273.9 276.8 316.7 313.2 288.4 267.7 152.9 162.9 194.1 248.7 -80 -75 278.2 269.4 277.8 264.5 296.6 313.9 278.2 228.4 145.6 157.9 186.5 245.9 -75 -70 285.2 279.0 283.9 271.6 284.8 308.9 276.3 217.8 166.5 175.7 207.6 257.6 -70 -65 293.5 287.3 289.1 292.2 285.5 299.4 283.2 241.6 216.6 218.9 255.5 280.4 -65 -60 298.8 288.7 288.6 305.3 292.7 291.6 292.5 278.8 274.5 272.5 305.6 300.6 -60 -55 297.1 282.5 280.8 299.5 297.3 290.5 298.8 304.8 313.3 314.5 332.1 307.5 -55 -50 289.9 274.9 270.4 284.5 295.3 294.3 302.5 314.9 327.4 334.3 332.9 302.3 -50 -45 281.6 271.9 264.2 275.0 288.2 296.3 304.9 320.3 330.9 337.7 324.3 293.6 -45 -40 275.7 272.7 263.8 273.5 279.0 292.2 302.3 324.9 331.7 332.1 316.4 286.3 -40 -35 271.7 271.9 265.1 272.4 269.4 282.3 291.8 320.1 325.2 319.0 307.1 280.4 -35 -30 267.7 266.8 264.1 266.6 260.7 270.0 277.5 302.1 308.9 301.7 293.4 275.0 -30 -25 263.3 260.2 260.4 259.4 253.6 258.4 266.3 280.4 290.1 287.6 279.6 271.4 -25 -20 259.2 255.7 256.8 255.5 249.2 249.3 260.6 265.6 277.3 279.9 271.6 270.0 -20 -15 255.9 253.1 255.6 254.9 247.7 244.2 257.4 259.3 270.0 274.3 267.4 268.1 -15 -10 253.7 251.8 256.2 255.2 249.5 245.1 255.4 256.9 265.1 267.2 262.3 262.4 -10 -5 252.4 252.4 257.2 256.4 255.3 252.6 257.4 257.4 264.3 261.5 255.9 254.3 -5 0 251.7 254.3 257.5 260.1 264.2 263.5 265.6 262.8 269.1 261.1 251.9 248.9 0 5 250.6 255.1 257.1 265.6 272.6 272.7 275.7 271.7 275.2 263.5 252.1 249.2 5 10 248.5 253.1 257.1 269.3 276.5 276.6 280.8 278.4 276.7 263.9 253.4 252.3 10 15 246.5 249.3 257.5 269.1 275.1 276.7 279.5 279.5 273.5 262.1 252.9 253.2 15 20 247.4 247.2 258.9 269.0 273.6 277.7 278.2 278.3 271.3 262.1 251.5 251.3 20 25 253.8 251.6 264.2 275.9 279.1 283.8 283.7 280.9 274.6 267.1 252.9 252.2 25 30 266.6 266.3 278.4 292.3 293.8 295.2 294.8 288.8 282.3 275.5 260.4 262.3 30 35 285.3 291.0 302.4 312.9 313.2 308.2 304.8 297.2 289.4 283.0 273.7 281.6 35 40 307.5 319.3 329.1 331.2 330.6 319.1 309.5 300.5 292.4 287.1 288.9 303.0 40 45 329.8 342.5 350.1 346.4 343.0 327.0 312.3 300.5 293.8 288.9 301.7 318.1 45 50 348.9 357.4 364.4 362.9 352.2 333.2 318.0 302.6 297.3 291.6 309.7 325.2 50 55 361.5 366.7 378.6 381.1 361.1 339.3 325.1 308.4 302.0 295.6 312.4 329.3 55 60 364.6 373.2 396.3 395.4 369.3 344.7 327.3 312.7 302.4 298.2 307.4 333.3 60 65 357.8 377.5 411.3 402.2 374.4 346.8 323.5 310.5 296.8 298.1 294.9 334.5 65 70 345.5 380.8 415.2 404.4 375.0 345.2 319.3 304.0 290.4 297.7 283.8 330.9 70 75 336.6 385.6 408.5 407.0 373.2 342.3 317.6 297.2 286.8 299.7 288.6 328.7 75 80 338.1 394.0 400.5 409.4 371.8 340.1 314.1 290.4 281.7 302.7 316.8 337.1 80 85 348.8 403.9 398.1 409.0 371.9 339.4 305.2 282.4 271.3 303.2 358.5 356.6 85 90 359.0 410.7 399.7 406.9 372.5 339.4 296.6 275.9 261.5 301.8 389.8 374.1 2009 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 266.3 247.5 231.8 265.1 267.6 284.1 270.0 256.9 171.4 214.8 192.5 239.0 -85 -80 268.9 247.8 239.1 249.3 269.6 273.2 261.6 239.6 158.4 193.8 210.9 252.4 -80 -75 272.9 254.7 252.2 238.1 269.5 262.0 256.9 218.6 151.1 181.3 231.8 272.1 -75 -70 278.4 271.7 268.1 249.3 265.1 261.4 266.6 211.5 168.9 206.3 242.4 289.9 -70 -65 286.8 291.3 281.8 277.6 261.0 272.3 287.8 228.5 217.1 270.8 244.8 302.7 -65 -60 296.1 299.8 287.8 299.6 264.8 286.7 306.7 265.5 280.2 344.1 252.5 311.2 -60 -55 299.4 292.1 284.7 298.7 278.0 297.3 313.2 306.3 330.9 387.0 273.9 315.9 -55 -50 292.7 278.1 276.0 282.1 292.1 302.5 311.3 334.5 354.4 389.8 300.5 314.8 -50 -45 280.6 269.4 268.1 268.2 296.2 303.1 310.4 344.4 357.2 373.1 316.3 306.8 -45 -40 271.3 267.0 264.1 