1964 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 310.8 295.1 298.3 268.7 275.7 280.0 295.4 306.5 316.5 339.5 440.9 344.4 -85 -80 311.4 296.6 299.7 269.3 277.0 283.7 300.9 306.7 308.4 338.0 438.5 349.6 -80 -75 307.2 297.0 301.8 275.4 280.8 291.4 310.6 306.9 300.6 342.7 426.0 353.6 -75 -70 298.3 295.3 305.4 290.2 288.1 301.5 322.4 311.2 305.3 360.7 402.2 351.8 -70 -65 295.0 294.0 312.1 309.0 299.1 310.4 332.2 325.0 327.4 386.6 378.4 346.5 -65 -60 307.2 296.6 320.3 321.3 311.2 315.8 336.1 346.6 356.1 402.5 368.0 343.4 -60 -55 328.9 303.5 323.9 319.8 319.8 319.7 336.1 365.4 375.3 397.3 369.7 343.4 -55 -50 342.2 311.3 317.7 307.5 320.7 325.3 337.7 371.9 378.1 378.4 367.4 341.4 -50 -45 335.5 314.7 303.1 292.9 313.0 331.0 342.4 366.5 370.3 360.8 351.1 333.5 -45 -40 315.1 309.4 287.1 282.0 299.7 330.0 343.2 355.6 358.9 349.3 327.1 321.4 -40 -35 294.8 295.4 275.0 274.2 286.1 317.9 331.1 342.2 343.5 336.7 306.6 307.9 -35 -30 282.1 277.8 267.5 266.7 274.8 298.1 306.4 324.2 322.7 317.5 293.8 293.4 -30 -25 274.6 263.9 261.8 259.0 266.0 277.9 279.7 301.2 299.9 295.9 284.2 278.8 -25 -20 267.4 256.9 256.5 253.1 259.1 262.4 260.9 277.9 280.8 279.0 273.6 266.6 -20 -15 259.6 255.2 252.4 250.8 254.3 251.8 251.3 260.0 267.8 267.9 262.9 259.5 -15 -10 254.0 255.7 250.7 251.0 251.6 245.4 247.1 250.0 260.1 259.6 255.4 256.0 -10 -5 251.4 256.1 250.6 251.7 251.0 244.5 245.9 247.7 257.2 253.5 252.1 252.0 -5 0 249.4 254.8 249.8 251.9 252.5 250.2 248.9 251.8 257.6 251.0 250.0 247.2 0 5 246.0 251.9 248.6 253.3 256.6 260.6 257.0 260.7 260.1 252.4 247.2 244.8 5 10 242.7 250.0 249.4 257.8 263.8 270.8 267.8 270.8 264.0 256.2 246.2 247.5 10 15 243.5 252.5 254.1 264.6 273.8 277.4 276.0 277.5 268.6 260.2 250.4 252.6 15 20 249.7 260.1 261.9 272.1 285.7 281.5 278.9 277.6 272.0 262.9 257.7 255.5 20 25 260.0 271.6 271.9 280.7 297.9 287.6 280.0 273.5 272.6 264.1 262.6 257.7 25 30 274.2 287.6 287.9 294.1 309.9 298.5 285.0 273.3 273.2 265.9 263.9 266.6 30 35 294.3 311.7 315.1 315.3 322.9 313.1 295.2 282.1 277.6 271.1 267.2 287.3 35 40 319.9 343.7 352.4 342.6 338.6 327.9 306.8 296.4 286.9 280.3 277.1 313.9 40 45 343.6 374.9 388.8 371.0 357.5 340.8 315.5 308.4 298.5 291.7 290.8 332.7 45 50 354.7 392.6 411.8 395.5 376.3 351.3 322.1 314.5 308.6 302.4 300.4 337.0 50 55 351.2 390.7 417.9 414.4 389.7 358.1 329.0 317.3 313.7 308.2 301.7 336.2 55 60 343.8 377.0 414.7 428.7 394.9 359.3 334.1 318.6 310.2 300.7 297.4 342.0 60 65 344.7 367.4 412.6 440.0 393.8 354.7 333.1 315.3 297.9 275.7 293.0 352.1 65 70 356.3 372.3 417.5 449.8 390.4 348.5 325.9 305.5 282.5 241.0 290.9 355.8 70 75 370.3 388.6 430.1 458.1 388.0 345.1 318.1 293.9 271.5 212.9 291.0 351.7 75 80 377.1 404.1 448.0 463.8 387.3 346.1 314.7 287.2 267.0 202.2 292.9 350.1 80 85 375.3 410.9 466.0 466.1 387.5 349.3 315.4 287.1 265.7 206.5 295.8 359.0 85 90 371.4 410.7 477.6 466.2 387.7 351.5 316.8 289.3 265.1 213.7 298.0 370.1 1965 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 304.1 277.0 251.6 285.1 279.8 286.5 266.9 291.2 273.4 291.3 291.8 298.1 -85 -80 310.3 285.3 254.6 288.1 283.7 289.9 270.2 291.2 265.2 286.9 289.3 301.6 -80 -75 313.9 288.7 259.1 295.1 290.4 296.7 275.7 293.7 260.6 283.4 289.4 304.2 -75 -70 309.6 280.5 265.7 304.9 298.3 306.5 284.2 302.4 274.1 290.3 298.4 303.6 -70 -65 303.4 272.1 277.4 312.3 306.3 316.8 297.9 317.8 308.5 313.4 316.4 302.4 -65 -60 304.2 277.7 293.2 311.3 313.0 325.0 317.0 333.7 348.2 347.2 335.3 303.5 -60 -55 311.9 294.9 304.9 302.9 315.8 329.8 336.9 343.6 371.6 374.1 344.2 304.8 -55 -50 317.4 306.2 304.8 293.7 313.4 331.1 350.5 347.3 372.3 378.7 341.0 303.1 -50 -45 313.9 302.2 294.9 289.5 306.6 328.4 354.2 349.1 362.6 364.5 333.0 300.3 -45 -40 304.1 290.4 284.1 288.7 298.0 320.9 347.7 348.8 354.5 347.6 327.4 301.1 -40 -35 294.2 281.4 277.9 286.0 289.6 308.5 332.2 340.8 347.6 336.6 323.4 304.9 -35 -30 285.6 276.2 274.7 278.3 280.9 292.8 310.8 322.8 335.5 328.0 316.6 304.5 -30 -25 277.1 270.2 269.6 267.8 271.8 277.3 288.2 300.2 316.9 315.2 305.3 294.4 -25 -20 268.4 262.5 261.7 259.3 263.6 265.0 269.5 280.4 295.9 297.1 290.9 278.3 -20 -15 261.3 257.6 254.7 255.2 258.1 256.8 257.6 266.4 276.4 278.2 275.9 264.9 -15 -10 256.3 257.0 251.5 254.0 255.0 251.9 251.5 257.5 261.5 264.1 262.4 256.4 -10 -5 251.4 255.6 250.4 252.9 252.5 249.5 249.2 253.2 254.1 256.6 252.2 247.5 -5 0 245.3 249.9 248.6 251.4 250.4 249.6 249.7 253.9 253.9 253.8 245.4 235.3 0 5 240.8 245.2 246.6 252.2 251.5 253.1 253.8 259.0 257.9 253.4 241.5 224.5 5 10 242.5 249.8 249.4 257.9 258.7 260.7 261.9 266.3 263.1 256.2 240.8 223.0 10 15 250.8 262.8 259.4 267.7 271.4 271.2 271.3 273.1 268.8 263.7 244.9 232.1 15 20 261.4 273.3 273.4 278.4 285.5 281.3 277.5 278.2 274.2 272.9 252.8 244.1 20 25 270.0 275.9 288.1 288.5 298.2 289.2 279.7 282.0 277.6 278.3 260.4 253.0 25 30 279.0 282.3 306.1 301.3 310.6 296.8 282.9 286.4 279.3 278.5 265.9 262.1 30 35 295.1 309.6 332.8 320.8 325.9 307.9 292.9 292.6 281.6 277.9 273.1 279.1 35 40 320.1 356.0 367.0 347.9 345.5 324.7 309.5 300.7 287.0 281.0 286.5 306.1 40 45 347.2 395.9 398.4 377.3 365.8 343.8 326.1 310.0 297.0 288.3 305.4 335.2 45 50 368.1 407.1 417.8 401.1 381.9 357.6 336.7 318.3 309.1 297.4 321.5 357.4 50 55 381.5 398.8 426.0 414.1 392.2 359.6 339.5 321.9 316.9 305.4 326.4 374.9 55 60 391.4 397.1 429.3 417.1 398.1 351.5 336.3 316.6 313.8 307.7 320.2 395.5 60 65 399.4 409.8 429.8 417.2 401.4 341.4 329.4 302.5 299.5 300.2 311.2 419.3 65 70 402.2 422.6 425.3 421.5 401.8 336.7 321.6 286.9 282.7 285.1 307.5 437.8 70 75 399.9 424.4 418.0 429.6 398.6 338.7 316.0 277.1 272.4 270.1 309.4 446.2 75 80 398.9 420.9 415.6 436.1 393.7 343.3 313.1 274.1 269.1 262.4 311.6 451.1 80 85 403.6 422.5 421.4 437.4 389.9 346.1 311.5 274.4 267.7 262.5 310.1 459.8 85 90 409.8 427.8 428.9 435.4 388.1 346.6 310.5 274.9 266.2 264.9 307.2 468.4 1966 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 261.1 261.2 252.2 259.6 276.9 281.0 258.6 319.3 291.1 302.3 334.3 307.3 -85 -80 262.7 268.8 260.3 267.1 282.7 282.3 263.3 321.2 287.4 307.0 342.5 315.0 -80 -75 262.5 276.7 273.4 276.1 291.1 287.2 270.8 327.7 289.2 317.0 351.1 321.7 -75 -70 263.5 280.8 286.5 282.5 299.1 297.0 280.0 339.7 304.5 332.1 354.6 321.9 -70 -65 276.0 284.4 295.2 288.0 306.2 308.8 290.7 351.3 327.1 345.4 353.7 320.4 -65 -60 303.6 291.2 296.6 296.2 313.8 318.5 302.4 351.1 337.9 346.7 352.4 324.7 -60 -55 331.8 297.8 292.2 305.1 321.0 323.4 313.5 336.8 330.5 337.1 351.7 332.9 -55 -50 340.5 298.0 286.6 307.1 322.8 322.7 322.0 321.4 321.8 327.7 346.9 334.0 -50 -45 327.0 292.7 283.9 298.3 314.5 315.9 325.2 316.8 326.7 325.4 333.8 323.2 -45 -40 307.3 289.0 284.2 284.6 297.8 302.9 320.7 317.9 337.1 325.7 314.8 308.0 -40 -35 