265.2 287.8 298.9 312.0 339.8 349.6 355.1 315.7 294.5 -40 -35 267.5 264.1 262.2 266.7 274.8 289.6 309.2 326.4 334.7 336.1 305.2 282.3 -35 -30 264.9 258.0 259.7 264.4 265.4 277.8 298.8 308.8 315.1 313.7 295.0 273.4 -30 -25 259.6 253.1 256.1 258.0 261.4 268.0 285.0 291.6 297.8 293.0 289.4 267.6 -25 -20 253.3 252.5 252.9 252.9 258.7 261.9 273.1 278.0 287.0 279.3 284.0 262.8 -20 -15 249.5 253.5 251.4 251.7 254.4 257.6 264.0 267.9 279.1 270.8 273.9 257.0 -15 -10 248.6 252.0 251.8 253.1 250.1 253.2 256.5 260.1 269.1 263.8 261.3 249.8 -10 -5 248.4 248.3 253.1 255.1 249.2 250.1 252.1 255.4 258.8 258.1 253.2 242.6 -5 0 247.9 245.5 254.2 257.8 253.8 251.0 252.7 255.3 254.0 255.9 251.7 238.3 0 5 249.1 244.3 254.7 262.0 261.8 256.3 257.8 259.3 257.3 256.9 252.0 238.9 5 10 252.7 243.9 256.2 267.3 269.5 263.9 264.8 265.4 265.3 259.3 251.2 243.4 10 15 255.7 244.3 260.0 272.5 275.4 272.1 271.8 271.8 272.5 262.5 252.7 248.5 15 20 256.0 247.8 266.5 278.1 281.7 280.7 279.5 278.0 276.4 266.5 259.5 252.1 20 25 257.0 257.7 276.5 287.1 291.2 290.7 288.4 284.2 277.9 269.9 268.1 256.1 25 30 267.2 276.9 292.0 302.7 304.1 301.9 297.3 290.7 280.8 271.6 272.4 265.3 30 35 290.3 304.7 314.6 323.6 318.3 313.2 304.3 297.2 287.1 273.6 273.5 283.7 35 40 318.1 336.3 341.2 344.6 332.0 323.7 310.3 302.2 294.8 279.5 279.2 310.0 40 45 337.3 366.2 365.7 361.6 344.9 333.9 318.3 306.2 300.8 289.9 293.4 338.3 45 50 347.5 392.4 384.8 374.4 357.3 343.3 328.5 310.6 304.3 300.5 308.7 361.7 50 55 362.1 415.7 400.2 384.5 368.7 349.2 335.6 315.0 305.1 304.7 312.7 376.4 55 60 385.7 436.7 414.6 393.3 378.0 350.2 334.5 317.0 301.9 301.7 306.0 379.9 60 65 402.0 455.2 427.2 401.3 384.7 348.4 327.4 314.3 295.1 298.4 303.7 369.5 65 70 391.1 470.7 435.8 409.6 389.8 347.7 321.5 308.1 288.9 300.8 316.9 348.3 70 75 356.4 479.9 439.1 416.0 395.4 348.5 317.4 300.5 287.1 303.5 336.8 328.6 75 80 324.1 480.2 439.1 416.5 401.7 346.6 308.5 292.0 287.6 295.4 343.2 324.5 80 85 312.8 472.9 438.7 410.5 407.7 340.3 292.2 282.7 286.2 274.7 329.1 337.9 85 90 315.9 465.2 438.5 403.8 411.6 334.1 278.0 275.9 283.4 255.8 311.1 353.4 2010 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 260.2 248.7 253.9 268.7 247.0 258.3 261.8 295.5 184.0 197.9 213.8 257.1 -85 -80 265.9 258.0 256.6 267.6 248.1 264.1 261.6 273.9 174.7 187.3 205.2 253.7 -80 -75 276.8 269.0 263.2 270.3 256.4 274.4 265.9 249.2 173.1 184.6 207.5 254.8 -75 -70 290.7 275.9 273.3 279.9 273.7 285.8 277.1 242.1 196.0 207.7 236.1 266.0 -70 -65 303.3 279.6 283.4 292.4 292.4 293.6 290.4 259.7 243.5 256.7 284.7 283.0 -65 -60 309.8 283.2 288.0 298.9 301.4 296.2 298.3 292.3 296.9 310.2 326.7 295.8 -60 -55 307.6 286.2 285.3 294.4 298.4 296.8 301.0 322.6 333.8 341.1 340.8 299.2 -55 -50 299.9 285.3 278.8 283.5 292.2 300.5 305.5 339.9 349.3 344.5 333.1 297.2 -50 -45 291.3 279.8 274.0 274.9 290.3 306.9 314.7 342.9 352.1 336.8 324.4 295.6 -45 -40 283.8 272.1 271.7 272.3 291.1 310.2 320.3 333.7 346.3 330.5 322.7 294.8 -40 -35 276.6 264.9 268.7 272.2 288.1 305.1 312.5 314.9 329.4 323.9 320.1 292.1 -35 -30 270.0 259.5 263.1 269.4 279.3 292.8 293.2 292.9 305.2 312.8 309.7 286.1 -30 -25 264.9 255.8 256.8 262.6 268.5 278.1 273.7 275.8 285.4 299.3 295.7 279.5 -25 -20 261.3 253.2 252.6 255.0 259.5 264.8 261.3 266.3 275.5 287.9 287.1 275.1 -20 -15 256.4 250.3 251.0 249.9 252.0 254.4 254.8 260.8 270.2 279.0 284.7 272.3 -15 -10 248.2 246.1 249.7 248.1 244.8 248.3 250.2 256.2 264.6 272.0 283.7 269.5 -10 -5 239.4 240.7 247.5 248.2 240.5 248.2 248.3 254.8 262.1 269.5 281.1 266.8 -5 0 234.8 235.6 245.9 249.3 242.4 253.5 