295.7 290.2 284.0 275.0 280.3 285.9 307.9 312.0 334.0 320.4 296.2 297.6 -35 -30 290.6 291.1 280.5 272.6 268.4 270.2 290.1 295.9 313.9 307.8 284.2 292.7 -30 -25 282.7 285.5 273.8 271.6 263.2 260.0 273.8 278.7 291.1 294.6 279.8 287.1 -25 -20 269.7 273.5 265.8 266.7 260.9 255.7 263.2 268.8 277.3 285.0 278.2 277.6 -20 -15 257.5 260.9 258.5 258.2 257.5 254.3 258.2 264.4 270.1 276.5 272.7 267.1 -15 -10 250.7 253.0 252.9 250.9 252.5 253.3 256.0 260.5 263.1 266.9 261.9 258.5 -10 -5 246.3 249.1 249.3 248.6 248.8 253.1 255.2 257.8 257.8 259.1 250.8 250.6 -5 0 239.4 245.5 247.0 250.4 249.6 255.0 256.9 260.5 259.1 256.9 244.0 241.6 0 5 231.9 241.3 245.5 254.0 254.9 259.3 262.7 269.3 267.0 259.2 242.2 233.9 5 10 230.1 239.5 245.3 258.7 262.4 265.2 271.8 279.0 275.6 262.2 244.0 232.8 10 15 236.0 241.8 248.2 264.7 269.5 271.6 280.1 283.9 279.6 264.4 249.0 239.9 15 20 245.3 245.8 255.1 272.7 276.8 279.0 283.3 283.6 279.6 266.9 255.4 250.7 20 25 254.8 251.1 266.9 283.8 287.2 288.3 282.7 281.9 279.0 270.8 260.6 260.0 25 30 269.4 264.8 286.0 300.7 303.6 299.8 284.8 282.9 280.0 275.8 264.2 269.9 30 35 296.8 294.9 315.0 325.8 325.5 314.2 295.5 288.8 283.0 281.9 271.3 286.9 35 40 334.8 338.5 352.6 356.5 350.2 332.0 314.3 299.4 288.4 290.2 287.3 312.7 40 45 369.1 379.9 391.6 385.7 374.0 351.9 334.0 313.1 297.4 302.1 309.9 339.2 45 50 388.6 406.7 422.1 406.8 393.3 367.8 346.7 325.6 309.5 316.7 329.1 356.0 50 55 399.3 422.6 440.1 419.4 405.8 372.2 348.5 329.8 317.9 327.9 336.1 364.4 55 60 412.9 437.1 449.9 429.9 410.5 364.1 341.5 321.1 313.8 326.8 332.7 376.3 60 65 428.9 450.0 458.6 444.4 408.3 351.0 331.1 304.6 297.6 310.7 330.0 398.8 65 70 436.1 454.5 470.5 463.6 402.0 342.9 323.3 291.4 279.8 287.7 336.8 425.7 70 75 432.4 451.4 482.9 481.2 395.0 344.2 320.3 286.9 268.6 269.4 351.2 445.6 75 80 430.6 451.6 490.3 489.2 389.7 350.7 319.8 286.6 261.5 260.7 363.7 454.7 80 85 440.0 461.2 490.8 486.9 387.3 356.0 318.4 284.0 253.2 258.7 367.8 457.1 85 90 452.0 472.1 488.1 481.5 387.0 357.9 316.5 279.9 245.8 258.6 366.7 457.5 1967 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 267.7 259.8 252.9 261.4 271.0 263.4 265.8 267.8 292.9 327.4 355.9 300.3 -85 -80 273.2 268.5 253.7 264.6 277.2 265.7 269.3 269.3 285.0 322.2 353.1 310.5 -80 -75 281.4 278.4 259.7 270.1 285.8 271.0 275.9 272.3 279.2 327.0 355.6 323.0 -75 -70 291.6 285.3 274.0 277.4 293.3 279.5 285.2 279.5 288.4 354.3 369.7 330.9 -70 -65 305.6 292.4 292.5 286.1 299.9 290.1 296.8 294.0 315.7 394.0 390.3 334.8 -65 -60 322.1 302.6 305.8 294.5 307.7 299.8 309.2 314.1 348.8 417.6 402.8 340.1 -60 -55 332.7 311.4 307.9 298.2 315.1 305.6 320.8 333.7 370.9 408.7 396.5 347.0 -55 -50 328.9 310.5 301.4 294.0 316.2 306.3 330.6 347.1 376.5 380.7 375.0 348.2 -50 -45 313.0 298.7 292.8 283.7 307.0 303.9 337.0 351.7 370.8 356.0 349.5 337.5 -45 -40 295.0 283.2 285.3 273.6 290.8 301.1 336.8 346.5 358.6 340.1 326.3 317.7 -40 -35 282.4 271.4 277.8 268.2 275.4 297.8 327.2 331.9 340.3 325.8 306.2 297.5 -35 -30 275.1 265.1 269.7 266.6 265.5 291.6 309.8 310.6 318.7 310.9 291.5 284.5 -30 -25 269.8 262.6 262.9 265.2 261.4 281.5 290.6 289.4 299.9 300.1 285.1 279.7 -25 -20 264.7 262.1 258.8 262.8 259.9 269.9 275.2 274.4 287.6 294.2 284.1 278.1 -20 -15 259.6 262.0 257.1 260.3 258.2 260.7 265.6 265.9 278.9 285.7 280.3 273.9 -15 -10 253.7 260.6 256.6 258.6 255.5 256.3 260.8 261.6 271.4 271.0 269.3 264.3 -10 -5 245.3 255.9 256.1 256.6 252.5 257.0 260.1 260.4 266.6 257.1 256.0 251.3 -5 0 236.2 248.8 254.2 254.5 252.1 261.4 263.3 263.3 266.8 252.5 248.6 240.4 0 5 232.0 244.5 251.2 255.4 257.1 268.2 269.6 270.1 270.3 256.8 248.7 237.0 5 10 236.2 248.2 250.5 263.3 267.6 276.2 277.0 278.3 274.0 262.5 253.4 242.2 10 15 246.5 258.2 257.0 276.8 280.4 283.2 282.0 284.1 276.3 265.4 259.6 251.8 15 20 256.0 267.3 271.4 289.5 291.2 287.3 282.8 284.9 277.2 267.7 266.3 260.3 20 25 261.3 271.5 288.7 297.2 299.2 289.3 281.3 282.1 276.9 270.8 272.3 265.7 25 30 268.3 277.5 303.5 302.5 307.4 293.2 282.3 280.9 276.1 273.0 275.9 272.0 30 35 287.0 296.8 316.1 312.3 319.8 303.8 290.1 285.4 277.0 272.3 277.8 284.7 35 40 320.6 331.4 333.8 330.2 336.9 321.1 303.7 295.0 281.8 271.6 282.1 305.1 40 45 359.2 370.2 363.7 354.2 354.5 339.2 318.0 305.2 290.4 277.0 292.9 326.2 45 50 389.3 400.2 401.6 378.5 368.5 351.3 327.1 311.5 299.6 290.0 309.2 340.0 50 55 405.4 416.9 430.9 398.6 377.8 354.7 327.6 312.1 303.0 303.1 322.5 345.8 55 60 410.6 419.0 438.2 412.0 383.5 352.0 319.8 307.0 297.1 306.1 324.1 349.0 60 65 408.1 402.2 427.6 416.8 385.9 347.7 308.9 298.0 285.7 299.0 313.7 353.7 65 70 398.3 368.0 414.1 414.7 384.6 344.4 301.4 288.9 278.4 291.2 300.3 358.0 70 75 385.1 333.7 408.3 411.8 381.0 342.6 299.9 282.3 279.1 288.9 294.0 358.6 75 80 377.5 322.6 408.4 413.6 378.4 341.8 301.6 278.1 281.8 288.1 297.3 356.0 80 85 380.2 338.7 408.2 420.4 379.0 341.3 302.5 274.6 279.7 283.4 304.8 353.9 85 90 386.7 359.4 406.3 426.6 381.0 341.0 301.9 272.0 275.3 277.5 310.3 353.4 1968 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 302.9 281.7 270.7 280.5 279.6 260.9 257.5 260.2 306.9 337.2 403.2 341.5 -85 -80 308.2 287.2 276.8 279.5 281.6 266.4 263.0 263.1 300.7 333.8 407.8 349.3 -80 -75 315.0 294.9 285.6 281.9 286.6 275.3 271.3 267.4 296.4 335.6 414.1 359.1 -75 -70 321.2 302.7 294.0 290.4 294.7 284.4 280.3 274.6 305.9 351.5 419.0 364.3 -70 -65 329.0 311.1 301.1 302.4 304.3 292.3 290.2 288.0 333.5 379.2 419.9 362.9 -65 -60 338.0 318.9 306.7 311.2 312.6 299.9 301.7 307.9 368.5 403.0 413.3 358.1 -60 -55 341.1 322.0 308.2 311.6 318.2 308.6 314.5 329.9 392.5 409.0 398.5 353.0 -55 -50 330.9 316.7 302.8 304.6 320.9 316.0 325.8 347.3 395.6 397.4 377.1 346.1 -50 -45 310.1 304.4 291.3 294.9 319.4 316.9 332.2 354.5 382.2 377.6 351.8 333.4 -45 -40 289.5 289.7 277.6 286.2 312.4 308.6 331.1 348.6 361.8 356.5 326.0 315.1 -40 -35 277.5 277.0 266.8 279.8 300.3 294.6 321.6 330.3 340.7 335.2 303.0 296.8 -35 -30 273.1 269.0 261.9 274.8 285.6 282.5 306.6 305.8 322.1 315.4 288.1 285.1 -30 -25 270.2 264.8 261.7 269.9 272.1 275.6 290.3 284.2 307.4 299.9 282.6 281.1 -25 -20 264.8 261.5 262.3 264.5 262.1 271.6 275.4 270.2 294.6 288.8 280.7 279.8 -20 -15 257.3 256.5 260.8 259.2 256.4 266.0 263.1 262.2 281.1 278.7 275.0 275.1 -15 -10 249.6 250.6 257.1 255.6 254.6 258.6 254.2 257.2 267.9 268.9 264.6 265.9 -10 -5 242.1 246.2 253.4 255.2 256.7 254.2 251.2 255.4 261.0 263.0 256.1 256.3 -5 0 234.6 243.9 251.0 257.6 262.6 256.5 255.6 259.4 263.8 263.5 254.9 250.8 0 5 229.8 242.9 250.5 261.4 270.9 265.4 265.8 269.1 272.4 266.9 257.7 249.5 5 10 232.2 243.6 253.3 266.4 279.0 276.5 277.4 280.1 279.9 268.7 257.3 248.7 10 15 243.5 248.6 261.1 274.2 285.4 285.8 286.0 286.7 283.1 268.6 252.5 246.0 