252.2 259.5 266.9 273.2 277.8 264.9 0 5 236.1 233.8 247.2 252.1 250.6 260.1 261.3 267.8 275.8 279.0 274.6 263.7 5 10 240.1 237.3 252.0 257.2 260.7 264.6 270.4 273.7 280.4 280.8 270.4 261.1 10 15 244.0 245.0 258.6 264.5 269.0 268.0 275.7 275.4 278.1 276.7 265.4 256.3 15 20 247.7 254.3 265.0 273.2 277.3 274.6 279.3 277.2 274.3 270.7 262.0 252.3 20 25 254.8 265.7 273.4 285.7 290.5 287.5 285.7 283.2 275.7 267.8 262.4 253.3 25 30 270.5 285.1 289.5 305.1 309.4 303.9 295.7 292.0 282.3 270.4 267.4 262.0 30 35 297.2 317.2 316.4 330.9 329.8 319.0 306.5 298.8 289.6 277.6 276.2 278.6 35 40 331.0 355.7 349.5 357.6 347.3 330.9 315.5 301.8 294.7 286.6 287.5 301.2 40 45 362.4 386.0 379.6 379.4 362.1 341.7 324.3 305.3 299.3 294.9 299.7 326.1 45 50 380.7 402.1 402.2 395.0 376.3 352.8 334.9 313.6 306.6 302.3 312.7 347.6 50 55 381.6 412.3 419.9 407.1 388.9 362.0 343.3 323.6 313.7 308.5 324.5 359.0 55 60 370.1 424.2 433.8 416.4 395.9 366.4 343.5 327.3 314.0 311.6 330.0 357.2 60 65 355.3 433.3 439.9 420.6 396.0 367.0 335.8 321.7 307.3 309.7 324.8 344.2 65 70 346.1 430.3 435.7 419.9 393.8 367.4 327.7 312.2 301.6 304.1 311.4 326.6 70 75 348.4 416.4 428.0 418.4 395.2 368.1 325.2 304.8 301.8 298.1 299.1 312.2 75 80 362.1 404.8 427.9 420.7 401.7 365.5 325.2 298.0 302.8 292.3 295.5 305.5 80 85 380.6 404.1 438.5 426.6 409.9 358.1 322.5 289.2 297.8 286.1 299.8 306.3 85 90 393.9 408.8 449.8 431.7 415.2 351.0 318.6 281.9 290.9 281.2 305.1 309.3 2011 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 258.1 256.0 259.1 245.3 261.3 216.4 212.6 255.3 149.1 151.8 237.6 286.6 -85 -80 263.4 256.3 260.3 242.9 269.4 230.7 234.2 241.1 147.4 151.3 222.6 271.6 -80 -75 272.0 262.3 264.2 247.2 279.4 254.1 260.8 225.3 150.1 156.8 205.7 259.0 -75 -70 282.6 278.1 272.6 263.7 286.6 278.4 276.3 223.1 166.3 177.4 203.2 264.5 -70 -65 294.6 297.9 284.4 285.5 291.3 296.7 279.0 241.7 201.6 216.0 223.8 286.0 -65 -60 304.5 308.8 294.4 298.2 295.9 305.7 280.6 274.8 250.8 264.4 261.2 306.1 -60 -55 306.0 303.3 295.6 294.9 299.0 307.2 292.0 306.2 298.5 306.5 297.0 311.7 -55 -50 297.0 288.5 287.7 283.2 296.5 305.8 310.5 324.9 331.0 331.8 316.8 306.1 -50 -45 284.9 277.1 277.8 274.3 288.5 304.8 324.2 332.1 345.8 342.1 321.6 299.4 -45 -40 278.1 273.9 271.9 271.1 280.6 303.3 324.0 332.5 346.3 343.1 320.2 295.2 -40 -35 277.0 273.6 269.8 269.5 276.7 297.8 310.9 326.2 334.9 335.5 315.7 290.7 -35 -30 275.1 270.7 267.5 265.8 274.1 287.2 293.0 311.1 315.8 319.8 307.0 285.6 -30 -25 268.1 266.3 262.5 260.8 267.9 274.1 277.5 291.5 297.6 302.5 295.9 284.0 -25 -20 259.0 263.4 257.2 256.9 258.6 263.7 267.0 275.8 286.8 289.8 286.6 287.4 -20 -15 254.1 262.9 255.6 254.9 251.8 258.8 260.9 268.2 281.9 282.0 280.9 289.0 -15 -10 255.5 263.4 258.4 255.0 250.8 258.5 257.8 266.7 278.5 276.1 275.9 280.0 -10 -5 258.8 263.6 262.2 257.3 253.5 259.4 257.5 266.5 274.3 270.2 268.5 261.0 -5 0 259.9 263.1 263.7 261.0 256.3 259.7 259.1 265.3 269.6 264.9 259.2 244.1 0 5 259.2 261.5 263.0 264.2 259.4 260.6 261.7 263.5 265.8 261.2 252.5 239.9 5 10 258.8 259.1 262.6 265.5 265.6 264.5 265.1 263.4 264.2 260.1 252.5 246.8 10 15 258.8 257.1 264.1 266.9 275.0 271.7 269.6 266.3 265.9 262.2 258.8 254.1 15 20 256.6 256.8 267.3 273.0 284.3 280.1 275.1 271.3 270.3 265.9 265.9 255.0 20 25 253.4 260.7 273.6 286.0 290.6 287.7 281.1 277.2 275.1 268.4 268.6 254.1 25 30 257.9 272.8 288.1 303.0 296.6 295.0 288.1 283.9 279.1 269.3 268.3 260.9 30 35 278.7 295.7 312.9 318.0 306.9 303.6 295.9 290.7 281.9 271.3 271.1 277.9 35 40 314.1 326.2 341.2 328.4 322.6 314.1 303.3 295.3 283.3 276.6 