15 20 260.0 259.7 274.5 286.9 291.6 292.7 290.0 287.3 282.9 269.0 249.1 242.8 20 25 275.9 277.1 293.2 304.5 301.2 298.9 292.1 285.5 281.6 270.9 252.3 243.3 25 30 289.7 301.6 316.7 323.6 315.4 305.8 296.0 287.5 282.3 273.7 262.3 252.6 30 35 306.2 332.9 343.9 339.8 332.2 314.4 303.5 295.3 286.4 277.0 274.8 273.2 35 40 330.5 366.6 370.4 351.6 348.2 325.9 313.3 305.6 293.2 282.7 285.6 303.5 40 45 361.8 393.8 391.2 362.9 361.0 340.5 323.8 314.3 300.7 292.3 294.7 336.6 45 50 393.6 409.0 405.8 378.8 371.9 354.7 333.8 320.9 306.4 304.4 306.5 363.4 50 55 419.6 414.9 417.2 398.2 384.1 363.1 341.8 327.1 308.0 314.1 323.5 380.1 55 60 439.0 419.0 427.5 414.7 399.3 364.1 344.8 332.3 304.6 315.7 341.2 391.6 60 65 453.8 426.5 435.2 424.2 416.1 362.1 341.1 332.6 298.6 309.4 351.8 405.5 65 70 463.5 435.6 438.2 429.0 430.3 363.3 333.7 326.5 295.4 301.8 353.0 423.2 70 75 467.3 440.0 437.3 433.6 437.4 368.3 327.9 317.2 295.9 298.2 350.1 438.7 75 80 467.5 435.1 436.2 438.6 435.6 371.7 325.1 307.8 294.7 297.5 350.0 446.1 80 85 467.7 423.1 436.8 442.1 428.6 370.0 323.6 299.9 287.7 295.8 354.0 445.9 85 90 468.8 413.0 438.0 443.1 422.7 366.3 322.5 295.2 280.0 293.4 358.2 443.3 1969 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 299.0 277.5 273.6 274.9 278.1 271.8 273.2 296.0 313.3 280.6 311.5 315.7 -85 -80 304.5 290.2 277.5 271.9 278.8 273.6 269.4 295.3 312.9 277.4 314.4 321.5 -80 -75 312.0 304.3 284.3 272.3 282.8 278.9 269.4 296.0 313.2 278.7 318.7 329.2 -75 -70 319.4 310.1 293.7 282.2 292.2 289.7 280.3 302.7 319.6 293.1 324.3 335.2 -70 -65 327.6 307.4 304.4 300.1 306.4 305.4 301.3 318.4 334.2 319.5 331.6 339.2 -65 -60 336.4 302.6 313.4 317.2 321.3 321.8 322.2 338.0 350.8 345.1 338.5 342.5 -60 -55 340.9 299.7 315.8 323.2 331.0 333.6 332.4 350.2 361.1 357.2 341.3 343.6 -55 -50 334.5 296.9 309.1 315.1 330.3 336.7 330.9 348.7 362.4 353.9 337.5 338.3 -50 -45 316.8 290.6 295.9 298.9 317.9 330.1 324.6 337.0 355.8 342.6 328.8 325.1 -45 -40 295.3 280.7 281.0 283.4 298.2 316.0 317.6 322.6 342.5 330.4 318.5 307.8 -40 -35 278.8 270.6 268.9 273.4 278.3 298.3 307.2 308.6 324.6 318.9 307.7 291.7 -35 -30 271.5 263.8 261.9 267.9 264.1 280.6 290.6 294.2 306.2 309.2 297.6 279.8 -30 -25 271.1 261.5 258.9 263.5 256.8 266.0 271.3 279.6 292.2 302.2 290.0 272.4 -25 -20 272.1 262.0 257.3 258.1 253.2 256.0 256.1 267.4 282.9 296.5 285.1 268.4 -20 -15 269.7 261.5 255.8 253.3 250.8 250.6 249.2 260.5 274.9 288.5 280.2 266.1 -15 -10 263.6 258.9 255.2 251.9 250.3 249.2 249.6 259.2 267.8 278.3 272.6 263.5 -10 -5 256.9 255.6 257.5 255.6 254.2 251.4 254.7 263.1 266.2 272.1 264.7 259.2 -5 0 253.1 253.4 261.8 262.3 263.3 257.3 263.4 271.1 273.0 273.7 261.2 254.5 0 5 252.2 253.6 265.4 268.5 274.9 267.1 274.2 280.4 284.3 279.5 263.1 252.6 5 10 251.7 256.3 266.5 272.2 284.5 278.7 284.7 288.3 292.4 282.9 266.9 254.7 10 15 250.0 259.1 266.0 274.1 289.5 287.9 291.2 292.3 293.1 281.9 268.2 258.3 15 20 248.2 258.6 266.6 277.6 292.6 292.3 291.9 291.5 288.1 279.4 266.1 260.3 20 25 250.2 256.1 272.1 286.2 297.9 293.9 289.5 287.8 282.9 278.0 264.0 261.1 25 30 259.8 260.9 287.3 301.8 307.5 298.7 289.9 286.1 282.0 278.5 267.7 267.0 30 35 279.5 284.5 315.0 323.5 321.3 310.9 297.0 290.4 286.5 280.9 279.5 284.0 35 40 307.4 328.4 352.0 347.8 339.3 328.8 309.0 300.8 293.1 285.7 294.8 311.4 40 45 338.5 378.2 389.1 372.0 361.3 346.5 321.7 312.8 298.4 293.1 306.6 339.7 45 50 368.0 414.6 415.6 394.9 384.1 359.5 332.7 321.3 302.8 302.0 313.7 358.2 50 55 392.1 430.9 427.3 415.4 401.7 367.6 341.1 323.4 306.2 309.1 319.9 366.0 55 60 407.4 434.8 428.7 432.0 410.1 372.6 344.7 318.8 305.2 311.6 325.0 370.1 60 65 410.5 437.2 428.9 443.8 411.3 374.6 341.3 309.8 296.4 310.2 321.0 375.8 65 70 401.8 440.4 433.8 451.9 410.8 373.3 332.9 300.3 282.8 308.3 304.3 381.3 70 75 389.2 439.4 443.8 457.0 411.4 370.8 324.8 293.4 271.4 307.4 283.9 383.4 75 80 383.3 430.4 454.7 458.0 412.3 369.4 320.6 288.4 264.5 304.4 274.2 383.2 80 85 387.6 416.4 462.4 454.9 411.5 370.2 319.2 283.7 260.3 297.4 279.4 384.4 85 90 394.7 406.1 465.8 451.2 410.0 371.6 318.9 279.9 257.7 290.7 288.7 386.5 1970 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 289.4 289.6 271.8 275.2 278.3 263.4 290.1 305.4 283.0 284.2 360.8 338.7 -85 -80 297.6 295.4 283.2 274.5 281.6 269.4 296.2 303.8 278.2 282.6 365.1 342.2 -80 -75 307.7 303.5 296.8 276.8 287.3 278.5 305.1 303.8 275.0 285.4 370.2 347.5 -75 -70 313.3 311.3 304.0 285.3 294.7 287.4 314.8 310.8 285.5 301.4 373.8 352.5 -70 -65 314.3 318.3 304.9 298.1 303.5 295.2 326.5 326.9 317.3 332.7 373.6 355.3 -65 -60 314.2 323.4 304.8 308.1 312.4 303.4 340.5 345.8 362.9 368.8 366.9 354.2 -60 -55 313.9 323.7 305.7 308.0 319.0 312.3 353.3 358.0 400.5 392.1 353.3 347.2 -55 -50 310.8 317.0 303.8 298.3 319.8 319.2 358.6 360.1 412.2 392.2 336.9 334.9 -50 -45 302.4 304.0 296.1 285.2 314.2 320.4 352.7 356.0 399.1 374.6 323.3 320.7 -45 -40 289.6 287.8 284.5 274.9 304.3 315.0 337.0 348.2 375.0 352.2 315.4 308.2 -40 -35 276.4 272.8 273.3 268.6 292.8 303.8 317.0 334.3 350.8 332.8 310.5 299.1 -35 -30 266.6 262.9 265.6 263.7 281.1 289.3 298.2 314.1 330.1 318.6 304.7 292.0 -30 -25 261.9 259.5 261.4 258.2 270.4 275.3 283.7 293.0 312.4 308.3 297.0 285.5 -25 -20 260.7 259.7 260.2 253.9 262.6 265.4 273.4 277.6 296.5 299.3 288.3 279.5 -20 -15 260.0 259.2 260.7 253.8 259.3 260.8 266.1 269.9 281.6 288.5 278.6 274.7 -15 -10 258.4 257.1 261.2 257.2 259.6 259.8 261.2 267.2 269.6 276.3 268.2 270.1 -10 -5 256.1 255.6 260.6 260.4 261.7 259.7 260.0 267.6 264.5 267.3 259.7 264.2 -5 0 254.6 255.5 258.6 261.1 264.9 259.9 264.1 271.2 267.3 265.2 256.2 258.3 0 5 253.9 255.5 258.4 262.1 270.9 263.2 273.0 278.1 275.0 268.4 257.9 255.1 5 10 253.2 254.5 262.8 267.7 280.0 272.8 283.3 285.9 282.7 272.7 261.7 255.2 10 15 252.2 253.9 270.6 278.2 289.4 286.1 290.6 290.6 286.9 274.7 263.9 255.7 15 20 253.0 256.0 277.2 288.9 295.7 296.3 292.7 290.1 286.1 273.0 262.7 253.9 20 25 259.3 263.2 282.6 297.2 298.9 299.3 291.9 286.5 281.5 269.2 259.9 251.8 25 30 275.2 279.0 295.0 306.7 304.3 300.3 293.6 285.9 278.1 267.9 260.8 256.6 30 35 301.7 305.8 324.2 324.6 318.1 308.8 301.1 292.2 280.6 273.7 269.9 274.5 35 40 334.2 342.8 368.9 353.2 340.1 328.3 312.7 303.2 289.6 286.1 286.3 302.8 40 45 363.8 384.1 413.8 386.7 363.8 351.1 324.8 313.7 301.6 299.5 304.3 330.8 45 50 385.5 422.0 442.8 415.9 382.7 364.5 335.2 320.5 313.8 309.6 319.1 348.0 50 55 402.2 449.3 453.5 436.1 396.1 364.5 343.8 324.2 323.7 316.3 329.3 354.3 55 60 419.1 461.6 453.8 450.3 408.6 360.4 349.2 324.9 327.1 321.9 333.0 356.4 60 65 437.4 459.1 450.6 464.4 422.5 364.2 349.3 321.8 321.2 327.4 326.2 357.5 65 70 452.6 446.8 444.9 480.7 435.1 378.3 344.5 315.8 308.6 331.8 309.5 356.0 