279.7 296.5 40 45 348.7 356.3 362.2 337.3 339.3 325.5 308.9 296.4 284.5 283.5 289.7 306.4 45 50 367.5 379.1 372.9 348.8 353.4 336.8 312.6 296.9 288.2 289.7 297.1 309.4 50 55 370.8 393.4 380.2 362.2 365.4 346.6 315.5 300.0 295.3 294.0 303.3 317.3 55 60 369.9 401.2 387.3 376.0 376.4 352.7 317.2 304.3 300.2 297.3 311.7 333.4 60 65 370.8 402.5 387.0 392.5 382.3 352.2 316.5 303.9 296.8 300.6 320.3 345.0 65 70 368.1 394.4 372.6 414.9 378.4 345.1 313.5 296.8 287.2 305.0 323.5 337.3 70 75 356.8 373.7 352.0 438.4 368.2 336.6 309.2 287.2 279.3 309.8 318.7 313.1 75 80 341.1 341.8 342.2 450.1 361.8 332.4 304.2 280.2 278.1 312.8 309.3 290.5 80 85 328.6 307.8 349.7 444.7 364.9 333.9 298.6 277.1 280.7 311.8 300.4 282.3 85 90 323.1 285.8 362.0 434.3 371.2 336.9 294.4 276.2 282.7 309.5 295.4 284.2 2012 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 281.1 262.8 251.2 234.0 277.0 245.2 256.2 263.5 177.3 250.3 315.1 306.3 -85 -80 278.9 262.9 256.3 234.0 268.3 251.2 260.0 249.0 174.9 231.9 316.4 305.9 -80 -75 279.4 265.3 265.7 239.7 258.1 261.6 265.1 232.7 176.3 215.3 318.6 308.0 -75 -70 285.5 272.8 276.6 255.1 254.8 273.7 270.3 230.0 191.5 221.6 323.5 313.1 -70 -65 293.4 284.3 285.0 276.3 262.4 284.5 277.6 246.9 226.5 257.3 331.9 318.4 -65 -60 295.7 293.1 286.2 292.1 276.8 292.0 288.3 276.2 274.5 307.8 340.2 321.1 -60 -55 290.7 292.0 279.3 293.7 288.7 296.2 300.1 303.6 316.6 347.1 341.5 321.9 -55 -50 283.7 282.5 269.8 284.3 292.3 298.3 309.5 321.1 338.7 361.1 334.2 321.4 -50 -45 279.6 273.4 264.9 274.6 288.7 299.5 315.4 329.7 343.0 356.3 324.1 317.3 -45 -40 276.9 270.4 266.4 271.1 283.0 300.0 317.9 330.8 339.4 344.8 317.5 306.1 -40 -35 271.4 270.5 269.5 271.3 277.3 297.5 314.4 322.4 331.6 330.3 312.6 290.8 -35 -30 263.9 267.7 269.1 268.6 270.2 290.0 301.8 305.1 317.5 313.1 303.5 279.3 -30 -25 259.9 261.2 264.0 261.7 261.3 278.3 281.7 285.6 298.9 295.9 289.3 276.8 -25 -20 261.4 255.0 257.9 255.2 253.6 266.5 262.0 271.6 282.2 281.4 275.1 280.0 -20 -15 263.8 253.0 254.9 253.8 251.2 258.1 250.9 264.6 271.5 270.4 266.6 280.5 -15 -10 260.7 253.6 255.2 256.0 253.6 254.7 250.1 262.0 266.8 262.6 263.8 273.8 -10 -5 252.0 252.8 256.2 257.5 256.6 255.1 254.7 260.7 265.8 258.5 262.7 262.8 -5 0 243.2 248.5 255.5 256.3 257.5 257.0 258.9 260.5 265.7 257.2 258.7 252.7 0 5 238.8 244.0 253.7 255.9 258.5 259.9 260.9 262.0 265.4 256.0 251.2 244.6 5 10 239.8 244.6 254.7 261.2 264.2 265.0 264.5 265.6 267.0 254.5 244.6 237.1 10 15 244.1 250.7 260.7 271.4 275.9 273.5 273.2 271.1 272.0 256.0 243.7 232.5 15 20 250.0 257.7 269.7 281.7 289.8 284.4 284.7 278.0 278.2 261.8 249.1 234.7 20 25 257.5 262.5 279.5 290.1 301.3 294.9 294.0 285.0 281.9 268.4 257.1 245.1 25 30 268.4 270.6 290.7 300.2 309.9 303.2 299.3 290.7 283.4 271.7 265.4 260.7 30 35 284.6 291.1 306.0 315.8 318.6 310.0 303.0 294.1 286.1 273.1 275.3 278.3 35 40 307.1 324.7 325.2 335.7 329.9 317.3 307.0 295.3 290.7 277.3 287.5 297.8 40 45 331.5 359.1 344.7 354.2 342.5 326.0 311.6 296.6 294.1 286.1 300.5 318.9 45 50 350.3 381.4 362.2 369.2 353.2 335.0 316.1 301.1 294.2 295.4 312.5 335.5 50 55 360.0 391.4 379.6 382.7 361.7 342.6 320.1 307.5 292.9 299.8 321.9 339.1 55 60 366.3 398.6 399.9 396.2 370.7 346.9 322.8 310.2 294.1 298.7 324.6 331.7 60 65 379.3 408.9 421.5 406.2 380.7 347.3 322.8 305.8 298.7 298.6 314.8 327.1 65 70 399.1 418.4 438.0 410.4 389.0 345.4 319.7 296.6 304.4 304.3 292.9 337.2 70 75 410.6 419.8 443.5 413.2 392.2 342.6 313.7 288.1 306.1 310.7 270.0 358.3 75 80 399.3 411.6 438.0 421.6 389.9 339.5 305.8 282.2 298.8 307.5 259.4 375.2 80 85 368.8 