70 75 461.5 432.8 439.1 495.6 442.8 393.8 338.5 309.2 296.0 333.2 291.9 351.7 75 80 465.9 424.3 438.7 503.6 445.1 399.9 334.0 303.2 287.6 329.8 284.5 349.4 80 85 469.6 422.1 445.5 503.4 445.0 395.0 330.8 297.8 282.7 322.4 289.2 353.2 85 90 472.9 422.7 453.0 500.4 444.6 387.8 328.8 294.2 279.8 315.8 296.9 358.9 1971 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 296.3 284.0 274.5 294.4 275.5 271.2 261.4 272.6 292.6 301.7 362.2 301.6 -85 -80 302.0 292.5 282.0 303.6 280.5 275.7 268.1 273.3 289.1 302.6 370.3 305.9 -80 -75 309.5 302.5 291.9 314.9 288.0 283.6 277.5 274.9 286.8 307.9 378.8 311.7 -75 -70 315.1 307.5 300.0 320.5 295.7 292.9 286.5 281.6 294.8 322.2 382.0 318.1 -70 -65 318.4 305.9 306.3 318.5 303.3 301.8 296.1 297.7 316.9 344.4 379.7 327.6 -65 -60 318.7 299.8 312.2 312.7 311.4 310.2 307.9 320.6 345.5 365.5 373.3 339.6 -60 -55 314.4 292.1 315.5 307.4 318.0 318.8 320.2 339.3 366.9 376.4 363.5 346.8 -55 -50 305.4 285.8 311.1 302.6 319.6 326.3 328.1 344.5 373.4 374.9 349.9 341.3 -50 -45 295.0 282.6 298.3 294.8 313.1 327.6 327.1 338.0 366.0 364.6 334.0 323.8 -45 -40 286.7 281.4 282.1 283.1 299.9 318.5 316.6 327.7 349.7 348.7 318.9 303.4 -40 -35 281.2 278.7 268.6 271.2 285.6 299.8 300.6 316.5 328.2 328.5 306.3 288.9 -35 -30 276.8 272.5 261.2 262.8 274.5 278.8 284.2 301.4 305.7 307.7 295.9 280.6 -30 -25 272.7 265.3 258.9 258.7 267.8 263.0 271.8 283.0 287.2 291.2 286.6 275.0 -25 -20 269.9 261.1 258.7 257.3 263.7 254.9 264.2 267.4 275.0 280.1 277.8 270.4 -20 -15 268.3 260.9 259.4 256.7 259.9 252.0 259.8 260.0 267.1 271.4 269.0 267.2 -15 -10 265.8 262.2 260.3 257.3 256.4 251.8 256.7 259.8 262.0 263.5 260.7 264.4 -10 -5 260.8 261.3 260.9 260.6 255.3 254.6 255.2 263.4 261.8 259.7 255.5 260.1 -5 0 255.4 257.2 259.9 267.1 259.4 262.1 258.0 268.4 267.2 262.4 255.2 255.4 0 5 252.7 253.0 257.9 274.9 269.0 274.2 266.3 275.8 275.5 269.1 259.0 254.9 5 10 253.2 252.5 257.7 281.5 280.3 286.8 278.1 285.8 282.7 274.6 264.4 260.6 10 15 253.4 255.4 260.6 284.3 288.3 294.1 287.7 293.7 286.2 276.5 268.9 267.6 15 20 251.1 257.9 265.2 283.7 291.4 294.2 290.5 293.7 285.8 275.0 270.0 268.6 20 25 249.9 259.4 270.6 284.4 294.2 290.9 287.9 286.9 282.7 272.3 267.5 263.0 25 30 258.6 267.6 281.7 293.9 303.5 291.5 286.9 282.5 280.7 270.8 265.5 259.8 30 35 283.3 291.9 306.5 316.3 322.2 302.3 293.2 288.2 284.1 272.6 269.9 269.4 35 40 319.2 332.0 345.9 347.4 345.7 323.3 306.2 301.1 293.7 278.2 282.6 292.6 40 45 354.2 374.0 389.2 377.5 366.1 348.2 320.3 310.6 305.8 285.9 299.2 319.6 45 50 381.3 402.4 420.0 398.3 379.2 368.2 331.2 312.4 315.5 294.4 313.6 339.2 50 55 405.2 415.9 432.0 409.7 387.3 376.4 337.7 312.1 318.8 303.9 323.3 348.9 55 60 431.4 423.5 433.6 417.6 395.3 373.4 339.7 314.9 315.4 314.5 328.9 349.9 60 65 454.2 431.2 438.2 428.5 404.2 366.1 337.2 317.6 309.1 325.5 330.4 339.3 65 70 463.7 437.4 451.3 443.8 410.4 361.0 331.6 314.6 305.3 335.5 328.1 315.6 70 75 460.9 439.6 467.5 458.4 411.6 359.6 325.6 306.3 304.6 341.6 324.6 288.9 75 80 458.9 439.3 478.5 465.1 409.9 359.3 321.2 298.5 301.6 341.2 324.1 277.3 80 85 466.7 439.4 481.2 462.8 408.3 357.6 318.1 294.9 293.1 334.4 327.5 286.8 85 90 477.3 440.5 479.8 457.8 407.9 355.4 316.1 294.3 284.4 327.2 331.3 301.8 1972 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 281.9 268.9 267.6 277.9 268.6 256.4 274.8 308.7 318.8 314.3 388.2 337.8 -85 -80 290.4 273.9 274.1 276.4 276.8 267.5 281.7 310.3 299.2 312.2 383.3 343.9 -80 -75 299.1 280.7 283.2 277.6 286.9 281.1 291.5 313.5 283.4 314.7 381.1 351.4 -75 -70 303.8 287.7 291.1 285.6 293.8 289.1 301.0 321.9 294.8 329.9 388.8 356.1 -70 -65 310.0 295.8 296.4 299.6 299.0 292.9 311.0 338.2 335.1 357.3 403.7 359.0 -65 -60 323.1 304.2 299.5 313.2 306.9 300.6 323.4 358.2 380.8 385.1 411.9 362.6 -60 -55 336.4 308.4 300.1 317.7 316.6 315.3 337.5 372.3 403.8 399.0 400.4 363.8 -55 -50 336.1 305.5 296.9 309.4 320.3 329.2 348.0 374.5 398.8 394.8 373.0 356.2 -50 -45 317.8 297.3 289.2 293.1 311.9 330.7 350.0 366.8 379.9 379.0 345.4 337.4 -45 -40 292.8 287.5 278.3 276.9 295.0 317.1 341.8 354.0 357.4 359.3 328.4 313.9 -40 -35 275.1 277.7 267.2 265.7 278.5 296.3 325.5 338.1 333.0 338.4 319.4 295.1 -35 -30 268.5 268.4 259.3 259.7 268.6 278.5 306.4 319.1 309.7 318.1 309.6 285.5 -30 -25 268.0 261.2 256.5 256.9 264.6 267.2 288.7 298.7 294.1 301.0 296.3 281.9 -25 -20 267.9 257.8 257.7 255.7 263.1 260.6 274.5 280.4 286.3 287.9 282.8 278.3 -20 -15 265.8 258.4 259.9 255.8 262.2 256.7 264.0 267.0 278.7 276.8 272.2 271.2 -15 -10 262.1 261.1 260.7 257.4 261.4 255.1 257.1 259.3 268.0 266.9 265.2 262.1 -10 -5 257.4 262.7 260.2 260.1 260.9 256.6 254.7 257.8 260.3 260.9 260.7 253.9 -5 0 253.0 261.7 259.5 263.3 262.1 261.4 258.2 262.0 262.0 260.4 257.8 248.9 0 5 252.0 260.1 259.8 267.9 267.2 268.6 266.8 269.5 270.9 263.2 256.1 247.0 5 10 256.0 261.5 261.7 274.9 277.5 276.8 277.3 276.8 278.3 266.2 256.1 246.0 10 15 262.4 266.2 264.7 283.4 290.0 283.6 285.1 281.2 280.0 269.0 257.6 244.6 15 20 265.5 270.7 268.7 291.1 299.7 287.9 287.5 282.1 279.4 272.0 259.9 243.5 20 25 264.2 273.8 276.0 297.9 305.1 291.2 286.5 281.3 281.1 274.7 262.0 245.5 25 30 265.4 281.8 291.2 307.4 310.7 297.8 287.6 282.5 285.0 276.8 266.5 254.8 30 35 278.8 303.1 317.0 323.0 322.9 311.4 295.5 287.9 288.3 280.4 277.5 273.9 35 40 307.2 337.6 349.3 345.0 343.3 330.1 309.3 296.5 291.4 288.2 294.9 300.0 40 45 341.8 372.5 380.0 369.2 365.4 348.1 324.5 305.2 298.5 300.1 313.4 325.9 45 50 370.8 395.6 404.4 390.5 381.7 359.7 336.5 312.0 311.7 312.6 327.5 344.7 50 55 388.9 409.2 423.6 406.7 390.2 364.9 342.9 316.6 324.9 321.6 335.7 355.7 55 60 396.6 426.0 438.9 418.9 395.1 367.9 343.1 318.6 327.9 324.7 340.0 363.1 60 65 392.8 453.4 448.1 429.1 400.0 371.7 338.4 317.5 319.2 323.9 341.2 369.0 65 70 376.7 486.2 449.5 438.5 404.0 375.8 332.3 314.2 308.4 323.2 339.3 372.5 70 75 357.2 512.4 447.9 446.5 405.4 377.9 327.7 310.5 302.9 322.9 336.8 373.4 75 80 349.4 524.7 451.3 450.7 405.1 376.9 324.7 306.1 299.0 319.3 337.3 375.0 80 85 358.2 525.4 461.2 450.4 404.8 373.9 321.7 300.8 290.8 310.9 341.4 379.7 85 90 370.8 522.3 470.4 448.4 404.9 371.3 319.2 296.6 282.2 302.9 345.2 384.7 1973 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 298.6 277.8 270.8 262.2 284.0 272.9 253.2 266.6 282.6 291.3 348.1 322.9 -85 -80 298.5 283.6 279.0 265.4 288.9 272.2 256.0 267.2 278.4 292.4 347.1 325.7 -80 -75 301.9 292.5 293.2 273.8 296.4 275.1 261.6 270.0 276.3 300.1 346.9 331.0 -75 -70 313.1 302.5 309.1 288.2 304.1 284.5 270.4 280.3 287.9 320.5 351.1 338.4 -70 -65 331.4 312.0 321.1 305.6 311.8 297.2 282.1 302.2 319.6 350.7 361.2 346.5 -65 -60 348.9 319.1 325.6 319.8 320.7 306.9 294.1 330.5 360.5 376.9 370.8 351.6 -60 -55 354.3 