399.0 427.0 436.1 385.4 336.7 297.3 277.5 283.5 292.5 264.0 379.1 85 90 342.3 390.0 418.5 447.7 382.0 334.8 291.5 274.5 270.4 277.8 272.8 375.9 2013 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 274.9 258.3 259.5 257.2 284.3 239.0 253.4 228.5 170.4 212.9 310.5 302.9 -85 -80 277.8 262.4 263.3 251.6 281.3 241.7 261.2 220.1 180.4 208.9 306.5 300.6 -80 -75 282.1 269.4 271.2 249.9 280.7 252.3 273.8 210.3 191.3 208.0 306.4 299.3 -75 -70 286.4 277.7 282.4 259.6 286.4 273.5 287.0 209.3 200.7 219.4 316.5 301.8 -70 -65 290.1 284.7 292.5 278.1 296.1 298.3 297.5 225.0 215.7 246.8 332.7 307.2 -65 -60 292.5 287.3 295.8 293.9 303.7 314.7 303.4 255.9 244.0 283.0 342.5 311.5 -60 -55 293.8 285.0 290.0 297.8 305.6 317.8 305.3 291.0 283.4 313.9 339.5 311.0 -55 -50 294.4 281.2 279.9 291.3 302.6 312.6 304.8 316.8 318.4 329.3 329.9 305.5 -50 -45 293.9 280.0 273.0 282.4 297.1 305.7 302.9 325.5 335.0 330.1 322.5 298.0 -45 -40 290.1 280.7 271.7 275.8 289.1 297.8 297.9 318.0 332.1 322.5 317.0 291.3 -40 -35 282.2 278.7 271.9 271.0 278.2 285.8 288.3 300.9 316.8 309.9 307.1 285.3 -35 -30 272.4 271.9 269.0 265.2 266.5 269.7 276.1 282.9 298.2 295.3 292.6 278.7 -30 -25 264.8 263.5 263.4 259.1 257.6 254.2 264.7 270.4 283.1 283.1 280.6 272.7 -25 -20 261.9 258.3 259.4 255.6 253.5 244.8 257.1 264.7 274.3 276.3 275.9 268.8 -20 -15 261.7 257.6 259.5 256.1 253.0 243.1 255.1 262.8 270.6 273.2 274.7 266.8 -15 -10 260.8 259.3 261.9 258.7 254.1 248.2 259.0 262.2 270.0 271.2 270.6 264.1 -10 -5 257.3 259.9 262.9 260.6 256.1 257.1 267.6 264.0 271.2 270.4 263.7 258.9 -5 0 251.2 256.8 261.1 260.4 258.9 266.0 276.9 269.2 272.7 271.0 258.7 252.6 0 5 243.9 250.0 258.4 259.0 261.9 270.8 281.2 275.5 273.4 271.5 257.4 248.7 5 10 237.2 243.4 257.1 258.4 264.4 271.0 279.4 278.7 274.1 270.4 257.4 248.6 10 15 233.6 240.6 257.4 260.0 267.5 271.0 277.0 278.1 276.1 269.0 256.6 250.5 15 20 235.0 242.2 258.4 265.4 274.2 276.5 279.5 277.9 278.7 269.4 256.0 252.5 20 25 241.9 248.2 262.6 276.8 286.9 288.4 287.5 282.2 280.4 271.7 258.2 256.3 25 30 255.2 261.2 276.5 295.5 304.2 301.9 296.3 291.0 282.6 275.4 265.2 266.2 30 35 276.2 286.3 303.1 319.2 322.3 312.8 302.1 300.0 287.4 280.1 276.4 284.2 35 40 304.7 323.8 335.6 342.5 338.9 322.4 307.3 304.9 293.9 285.1 289.0 306.3 40 45 335.0 363.5 363.1 361.9 353.2 334.8 317.4 307.1 299.8 289.7 300.1 324.5 45 50 358.7 391.3 383.2 378.4 365.3 349.7 331.9 311.4 304.5 294.5 309.1 334.6 50 55 372.9 401.5 402.4 394.9 374.5 360.2 342.3 318.4 308.8 300.1 316.7 339.2 55 60 385.1 402.2 423.1 411.0 382.1 361.0 340.9 321.9 310.5 304.0 322.5 341.8 60 65 406.1 406.9 436.5 422.3 392.0 357.4 331.4 315.5 306.1 303.4 325.4 339.7 65 70 435.5 421.2 431.8 426.9 406.6 358.8 324.7 302.4 297.7 298.8 325.4 328.1 70 75 459.3 439.4 412.9 425.2 421.8 366.5 325.9 291.7 293.7 293.9 324.8 310.1 75 80 463.2 450.3 395.8 419.5 430.0 373.2 329.4 289.0 299.4 291.9 325.6 296.2 80 85 448.9 449.4 391.1 412.7 429.2 372.8 328.0 291.8 310.4 291.7 327.5 292.9 85 90 433.5 444.3 393.9 408.0 425.0 369.0 324.0 294.7 318.4 291.7 329.2 295.4 2014 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 276.0 261.3 266.0 246.7 266.2 252.0 280.7 259.3 207.9 264.7 195.2 288.9 -85 -80 283.1 272.0 262.8 251.6 269.2 254.4 284.2 245.0 191.8 233.8 199.4 285.6 -80 -75 290.4 284.8 265.0 261.0 278.2 261.4 285.5 227.8 179.0 199.2 209.0 285.4 -75 -70 292.7 291.7 277.1 272.4 292.9 273.3 281.6 221.9 189.8 191.1 226.8 293.7 -70 -65 292.1 291.1 292.0 281.8 306.3 285.4 276.7 235.5 229.2 222.2 254.6 307.4 -65 -60 293.0 285.9 296.4 285.4 310.2 293.5 279.2 265.0 