320.9 322.8 324.9 328.8 311.3 303.5 351.0 387.3 386.4 369.7 348.2 -55 -50 342.7 316.1 314.9 318.6 330.9 314.0 308.8 354.2 386.0 379.3 354.6 334.9 -50 -45 319.8 305.3 302.8 303.3 322.0 318.2 311.4 345.0 365.7 364.4 332.9 315.8 -45 -40 296.1 290.0 286.2 284.3 303.4 319.2 311.5 334.2 344.6 348.3 314.5 297.3 -40 -35 278.4 273.0 267.6 267.2 281.3 309.7 306.5 324.8 329.6 330.2 302.3 283.1 -35 -30 268.4 258.9 253.8 256.2 263.4 289.3 295.0 311.5 315.5 310.3 292.9 272.5 -30 -25 264.4 251.8 250.7 252.3 253.2 266.6 280.3 292.7 297.9 293.3 283.0 264.4 -25 -20 263.2 251.5 255.8 252.1 250.1 252.2 267.7 274.4 279.8 282.4 273.4 259.5 -20 -15 261.5 253.2 260.7 252.0 251.2 249.4 260.3 263.7 266.9 276.3 266.0 258.3 -15 -10 257.5 253.4 259.6 251.3 253.6 253.8 257.8 261.8 261.2 272.3 261.3 258.7 -10 -5 252.8 252.0 254.9 252.4 256.5 258.8 258.3 264.5 260.4 269.7 258.6 257.3 -5 0 250.2 251.3 252.6 257.6 260.6 262.1 260.6 268.0 261.5 268.9 257.0 253.7 0 5 250.1 251.6 255.3 265.9 266.9 265.9 264.9 272.0 263.7 268.8 256.4 251.4 5 10 250.1 251.9 260.9 273.7 275.1 272.9 272.4 277.8 268.9 269.1 258.8 253.7 10 15 248.1 250.8 265.8 277.7 283.2 282.1 281.3 283.8 276.1 271.4 265.1 260.1 15 20 245.6 249.1 269.1 278.3 289.8 289.8 288.1 285.9 280.0 275.4 272.0 266.9 20 25 247.7 251.4 273.8 280.3 295.5 294.4 290.9 283.1 277.5 278.2 275.4 272.2 25 30 260.6 265.0 285.3 290.4 303.9 299.2 292.3 281.9 274.0 278.0 275.7 279.0 30 35 285.9 294.1 307.6 311.0 318.4 308.7 296.7 288.1 277.6 277.9 279.1 290.9 35 40 317.5 332.7 339.2 339.5 339.0 324.2 306.6 299.7 288.8 282.7 290.5 307.6 40 45 344.5 368.1 372.3 370.1 360.7 342.3 320.6 309.5 300.6 293.7 307.5 324.5 45 50 360.7 392.9 397.6 396.3 377.0 358.1 334.0 314.3 307.8 306.9 322.6 338.2 50 55 368.2 412.5 411.4 414.2 385.0 368.7 342.3 318.6 312.1 316.3 330.8 350.5 55 60 373.4 436.1 419.7 424.3 388.0 373.4 343.3 324.7 316.3 319.8 332.3 363.6 60 65 378.5 465.4 433.3 430.8 392.2 372.4 339.2 328.4 318.5 321.4 330.4 373.7 65 70 381.0 492.6 457.0 439.0 400.2 367.9 334.4 324.3 315.7 325.9 328.1 375.2 70 75 380.4 508.4 482.8 448.7 408.4 363.1 331.1 314.5 309.1 333.0 327.2 370.4 75 80 380.6 509.9 497.1 454.9 411.9 360.3 328.2 305.5 301.4 336.7 328.5 368.9 80 85 384.1 502.3 495.5 454.6 410.1 359.9 323.9 301.0 294.2 333.3 331.1 376.3 85 90 388.2 495.1 488.3 451.4 407.3 360.3 320.1 299.9 289.5 327.5 333.3 385.4 1974 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 283.7 268.2 250.2 226.1 249.4 253.7 239.5 245.2 277.4 311.5 357.3 335.3 -85 -80 292.1 273.9 253.2 233.0 259.3 257.0 251.9 250.2 261.9 305.1 363.5 343.5 -80 -75 302.1 282.8 262.1 245.8 270.9 263.1 266.4 254.6 252.9 305.4 369.5 352.4 -75 -70 308.9 292.5 277.4 262.7 277.2 271.2 274.4 258.8 271.3 325.0 371.9 356.3 -70 -65 314.8 300.3 293.9 280.7 280.2 280.4 278.5 273.0 316.3 360.4 372.6 356.7 -65 -60 321.9 302.6 302.7 295.5 287.0 289.5 288.2 305.2 360.0 390.7 373.0 357.4 -60 -55 325.6 297.2 299.5 301.5 299.2 296.5 307.7 347.7 373.6 396.5 369.4 356.2 -55 -50 318.8 287.8 289.5 296.9 309.5 300.7 330.0 379.6 360.1 380.5 357.4 346.0 -50 -45 301.1 280.5 279.7 285.9 310.0 303.7 343.2 385.9 345.7 361.0 340.2 325.5 -45 -40 281.2 276.6 271.9 275.0 300.9 306.9 341.4 369.8 343.6 349.3 325.8 303.7 -40 -35 266.9 271.7 264.7 267.9 288.9 307.7 327.4 344.8 343.5 341.1 317.0 290.3 -35 -30 259.0 262.0 257.8 264.1 279.0 301.9 308.2 321.0 332.2 329.2 309.9 286.5 -30 -25 254.3 250.9 253.4 261.2 271.6 288.9 290.0 301.1 311.8 313.5 300.8 285.6 -25 -20 250.5 245.3 253.0 258.6 266.3 274.0 276.1 284.8 292.8 298.5 290.5 281.3 -20 -15 248.2 247.8 254.3 257.1 263.4 263.3 266.9 271.6 279.6 285.3 281.5 272.7 -15 -10 247.2 253.1 254.3 256.4 261.9 258.6 260.7 262.1 270.3 273.4 273.7 262.3 -10 -5 245.6 253.4 252.6 255.1 260.1 257.8 256.2 256.6 263.0 263.4 265.4 252.6 -5 0 242.5 246.9 251.4 253.3 258.5 257.8 254.0 255.5 258.2 256.4 256.0 245.1 0 5 240.8 240.9 253.2 254.4 260.2 260.1 256.1 259.0 257.5 253.2 248.2 240.9 5 10 244.2 245.1 259.0 262.0 269.2 267.9 264.7 266.6 261.2 254.2 246.5 240.2 10 15 252.7 260.3 267.9 274.5 284.4 280.9 277.7 275.9 268.3 259.3 251.3 241.4 15 20 262.1 277.8 277.5 285.9 299.0 293.5 288.5 283.1 275.9 265.8 257.6 242.8 20 25 269.7 289.2 286.5 293.3 307.1 300.5 292.8 286.4 281.0 269.6 260.2 245.8 25 30 278.6 297.0 297.3 301.4 310.1 303.8 293.4 289.2 283.4 270.1 260.3 255.0 30 35 294.9 311.2 314.0 317.3 316.0 310.0 297.4 295.3 285.9 271.6 265.7 274.0 35 40 319.8 337.5 338.5 343.0 330.9 323.8 308.5 303.6 291.2 278.8 280.4 299.7 40 45 346.3 369.6 366.4 371.9 352.8 341.9 323.4 310.9 299.8 292.0 300.3 323.6 45 50 365.9 395.9 389.2 394.8 374.8 356.5 335.3 316.3 310.1 307.0 319.2 340.6 50 55 377.9 409.8 400.2 409.1 392.0 363.4 340.6 321.9 318.2 318.5 334.4 354.0 55 60 386.8 411.0 401.7 418.9 404.8 365.0 339.6 327.3 320.1 324.5 345.0 368.5 60 65 394.2 401.0 404.0 429.4 415.3 365.9 335.6 327.8 316.6 328.1 347.7 381.1 65 70 396.6 383.5 416.4 442.2 423.4 368.8 331.9 322.0 312.7 332.7 340.6 385.2 70 75 393.5 367.2 438.3 454.8 428.0 373.1 330.0 315.5 311.4 337.4 328.1 381.4 75 80 391.3 362.6 460.1 463.1 430.2 376.7 328.2 315.0 308.7 337.3 319.6 379.7 80 85 394.9 370.4 473.5 465.9 432.1 378.6 325.3 320.3 300.9 330.4 319.1 386.6 85 90 400.2 379.9 478.2 465.5 433.7 379.2 322.5 325.3 293.0 322.9 322.3 395.6 1975 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 299.0 263.3 265.3 274.1 271.0 256.8 264.0 263.7 276.3 321.6 334.0 319.7 -85 -80 303.9 268.3 266.5 274.0 281.1 267.5 271.1 266.6 269.7 309.2 334.6 327.0 -80 -75 309.9 274.9 273.2 277.1 293.2 280.8 280.5 270.2 265.4 305.5 338.5 335.7 -75 -70 315.1 282.2 287.7 285.3 300.5 289.1 289.0 276.3 276.6 329.5 348.0 341.4 -70 -65 322.0 293.3 305.6 296.5 304.4 293.2 298.4 291.3 309.4 373.9 360.6 344.8 -65 -60 331.5 308.2 316.4 304.9 311.8 300.6 311.3 317.5 352.2 406.7 367.5 348.5 -60 -55 337.9 318.6 312.9 305.6 323.2 314.2 325.1 346.5 381.5 403.1 361.9 349.6 -55 -50 334.0 315.4 299.0 299.0 328.2 326.1 333.2 364.7 382.7 374.1 345.8 341.0 -50 -45 320.3 300.3 284.3 288.5 317.0 325.6 331.2 363.9 363.2 348.1 327.6 321.4 -45 -40 304.2 283.6 275.0 278.1 292.5 310.7 320.6 346.7 340.1 337.1 313.8 298.4 -40 -35 291.7 273.4 270.7 270.0 269.2 290.0 305.5 322.2 322.0 330.7 304.4 282.0 -35 -30 283.5 269.9 268.0 264.4 258.0 273.6 289.1 297.9 307.9 317.7 296.6 276.4 -30 -25 276.9 268.9 265.5 260.7 257.6 264.6 273.7 278.0 294.6 299.5 289.0 277.4 -25 -20 270.8 267.0 263.5 257.8 259.1 259.7 261.8 263.6 280.9 282.8 280.4 278.0 -20 -15 265.7 263.6 261.6 255.3 255.9 255.5 255.2 253.8 267.7 269.2 271.2 274.0 -15 -10 261.2 259.7 259.5 253.3 249.4 251.3 253.6 248.1 257.6 257.4 264.4 266.3 -10 -5 256.0 254.7 257.2 252.4 245.4 248.5 255.0 247.3 254.1 250.2 263.8 