282.0 279.9 287.2 317.5 -60 -55 296.0 279.7 287.1 283.0 304.4 299.1 293.1 297.4 324.0 331.8 313.9 318.2 -55 -50 296.3 275.0 275.0 278.4 297.6 306.5 312.0 320.1 343.6 353.6 325.9 312.1 -50 -45 290.7 273.2 270.8 275.3 295.7 314.8 324.4 327.8 347.6 348.8 324.7 304.8 -45 -40 281.6 273.3 273.4 274.3 295.0 315.4 322.9 321.9 344.0 334.2 317.7 298.4 -40 -35 273.3 272.2 274.3 272.4 288.1 302.8 309.3 307.6 333.0 319.6 309.1 291.8 -35 -30 268.1 267.7 269.4 267.3 274.3 282.5 292.2 292.2 316.7 307.5 301.1 285.1 -30 -25 264.8 260.8 262.6 259.9 261.3 266.4 279.1 282.4 302.8 299.6 295.5 280.5 -25 -20 261.5 254.8 258.9 253.9 256.1 261.1 272.1 279.2 296.2 296.1 292.6 279.3 -20 -15 258.1 252.6 258.5 251.8 257.8 262.4 268.8 278.4 292.2 292.2 288.4 278.2 -15 -10 255.0 254.3 259.2 253.5 259.7 262.1 266.2 275.3 284.3 283.5 279.0 271.8 -10 -5 252.5 256.7 260.2 256.4 257.3 257.2 263.6 269.8 273.3 270.9 265.4 259.5 -5 0 250.2 256.2 261.4 258.4 254.0 252.9 262.3 265.8 264.8 260.6 252.9 247.6 0 5 247.7 252.1 262.3 260.3 256.3 255.5 263.7 266.1 263.5 257.4 247.3 243.3 5 10 246.2 248.2 262.7 264.3 266.0 265.9 268.6 270.1 268.1 261.7 250.3 246.7 10 15 247.0 248.1 264.8 271.2 278.6 278.4 275.6 275.7 274.3 269.1 257.8 252.1 15 20 251.3 252.6 271.1 280.0 288.8 286.9 282.3 280.7 278.5 274.2 263.5 254.9 20 25 259.6 261.7 281.7 291.2 296.1 291.6 288.1 284.4 279.4 274.5 264.0 257.2 25 30 273.7 278.0 294.2 306.2 305.1 298.0 294.4 288.4 280.2 273.4 263.0 265.1 30 35 295.1 304.4 307.1 325.4 320.4 310.1 303.2 294.6 284.1 275.2 267.5 282.3 35 40 322.2 337.5 322.1 345.6 340.3 326.4 314.2 303.3 291.3 280.4 280.5 304.8 40 45 349.3 367.4 342.5 362.4 358.5 341.7 325.2 313.2 299.7 286.8 298.0 324.7 45 50 369.4 386.9 366.1 373.8 369.0 350.9 333.3 321.3 306.4 294.5 313.3 337.8 50 55 379.6 396.7 382.2 381.7 372.1 353.6 336.5 324.3 309.4 305.3 322.2 347.0 55 60 380.7 399.0 383.9 388.9 373.8 352.9 334.6 321.9 307.4 315.4 323.8 353.9 60 65 374.4 392.3 378.2 397.7 379.3 352.5 329.2 316.9 301.9 316.1 319.1 354.3 65 70 361.7 375.7 379.7 410.1 388.2 353.6 323.3 312.4 297.2 303.0 312.8 344.6 70 75 345.7 355.2 395.3 425.9 394.8 354.6 319.0 307.0 294.9 282.3 314.2 329.2 75 80 332.5 341.2 417.5 442.6 394.3 353.1 315.6 295.9 290.8 263.9 329.5 319.7 80 85 325.7 338.3 434.1 456.2 387.9 348.9 311.3 278.8 281.9 252.9 354.4 322.0 85 90 324.3 340.6 441.3 463.3 381.8 345.0 307.5 265.0 273.3 248.5 373.9 328.7 2015 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 274.7 270.5 278.8 265.2 271.2 257.4 251.7 237.3 175.9 152.0 197.8 313.6 -85 -80 275.0 267.1 277.2 265.6 262.5 262.1 255.7 230.8 176.8 138.9 189.6 290.2 -80 -75 277.9 267.0 276.8 268.7 254.6 270.9 263.4 225.9 179.0 134.3 186.3 264.8 -75 -70 284.7 275.4 280.6 276.3 257.6 282.6 274.8 232.4 187.1 158.7 200.6 258.5 -70 -65 293.1 287.8 287.4 285.8 272.9 295.4 289.4 254.1 207.6 213.3 233.5 273.6 -65 -60 297.6 293.2 291.5 292.7 291.5 307.1 305.1 283.8 241.4 275.7 271.1 294.3 -60 -55 295.7 287.2 289.4 292.9 301.8 315.0 318.2 309.5 279.7 317.9 297.1 304.6 -55 -50 290.3 278.1 283.4 286.8 299.5 315.6 326.1 324.4 308.9 332.7 307.1 303.3 -50 -45 286.3 276.0 278.9 278.3 289.6 308.7 327.6 328.8 321.4 332.3 308.8 299.2 -45 -40 284.5 280.1 277.9 270.7 279.8 297.1 321.2 324.5 319.6 326.3 308.7 297.7 -40 -35 281.2 281.9 277.3 265.9 273.4 284.4 306.8 311.7 310.0 314.9 305.6 296.1 -35 -30 275.3 277.5 273.9 263.7 268.4 273.0 287.2 293.4 297.5 300.5 298.0 290.7 -30 -25 269.6 270.5 268.9 263.1 262.9 262.8 268.3 276.2 285.7 291.0 289.7 283.6 -25 -20 266.5 266.2 265.9 262.3 257.4 254.0 255.0 265.6 275.9 288.7 284.7 278.9 -20 -15 264.6 264.4 265.8 260.2 254.0 248.3 249.1 261.5 268.4 286.5 281.8 276.3 -15 -10 260.2 262.2 265.6 257.0 253.5 247.6 250.0 261.7 265.0 279.3 277.8 271.5 -10 -5 252.9 258.5 262.3 254.6 254.8 252.2 256.1 265.6 268.0 271.4 272.6 263.2 -5 0 246.4 254.0 256.6 255.4 257.4 259.9 265.3 273.6 276.3 270.5 268.9 255.5 0 5 244.1 250.0 252.8 260.7 261.8 267.6 274.1 282.6 283.7 275.9 267.0 253.1 5 10 245.8 247.8 255.0 269.4 268.8 273.9 279.6 287.1 285.4 279.7 264.6 255.2 10 15 248.6 249.2 262.6 278.3 278.2 279.9 282.0 285.3 282.3 277.4 260.7 257.3 15 20 251.5 255.8 272.1 286.0 288.8 286.8 284.0 281.5 279.2 272.6 257.4 257.5 20 25 257.1 268.2 281.7 294.9 300.1 295.0 288.7 282.5 279.2 271.1 258.4 259.4 25 30 270.6 286.8 294.4 308.8 312.7 303.8 296.7 290.7 283.0 274.9 265.4 268.1 30 35 294.8 312.0 314.1 327.8 327.3 313.5 305.9 302.0 289.4 281.4 276.8 283.3 35 40 326.1 341.0 338.8 346.8 343.4 324.7 313.1 309.5 295.2 287.3 287.9 298.2 40 45 355.9 368.3 361.3 361.4 359.0 337.4 318.3 311.9 299.6 293.4 296.2 307.7 45 50 377.6 388.9 378.4 373.4 372.8 349.0 324.8 313.9 304.5 302.4 305.2 315.9 50 55 390.0 400.1 391.8 387.6 384.0 356.3 334.4 318.7 310.4 312.3 318.3 330.4 55 60 394.1 404.1 403.6 404.5 391.6 359.1 343.1 323.0 314.0 315.2 330.4 347.8 60 65 390.9 407.1 411.3 420.5 394.6 359.6 345.1 320.5 310.8 307.2 329.8 353.6 65 70 381.9 414.1 411.3 432.9 394.2 359.9 338.8 311.5 302.4 293.4 312.6 339.1 70 75 373.4 424.2 406.5 443.9 394.6 358.8 327.4 302.4 294.1 282.2 289.2 315.4 75 80 373.6 431.3 404.4 456.5 399.9 353.2 314.2 298.1 288.2 276.6 274.9 304.5 80 85 383.3 431.2 408.6 469.8 409.1 343.6 301.9 297.8 283.3 273.9 274.6 314.6 85 90 393.3 428.0 414.6 478.9 416.5 335.7 294.1 298.3 279.7 272.1 280.0 330.2 2016 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 284.7 277.0 263.4 263.2 255.2 259.1 262.7 259.4 239.8 284.0 367.3 308.4 -85 -80 279.8 270.9 260.4 258.3 258.8 264.3 262.6 259.6 218.3 252.9 341.9 307.4 -80 -75 275.2 265.8 261.6 257.0 265.1 272.4 265.6 260.9 196.5 218.2 312.6 308.1 -75 -70 276.2 269.1 272.1 265.9 272.3 280.9 275.1 267.0 197.6 209.9 302.2 312.3 -70 -65 282.5 280.6 286.1 281.8 279.8 289.3 290.8 282.5 230.3 240.2 316.2 318.4 -65 -60 287.6 290.8 291.6 294.2 287.1 297.6 307.1 304.5 281.8 295.1 338.8 321.8 -60 -55 286.5 291.2 284.2 296.1 293.3 305.8 316.5 322.5 326.4 342.0 347.5 319.4 -55 -50 281.7 283.7 272.4 289.8 295.8 311.5 315.9 328.4 347.4 358.1 336.9 311.7 -50 -45 280.1 276.7 266.8 281.8 292.4 311.6 307.9 324.0 349.4 350.2 320.3 302.0 -45 -40 283.7 274.3 267.8 275.0 283.5 305.1 296.3 316.8 343.7 337.1 310.0 292.9 -40 -35 287.2 273.3 269.1 269.5 272.2 292.6 283.4 309.8 333.0 326.4 304.7 285.1 -35 -30 285.3 269.5 267.1 265.1 262.5 277.3 270.8 299.9 315.7 315.0 297.1 278.3 -30 -25 278.3 263.9 263.6 263.1 256.5 262.8 260.3 285.3 295.0 300.0 285.6 272.4 -25 -20 271.1 259.2 261.5 263.6 254.1 252.8 253.1 269.7 276.9 283.6 274.4 267.6 -20 -15 267.1 256.9 260.7 263.8 253.5 249.1 249.5 259.2 264.9 270.4 266.6 263.4 -15 -10 264.8 255.8 259.5 261.4 253.2 250.6 249.4 257.2 260.0 263.6 260.9 259.5 -10 -5 261.1 254.8 257.9 257.3 253.7 254.7 253.0 262.7 262.5 263.9 255.8 256.0 -5 0 255.4 253.0 257.2 254.5 255.7 258.5 259.4 270.8 269.5 267.6 251.9 253.7 0 5 249.9 250.4 257.4 254.8 259.3 261.0 266.0 276.3 275.4 268.5 251.3 253.0 5 10 247.0 248.3 257.1 257.5 263.2 263.6 269.9 277.2 275.8 264.5 253.7 252.7 10 15 247.4 248.0 256.4 260.8 266.1 267.6 270.7 275.4 271.7 259.2 255.5 251.0 15 20 249.8 249.5 257.3 265.4 269.8 272.6 271.6 274.5 267.4 256.9 253.3 247.9 20 25 254.4 