258.6 -5 0 249.4 248.1 255.2 252.9 248.0 249.1 258.1 252.5 257.8 251.3 268.1 255.6 0 5 243.2 242.4 253.8 254.6 256.3 254.2 263.5 262.6 266.1 260.3 271.4 258.6 5 10 239.7 242.0 254.4 257.8 266.6 263.8 272.6 274.0 274.7 271.3 269.8 264.9 10 15 240.1 248.5 258.5 263.0 276.3 275.8 283.7 282.4 280.3 278.2 265.9 269.5 15 20 244.4 258.1 266.5 271.6 285.4 286.7 291.5 285.2 281.1 278.8 264.7 268.9 20 25 252.8 267.3 278.7 284.7 295.3 295.3 293.3 284.3 278.6 274.7 267.2 265.4 25 30 266.5 279.7 295.8 302.4 307.2 303.2 293.1 284.9 278.1 270.4 271.1 266.8 30 35 285.9 302.0 318.6 323.6 322.1 313.6 297.4 290.7 283.5 271.8 277.2 279.4 35 40 307.8 333.8 345.3 346.8 340.9 327.4 308.5 300.1 292.6 281.2 288.8 301.8 40 45 329.4 364.5 372.1 371.1 362.2 341.5 322.0 308.7 299.9 295.8 306.5 324.2 45 50 353.4 385.8 396.3 396.3 382.1 352.2 331.8 314.2 303.7 309.0 323.7 337.8 50 55 383.1 401.5 417.6 419.9 395.5 358.3 336.3 317.9 306.7 314.1 329.6 341.8 55 60 411.6 420.9 437.2 438.0 400.5 363.0 338.0 320.9 310.8 309.2 319.6 341.4 60 65 424.0 444.7 455.2 448.6 400.6 368.6 339.9 320.8 313.3 299.7 300.8 339.7 65 70 411.7 464.2 470.5 452.3 400.8 375.4 342.3 316.1 310.5 293.5 285.6 335.0 70 75 387.4 471.9 481.8 450.0 403.0 381.5 342.6 308.1 301.9 292.4 279.6 329.0 75 80 375.5 468.8 487.9 441.0 405.5 383.8 337.2 298.9 288.0 291.9 279.1 327.2 80 85 385.5 462.3 489.2 427.7 406.6 382.6 327.3 290.3 271.9 287.2 278.1 332.4 85 90 401.4 458.2 488.3 417.6 406.7 380.4 318.9 284.7 260.7 281.6 276.0 339.2 1976 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 289.5 257.9 247.3 265.5 270.8 269.4 267.7 307.1 272.8 280.2 331.9 312.4 -85 -80 292.2 267.3 259.7 273.4 277.5 273.2 272.0 308.6 260.9 281.6 339.4 317.7 -80 -75 295.7 279.4 275.3 283.5 286.2 280.1 279.0 313.5 253.8 286.3 348.1 324.0 -75 -70 301.5 289.1 286.1 291.1 293.1 289.1 288.3 323.9 269.1 298.6 353.9 328.9 -70 -65 313.8 296.6 291.6 296.4 299.5 299.0 299.9 337.8 308.2 319.8 358.8 336.2 -65 -60 330.4 303.5 295.9 302.1 307.8 308.0 312.8 347.5 350.2 345.4 363.8 349.0 -60 -55 339.5 308.5 298.6 306.3 316.2 314.5 322.9 346.9 370.2 366.5 365.5 360.9 -55 -50 330.6 307.4 295.8 303.5 317.6 315.8 326.1 339.1 365.0 375.1 358.2 359.1 -50 -45 307.8 298.6 287.5 292.3 308.2 310.3 322.2 331.2 350.9 369.8 343.4 339.1 -45 -40 285.9 285.1 278.4 279.4 292.6 300.1 314.8 324.8 340.3 356.3 328.5 310.8 -40 -35 275.0 272.4 272.9 271.7 279.1 289.7 307.4 316.6 331.6 340.2 317.3 289.8 -35 -30 272.8 265.0 269.5 269.4 271.5 282.6 300.8 305.7 319.2 325.3 308.5 282.4 -30 -25 271.5 263.4 265.2 267.2 267.4 277.7 292.4 294.6 303.4 312.9 298.7 282.5 -25 -20 267.4 264.2 260.3 261.5 263.3 271.7 280.8 284.3 287.8 300.1 286.1 279.5 -20 -15 262.9 263.7 258.5 255.2 258.6 263.4 267.6 273.4 274.3 284.4 272.7 269.5 -15 -10 260.7 261.9 261.2 253.6 256.0 256.5 257.5 262.4 264.6 269.4 262.3 256.8 -10 -5 260.4 260.7 264.8 258.3 257.7 256.7 256.1 256.6 262.3 262.6 257.5 248.2 -5 0 261.1 261.5 264.3 266.2 263.9 265.3 264.4 261.1 268.3 266.1 257.8 246.1 0 5 263.5 263.3 260.6 273.2 272.7 277.5 276.8 273.1 277.4 273.5 260.0 248.0 5 10 267.9 265.7 260.0 278.4 281.7 286.6 286.1 284.0 283.1 277.0 261.6 250.1 10 15 271.5 268.6 266.6 282.7 288.4 289.9 288.5 287.4 283.3 275.4 262.4 251.3 15 20 270.1 271.4 276.7 286.8 292.0 289.9 286.4 284.6 281.0 272.7 262.8 253.1 20 25 265.6 274.1 285.2 292.0 294.9 290.6 284.9 281.3 278.7 272.4 263.7 257.7 25 30 267.2 280.7 293.6 301.5 301.1 295.0 288.1 281.7 278.6 275.0 267.4 267.0 30 35 283.9 297.4 308.9 317.6 313.5 304.3 295.9 286.4 282.9 280.1 277.1 282.2 35 40 314.3 325.4 334.9 339.0 331.4 319.1 306.5 294.1 292.2 287.6 291.5 302.5 40 45 345.1 357.3 366.1 362.3 351.1 337.5 318.0 303.5 304.3 297.8 305.3 324.1 45 50 364.8 382.7 392.7 384.7 369.3 354.0 329.2 313.0 314.0 309.9 314.8 341.1 50 55 373.5 396.3 408.7 405.7 384.1 362.2 337.3 318.6 315.2 320.1 322.0 349.6 55 60 376.5 401.8 414.3 424.5 394.6 361.2 338.7 315.9 308.0 323.8 330.4 350.9 60 65 372.1 407.1 412.1 438.5 399.4 358.1 333.4 307.1 300.8 318.9 337.8 348.3 65 70 355.8 415.1 407.6 447.0 398.8 360.4 326.4 299.7 301.7 309.0 339.4 344.3 70 75 334.0 423.0 411.0 452.6 397.6 367.0 322.4 298.2 307.7 298.4 334.7 340.6 75 80 322.9 424.9 431.9 459.3 401.7 370.5 321.7 299.6 306.8 288.0 328.1 339.7 80 85 329.2 420.2 465.9 467.6 411.5 366.8 320.9 298.6 293.5 277.7 323.8 342.5 85 90 340.8 414.7 492.7 473.6 420.1 361.1 319.6 296.0 279.1 270.4 322.3 346.0 1977 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 286.6 263.0 264.6 260.0 275.9 266.5 276.3 285.0 260.2 284.5 340.3 338.7 -85 -80 293.3 271.0 268.9 259.8 277.3 278.6 280.3 284.9 261.8 292.2 336.8 346.5 -80 -75 300.6 279.8 276.4 263.3 281.1 292.8 287.4 285.0 265.1 303.8 336.0 354.0 -75 -70 305.1 285.5 286.3 274.5 288.2 300.9 297.0 289.9 276.9 319.1 344.3 354.6 -70 -65 310.9 291.2 296.7 293.0 298.3 305.0 308.9 305.3 304.0 338.1 360.7 350.5 -65 -60 322.1 300.6 303.9 311.6 308.0 313.2 322.0 329.6 342.1 357.4 375.1 348.0 -60 -55 333.7 309.9 303.9 319.4 312.6 326.9 334.0 351.7 374.7 371.1 376.1 347.3 -55 -50 334.8 310.9 297.1 312.0 310.7 336.6 342.5 360.5 386.5 373.1 363.1 342.3 -50 -45 321.9 301.9 288.2 295.7 305.7 332.6 345.4 356.1 377.9 364.2 345.8 329.3 -45 -40 302.6 289.0 281.9 281.6 301.3 317.1 339.8 346.7 361.1 350.9 332.8 313.0 -40 -35 286.7 278.2 278.0 274.7 296.7 300.0 324.2 335.9 344.3 336.7 323.3 301.1 -35 -30 277.4 270.6 272.9 271.9 287.8 287.3 301.7 320.6 326.8 321.2 311.8 294.9 -30 -25 270.7 264.3 264.9 267.0 273.4 276.5 278.7 298.7 305.9 303.2 295.8 289.1 -25 -20 263.0 257.5 256.2 258.6 258.5 265.2 261.5 275.2 283.6 283.1 278.0 279.4 -20 -15 254.3 251.7 250.7 250.6 249.5 254.8 252.1 258.3 265.5 265.4 263.5 267.5 -15 -10 247.0 248.4 250.0 246.9 248.0 249.4 249.2 252.7 257.7 256.3 256.9 259.1 -10 -5 242.6 246.4 251.2 247.8 250.2 250.9 251.2 257.3 261.5 258.6 259.0 257.5 -5 0 240.4 242.8 251.1 250.5 253.1 257.2 257.3 266.0 270.6 267.3 264.4 259.9 0 5 239.3 238.0 250.0 254.0 257.7 265.5 266.4 273.2 276.5 272.7 265.0 261.1 5 10 239.5 236.5 251.7 260.3 267.0 275.2 276.3 277.6 275.9 270.1 258.2 257.1 10 15 242.0 241.7 258.5 270.8 279.9 285.7 283.7 280.6 272.4 264.0 249.5 249.3 15 20 247.3 251.8 268.6 284.1 291.8 295.0 286.4 282.6 270.6 261.1 246.2 243.1 20 25 257.0 263.9 279.3 297.7 300.8 301.2 286.5 283.6 271.8 263.8 250.2 244.5 25 30 274.9 280.9 292.0 312.0 311.0 306.4 289.2 284.9 276.1 270.0 258.3 256.9 30 35 303.9 309.3 311.5 329.1 327.9 315.4 298.4 290.3 283.5 277.9 267.9 278.8 35 40 340.4 349.0 340.2 349.9 351.2 330.7 312.9 301.1 292.2 286.7 279.7 303.9 40 45 373.5 388.1 373.7 372.8 373.9 348.8 328.0 314.2 300.1 295.9 294.9 324.5 45 50 392.3 413.6 404.9 395.1 389.3 363.1 339.5 325.5 307.5 305.2 312.4 