254.0 263.4 275.0 278.5 278.9 276.3 277.1 266.8 257.8 248.7 246.2 25 30 265.3 265.4 278.3 292.5 294.8 287.7 285.7 283.8 271.2 259.9 248.9 250.4 30 35 286.9 288.4 303.0 315.6 316.5 300.3 296.1 291.9 278.9 262.7 259.8 264.0 35 40 318.8 321.4 333.7 339.6 338.1 315.5 303.0 296.6 286.3 268.2 279.3 286.1 40 45 351.5 354.6 362.2 360.6 354.3 330.0 307.1 296.7 291.2 278.9 298.1 310.7 45 50 372.2 376.3 380.3 378.4 364.5 340.6 313.6 296.9 294.3 294.6 310.1 329.7 50 55 376.3 381.6 385.5 393.5 371.4 346.3 324.4 302.0 296.2 309.2 318.0 339.3 55 60 369.7 375.2 383.9 403.9 375.8 348.2 333.1 308.9 295.3 312.6 326.9 342.5 60 65 361.7 364.0 386.4 408.5 376.3 347.1 331.9 308.8 290.3 300.4 335.6 344.6 65 70 356.4 352.4 398.1 410.0 373.4 344.4 321.5 298.4 284.3 281.1 339.1 348.5 70 75 352.1 339.4 412.1 412.1 371.6 341.7 310.4 285.3 282.0 269.6 337.6 353.8 75 80 346.7 323.0 416.5 415.4 376.2 340.8 306.1 278.7 282.8 273.6 337.0 360.0 80 85 340.9 305.2 407.7 417.8 386.7 341.8 308.1 280.1 282.7 287.5 340.5 366.7 85 90 337.2 293.2 396.4 418.5 395.8 343.3 311.2 283.8 281.2 298.8 345.1 371.6 2017 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 269.9 265.3 251.6 269.3 272.4 267.1 0.0 0.0 0.0 0.0 0.0 0.0 -85 -80 273.9 267.2 254.1 270.9 276.1 272.8 0.0 0.0 0.0 0.0 0.0 0.0 -80 -75 279.3 271.2 259.1 275.0 282.2 281.2 0.0 0.0 0.0 0.0 0.0 0.0 -75 -70 285.2 278.1 266.4 282.5 289.5 289.7 0.0 0.0 0.0 0.0 0.0 0.0 -70 -65 293.2 288.1 275.1 292.5 297.8 298.1 0.0 0.0 0.0 0.0 0.0 0.0 -65 -60 303.1 297.9 281.7 301.1 306.5 307.1 0.0 0.0 0.0 0.0 0.0 0.0 -60 -55 309.2 302.5 282.9 303.3 312.4 315.5 0.0 0.0 0.0 0.0 0.0 0.0 -55 -50 305.6 300.0 279.5 297.8 312.8 319.5 0.0 0.0 0.0 0.0 0.0 0.0 -50 -45 294.1 293.4 275.4 288.6 307.1 317.4 0.0 0.0 0.0 0.0 0.0 0.0 -45 -40 282.6 286.0 272.9 280.8 298.0 310.3 0.0 0.0 0.0 0.0 0.0 0.0 -40 -35 276.3 278.7 270.8 275.9 288.3 299.6 0.0 0.0 0.0 0.0 0.0 0.0 -35 -30 273.8 272.0 267.7 271.8 278.4 286.2 0.0 0.0 0.0 0.0 0.0 0.0 -30 -25 270.9 267.2 264.5 267.0 268.9 272.0 0.0 0.0 0.0 0.0 0.0 0.0 -25 -20 266.0 264.7 262.8 262.9 261.3 260.6 0.0 0.0 0.0 0.0 0.0 0.0 -20 -15 260.6 262.8 262.6 261.2 257.0 254.5 0.0 0.0 0.0 0.0 0.0 0.0 -15 -10 256.4 259.4 261.4 260.7 255.3 252.7 0.0 0.0 0.0 0.0 0.0 0.0 -10 -5 253.9 254.8 257.4 258.6 254.0 251.9 0.0 0.0 0.0 0.0 0.0 0.0 -5 0 251.8 251.1 252.8 254.8 252.7 251.2 0.0 0.0 0.0 0.0 0.0 0.0 0 5 250.0 250.4 252.3 254.4 254.1 253.3 0.0 0.0 0.0 0.0 0.0 0.0 5 10 249.6 253.2 258.3 260.5 261.4 261.4 0.0 0.0 0.0 0.0 0.0 0.0 10 15 250.8 258.2 267.6 270.8 274.4 274.4 0.0 0.0 0.0 0.0 0.0 0.0 15 20 252.4 262.6 275.4 280.3 289.7 287.7 0.0 0.0 0.0 0.0 0.0 0.0 20 25 254.2 266.6 281.1 288.7 304.6 299.4 0.0 0.0 0.0 0.0 0.0 0.0 25 30 260.8 275.4 290.5 301.4 318.8 312.0 0.0 0.0 0.0 0.0 0.0 0.0 30 35 279.2 295.0 308.5 321.5 332.5 326.5 0.0 0.0 0.0 0.0 0.0 0.0 35 40 310.3 323.6 331.0 341.7 344.1 337.6 0.0 0.0 0.0 0.0 0.0 0.0 40 45 342.7 352.1 350.3 351.8 350.9 338.4 0.0 0.0 0.0 0.0 0.0 0.0 45 50 360.3 372.8 366.2 352.2 353.7 330.8 0.0 0.0 0.0 0.0 0.0 0.0 50 55 356.1 384.7 385.8 355.5 357.6 326.9 0.0 0.0 0.0 0.0 0.0 0.0 55 60 338.8 390.8 410.7 370.2 365.8 334.4 0.0 0.0 0.0 0.0 0.0 0.0 60 65 322.6 391.7 430.5 389.9 374.8 346.7 0.0 0.0 0.0 0.0 0.0 0.0 65 70 315.2 388.3 435.5 402.0 378.6 352.2 0.0 0.0 0.0 0.0 0.0 0.0 70 75 315.5 385.2 432.2 403.5 376.4 348.2 0.0 0.0 0.0 0.0 0.0 0.0 75 80 318.8 388.9 437.2 402.8 373.0 342.6 0.0 0.0 0.0 0.0 0.0 0.0 80 85 322.2 399.4 456.5 407.2 373.1 342.5 0.0 0.0 0.0 0.0 0.0 0.0 85 90 324.3 408.6 475.7 413.0 375.1 345.6 0.0 0.0 0.0 0.0 0.0 0.0