338.0 50 55 396.8 424.8 428.8 414.6 397.2 370.6 346.0 332.6 315.6 314.1 326.8 346.7 55 60 393.7 431.7 445.4 429.9 402.6 373.0 347.9 334.9 322.3 321.4 332.2 351.8 60 65 387.8 441.8 456.2 440.8 407.5 373.3 346.1 333.3 323.0 325.4 328.0 349.4 65 70 380.0 452.7 462.2 448.0 410.0 372.6 343.0 329.2 317.0 326.6 320.6 336.4 70 75 372.4 459.0 466.1 453.3 410.0 370.4 340.1 323.3 308.6 326.4 317.7 319.7 75 80 370.7 458.8 471.1 457.8 411.1 366.6 336.2 314.6 301.2 324.9 322.4 312.2 80 85 376.7 454.7 477.8 461.5 415.7 362.4 330.5 304.0 294.7 321.5 331.0 318.7 85 90 383.9 451.2 483.3 463.5 420.5 359.8 325.6 296.0 290.3 318.1 337.5 328.9 1978 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 300.9 291.7 280.5 249.0 269.5 265.0 276.3 285.7 287.5 310.3 360.0 331.5 -85 -80 307.1 296.8 282.1 246.1 271.0 267.6 280.2 285.8 276.2 300.0 356.0 326.6 -80 -75 313.9 303.8 287.7 253.1 275.1 274.0 287.3 287.9 269.8 298.0 354.3 324.8 -75 -70 317.9 310.7 297.4 277.8 282.7 283.4 297.1 296.2 284.9 320.9 361.6 332.1 -70 -65 322.0 316.2 305.8 309.2 292.5 293.2 309.2 312.8 321.0 362.6 376.5 345.7 -65 -60 328.8 317.4 305.6 325.1 300.8 301.3 322.0 333.2 357.2 395.5 387.5 354.7 -60 -55 332.9 312.1 296.9 315.0 304.9 308.3 333.0 349.6 372.7 398.4 382.4 351.1 -55 -50 326.6 302.0 288.1 292.5 305.1 315.8 341.0 357.9 369.9 380.1 361.9 337.7 -50 -45 310.6 292.2 286.2 277.7 303.5 322.3 344.9 359.0 364.9 362.4 339.3 323.7 -45 -40 294.4 286.6 288.7 275.9 300.7 322.2 341.6 353.2 362.7 352.7 324.5 314.9 -40 -35 284.7 283.5 287.3 277.6 293.9 311.5 328.5 338.4 354.1 342.0 316.4 309.9 -35 -30 279.9 279.2 278.5 272.9 281.3 293.3 307.2 316.3 333.3 323.7 307.8 303.0 -30 -25 274.1 272.8 266.7 261.9 265.6 275.5 284.8 293.4 307.9 303.0 295.8 291.5 -25 -20 265.5 265.8 258.4 252.6 254.3 264.5 269.1 276.5 287.9 287.1 282.9 277.6 -20 -15 258.2 260.8 256.3 250.4 252.3 260.6 262.7 267.1 276.0 276.5 272.5 265.3 -15 -10 255.8 259.5 258.7 254.6 257.0 261.2 263.1 263.1 270.3 269.3 265.9 257.2 -10 -5 256.9 261.1 262.6 261.4 261.7 263.1 266.2 263.1 269.8 266.7 263.0 253.3 -5 0 256.9 261.2 265.1 267.6 262.9 265.7 269.2 266.3 273.8 269.5 262.9 253.3 0 5 253.2 257.0 264.2 271.8 263.4 269.5 271.9 271.3 278.2 273.2 264.0 256.3 5 10 247.8 249.7 260.1 274.0 268.0 274.2 275.8 275.5 279.1 272.9 265.2 260.7 10 15 243.9 243.8 255.7 274.5 276.4 277.8 280.7 277.1 276.1 268.9 265.7 264.7 15 20 243.3 243.6 255.5 275.2 284.1 279.2 284.1 276.3 273.1 265.8 265.1 266.7 20 25 246.6 251.7 264.2 280.4 288.6 280.4 284.8 275.5 273.1 266.4 263.9 267.1 25 30 257.4 270.2 284.1 293.6 294.1 285.5 285.4 278.2 276.3 269.6 264.3 269.3 30 35 280.5 299.1 312.8 315.3 308.5 297.9 290.6 286.2 281.6 273.6 269.5 277.9 35 40 314.7 332.6 343.2 342.1 334.1 317.5 302.6 297.9 288.1 279.0 279.7 294.9 40 45 349.1 362.4 367.6 369.6 363.5 339.4 318.4 309.8 295.9 287.8 292.5 316.2 45 50 370.3 385.6 383.8 393.9 385.5 356.2 332.2 318.8 304.9 299.4 306.3 333.3 50 55 375.5 404.4 394.6 411.1 396.1 363.3 339.7 323.4 311.8 309.0 320.6 340.4 55 60 373.6 418.0 404.0 421.3 399.7 362.8 340.2 323.6 313.0 311.9 330.4 339.1 60 65 373.9 420.0 413.9 428.9 402.0 361.0 337.6 321.1 310.1 310.2 327.1 335.4 65 70 378.8 406.2 424.2 437.5 404.0 362.8 336.3 318.5 309.2 309.8 308.4 333.4 70 75 386.6 383.2 434.5 444.7 403.6 367.2 336.3 316.7 313.1 312.4 283.6 334.0 75 80 396.2 363.9 443.7 443.4 400.3 369.4 333.5 313.3 315.9 312.6 266.3 336.5 80 85 406.6 355.2 450.5 431.9 396.1 367.2 326.1 306.5 311.8 306.6 262.4 340.0 85 90 414.3 354.1 454.1 420.5 393.5 363.7 319.0 300.3 305.2 299.4 265.1 342.5 1979 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 278.7 280.1 263.8 273.2 271.3 266.2 260.6 261.7 260.1 313.7 344.4 332.3 -85 -80 281.7 279.0 267.8 277.7 273.5 272.2 269.4 262.2 255.3 307.8 340.5 331.0 -80 -75 285.3 280.6 274.7 284.4 278.3 281.2 281.1 263.6 254.0 308.6 339.1 331.6 -75 -70 290.5 288.9 283.4 290.8 285.9 290.1 290.7 269.7 267.2 328.5 347.7 337.1 -70 -65 302.0 301.6 291.4 296.1 295.2 298.0 298.7 285.7 297.3 364.0 365.5 347.1 -65 -60 319.8 311.2 295.7 300.9 303.5 306.3 309.2 311.1 332.2 395.4 380.7 356.7 -60 -55 333.2 311.9 294.6 304.2 308.4 316.3 324.3 337.4 356.6 405.1 380.4 358.6 -55 -50 330.7 305.5 290.1 304.1 308.9 325.3 338.7 354.9 367.0 395.0 364.7 349.1 -50 -45 313.4 297.9 286.1 299.6 306.5 328.4 343.7 360.7 370.4 378.8 347.0 331.8 -45 -40 294.7 290.7 284.4 292.6 302.3 322.8 335.2 357.2 370.3 363.4 337.5 314.3 -40 -35 283.8 281.5 282.3 285.5 295.9 310.3 317.9 346.3 361.2 346.2 332.9 302.0 -35 -30 278.6 270.2 276.2 278.7 286.2 295.5 301.2 328.3 340.3 325.9 323.5 294.6 -30 -25 272.4 259.9 266.5 271.4 274.6 282.3 290.0 305.9 314.4 306.2 305.9 287.7 -25 -20 263.6 253.3 257.5 263.5 264.4 271.9 281.6 284.6 292.8 290.0 285.8 278.7 -20 -15 256.2 250.3 252.8 257.3 258.2 263.6 271.6 269.1 278.4 276.1 270.8 269.1 -15 -10 252.9 249.3 252.7 254.6 256.2 257.7 260.8 261.7 269.3 264.5 263.6 262.4 -10 -5 251.5 249.6 254.2 255.5 256.5 255.2 255.1 262.2 264.7 258.2 261.1 259.8 -5 0 248.7 250.1 254.7 258.7 259.2 256.9 258.9 268.0 264.7 258.7 258.2 258.7 0 5 245.6 249.8 254.8 263.9 265.7 262.7 269.5 275.5 268.4 262.3 253.0 255.8 5 10 246.9 249.7 257.9 271.9 276.1 271.5 279.8 281.8 273.6 264.6 249.3 251.0 10 15 253.8 253.0 265.2 282.1 287.2 281.4 284.8 285.3 278.5 265.9 251.5 247.6 15 20 262.4 261.4 275.0 292.1 295.9 290.2 285.5 286.6 281.8 268.9 258.3 249.2 20 25 269.6 274.7 286.7 300.8 303.5 297.2 286.8 287.1 283.6 273.1 264.3 256.3 25 30 279.5 292.7 303.6 311.2 315.1 304.0 292.0 289.2 286.1 276.1 267.5 267.7 30 35 299.5 317.6 329.1 328.3 333.1 313.8 301.4 294.7 290.8 278.1 272.2 282.5 35 40 330.5 349.3 360.5 354.6 353.6 328.6 313.5 302.9 296.4 283.0 283.6 301.3 40 45 362.0 381.8 389.1 385.9 369.7 346.4 326.9 311.2 301.3 293.3 300.2 323.2 45 50 381.4 405.3 409.6 413.9 379.2 362.1 339.4 318.5 306.0 306.1 314.9 344.2 50 55 385.2 413.4 426.1 432.4 387.5 370.6 347.0 324.4 311.5 314.3 322.8 360.3 55 60 378.2 410.2 445.7 442.6 399.7 371.7 347.2 327.3 315.1 314.6 327.6 372.2 60 65 363.4 408.7 469.2 450.3 413.3 369.7 341.9 325.7 313.2 313.1 336.1 384.3 65 70 342.2 420.6 489.7 459.9 421.8 368.7 337.0 320.4 306.7 317.8 351.6 398.5 70 75 321.4 444.7 501.1 468.6 422.0 368.8 335.3 314.2 299.8 327.2 371.2 412.3 75 80 312.0 468.8 503.8 469.9 417.8 367.1 333.4 308.1 293.8 331.1 388.8 421.9 80 85 317.7 482.2 502.6 462.8 415.1 362.4 327.9 302.1 287.8 324.4 400.0 426.8 85 90 327.6 485.8 501.2 455.0 414.8 357.9 322.1 297.9 283.0 314.9 404.7 428.4 1980 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 305.2 284.4 279.0 281.3 269.3 283.5 279.7 331.3 256.9 256.3 310.7 329.9 -85 -80 307.4 287.1 288.9 281.7 275.0 283.1 283.2 333.1 248.7 249.8 311.2 329.4 -80 -75 311.1 292.8 300.6 285.4 283.1 286.4 289.8 330.3 243.1 249.6 311.1 330.3 -75 -70 317.0 301.9 306.9 294.1 290.5 296.3 299.5 322.6 254.5 269.9 313.2 333.7 -70 -65 325.7 312.0 308.0 304.9 297.4 309.6 312.1 318.5 287.9 311.5 322.2 337.9 -65 -60 334.4 318.0 309.3 311.5 305.2 319.5 325.8 325.0 331.1 355.3 338.4 338.2 -60 -55 336.6 316.7 312.2 309.6 312.4 322.6 336.8 339.0 362.4 376.8 353.3 331.4 -55 -50 329.3 310.8 311.7 301.0 314.3 320.6 342.0 347.6 369.9 369.6 356.2 318.7 -50 -45 316.6 304.1 303.2 291.4 308.3 317.4 340.4 342.4 359.9 349.5 345.1 305.1 -45 -40 305.2 297.1 288.8 284.6 296.6 312.6 331.3 327.4 344.6 333.1 327.4 294.4 -40 -35 296.6 288.4 274.2 280.2 283.6 302.4 314.6 311.9 329.0 322.9 310.1 286.9 -35 -30 287.7 278.5 264.4 274.4 271.2 285.4 292.9 298.8 312.6 312.4 295.8 279.9 -30 -25 276.7 270.1 259.3 264.7 260.0 265.9 271.6 286.1 296.0 298.4 283.7 272.4 -25 -20 266.4 264.9 255.8 253.4 250.8 251.5 256.2 272.9 281.2 283.6 273.0 265.7 -20 -15 260.9 261.1 252.5 245.6 245.9 246.5 249.9 262.5 270.4 271.6 263.9 261.1 -15 -10 260.6 257.9 251.0 245.3 246.7 249.8 251.9 259.6 265.7 265.4 258.9 258.6 -10 -5 261.1 255.7 251.9 251.7 251.5 256.8 259.2 264.8 268.9 266.1 259.8 256.7 -5 0 258.0 254.5 253.3 258.8 257.4 262.3 267.8 273.6 277.5 271.2 264.0 255.0 0 5 251.1 252.3 252.8 261.7 263.1 264.9 274.1 280.1 284.5 275.8 266.3 254.0 5 10 244.2 247.8 250.8 260.5 269.1 266.5 277.1 282.4 285.3 276.5 264.3 253.8 10 15 241.1 243.6 250.2 259.9 275.8 270.6 278.6 282.7 281.2 274.5 261.0 254.1 15 20 242.9 243.9 254.7 265.2 283.6 278.2 280.3 283.2 277.5 272.3 260.1 255.4 20 25 249.8 252.5 266.1 278.1 292.8 287.5 283.5 284.9 276.9 271.3 262.5 260.4 25 30 263.8 272.7 286.0 298.0 305.8 297.4 289.4 288.7 280.0 272.8 267.0 272.1 30 35 287.5 305.2 315.4 323.0 324.6 309.6 299.1 295.7 286.2 278.6 274.2 290.4 35 40 319.6 344.5 351.3 351.4 347.8 327.1 312.6 305.4 294.2 288.7 285.0 311.2 40 45 352.2 379.8 386.8 380.7 370.1 349.6 327.4 314.9 303.7 300.9 299.0 328.4 45 50 376.1 401.5 414.7 405.1 387.2 369.8 340.2 321.6 313.8 312.0 313.6 339.5 50 55 388.9 407.8 432.1 419.0 399.0 379.0 347.4 325.0 321.3 319.7 325.0 346.0 55 60 393.9 404.1 440.5 424.0 407.8 375.6 347.1 325.2 321.7 322.3 329.1 346.5 60 65 393.8 398.8 443.7 429.3 414.3 366.7 341.9 322.7 313.8 319.5 324.8 336.3 65 70 388.8 397.3 445.2 442.5 416.8 361.5 337.1 318.4 303.3 313.1 316.2 314.7 70 75 380.6 399.3 447.5 459.0 414.2 362.4 335.0 313.6 295.8 305.8 311.2 292.6 75 80 374.6 400.1 452.6 466.0 408.9 364.4 332.6 307.9 290.8 298.8 314.8 285.1 80 85 374.1 397.1 459.2 458.4 404.6 363.4 327.4 301.5 284.7 291.9 325.0 295.7 85 90 376.7 393.2 463.8 447.5 402.5 360.7 322.3 296.8 279.3 286.8 333.8 309.6 1981 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 283.3 263.1 250.2 243.4 263.4 254.2 255.3 277.0 276.9 277.6 305.6 318.4 -85 -80 282.6 267.9 254.6 246.3 269.3 260.8 262.2 280.0 274.0 272.7 297.9 319.4 -80 -75 283.7 276.0 261.5 250.4 277.3 270.2 271.8 283.8 272.6 272.5 294.5 323.1 -75 -70 290.2 286.1 270.0 256.3 284.2 278.9 281.0 290.6 281.9 289.0 305.9 330.9 -70 -65 302.4 297.2 281.3 266.2 290.8 286.0 289.9 305.8 307.0 323.8 330.0 340.1 -65 -60 314.9 306.0 294.1 280.4 299.0 293.4 301.0 330.1 338.8 362.2 351.6 345.1 -60 -55 319.7 308.1 302.2 293.0 306.4 303.1 314.5 354.4 360.8 383.4 357.3 342.6 -55 -50 313.9 302.0 300.6 295.7 307.6 313.1 326.8 366.4 363.7 380.2 348.9 333.9 -50 -45 301.4 291.2 291.4 286.9 300.7 319.0 332.5 361.6 353.3 365.2 337.8 322.1 -45 -40 289.3 280.4 281.8 274.6 290.4 317.8 328.9 346.5 341.0 352.6 330.5 309.9 -40 -35 281.8 272.7 276.9 267.4 282.9 310.6 318.1 329.7 331.3 343.5 324.1 298.9 -35 -30 277.9 268.8 275.7 266.3 278.9 300.4 305.1 314.3 320.9 331.4 314.0 289.7 -30 -25 274.6 267.6 273.4 266.2 274.7 289.4 292.7 299.5 308.0 314.2 301.3 282.8 -25 -20 269.4 265.8 267.1 262.9 267.6 278.5 281.0 284.1 293.5 295.8 288.9 277.7 -20 -15 262.1 261.4 259.8 257.9 259.9 267.9 269.0 269.5 279.4 280.6 276.9 272.2 -15 -10 256.0 256.1 255.9 254.6 255.0 259.4 258.6 259.3 268.3 269.6 265.2 263.8 -10 -5 254.3 252.5 256.8 254.5 254.4 255.3 253.8 256.8 262.3 262.3 255.9 253.5 -5 0 255.8 251.5 259.4 255.9 257.4 256.5 257.0 261.6 261.8 257.8 251.2 245.6 0 5 256.3 251.0 259.7 258.3 262.6 261.9 265.9 269.8 264.8 256.2 250.4 243.1 5 10 253.2 249.9 258.5 263.4 269.3 269.5 275.1 276.5 269.6 259.0 251.7 245.1 10 15 249.0 250.1 259.6 272.2 276.8 276.7 280.7 279.9 274.8 265.5 254.5 248.7 15 20 249.3 254.0 265.9 283.3 284.4 282.5 282.8 281.1 278.6 271.6 258.8 252.5 20 25 257.6 263.4 278.6 294.9 293.0 288.2 285.1 282.6 279.8 273.6 264.1 258.6 25 30 274.3 280.2 298.8 308.5 305.5 296.4 290.4 287.1 280.9 273.1 269.5 270.5 30 35 298.4 306.1 326.2 327.4 324.3 310.1 299.6 295.6 285.9 276.2 277.1 288.1 35 40 327.0 338.5 356.5 352.1 348.3 329.4 311.3 306.5 295.1 285.9 289.2 307.1 40 45 355.0 370.8 383.4 378.2 372.0 350.0 323.8 316.3 304.6 298.7 305.9 322.3 45 50 374.6 396.7 403.2 400.1 389.1 364.9 335.0 321.9 311.5 310.0 322.6 333.4 50 55 379.3 414.3 418.0 414.8 397.8 369.3 341.8 322.4 314.9 317.9 332.7 343.5 55 60 370.1 426.6 430.4 423.2 401.2 364.8 341.1 317.8 313.8 322.0 333.0 353.7 60 65 355.9 437.4 439.7 428.7 402.6 357.8 333.9 309.6 307.6 321.5 327.8 359.7 65 70 346.9 447.7 444.3 433.3 402.2 353.6 325.6 300.9 298.9 316.1 325.7 358.1 70 75 347.7 454.8 446.0 437.9 399.4 353.1 320.0 294.5 291.3 308.0 332.1 354.5 75 80 355.1 455.4 449.5 441.2 394.9 353.1 316.4 289.2 285.3 299.8 345.7 358.4 80 85 363.4 450.0 456.7 442.3 391.1 351.0 312.3 283.4 279.6 293.0 359.9 372.5 85 90 368.8 444.3 463.1 442.2 389.1 348.6 308.4 278.9 275.1 289.0 368.5 386.3 1982 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 271.1 271.4 255.1 283.6 241.9 279.0 289.1 268.3 230.4 239.0 302.9 314.9 -85 -80 276.5 277.4 258.5 280.5 248.8 290.2 298.3 273.9 229.7 228.2 303.4 315.2 -80 -75 283.3 285.3 266.9 279.0 257.9 303.8 309.9 279.9 231.1 223.2 306.7 316.8 -75 -70 289.3 292.0 281.0 285.8 266.1 309.7 316.5 285.6 242.7 242.7 316.5 321.3 -70 -65 297.0 297.6 297.2 304.0 275.5 305.8 315.1 296.7 271.4 290.0 332.9 328.6 -65 -60 308.4 302.5 307.8 326.8 290.1 298.8 308.7 315.3 311.7 346.1 349.4 336.0 -60 -55 319.5 304.3 306.9 339.8 307.2 297.2 304.3 333.5 345.9 382.5 355.8 338.7 -55 -50 322.7 301.2 296.5 332.7 316.8 302.3 306.4 340.2 358.4 386.4 348.2 333.0 -50 -45 315.0 294.2 284.7 309.9 312.5 308.4 313.4 332.7 350.2 369.9 333.1 320.0 -45 -40 301.6 286.2 278.1 286.9 299.0 309.3 318.4 319.4 334.8 349.9 320.1 305.2 -40 -35 289.3 279.5 276.2 275.0 287.0 303.3 314.4 308.8 321.6 331.7 312.4 293.9 -35 -30 280.3 275.1 274.9 273.8 281.3 292.3 301.4 300.2 310.6 313.6 306.8 286.4 -30 -25 273.1 272.4 271.4 273.5 277.8 278.6 284.3 287.8 297.9 295.3 298.2 279.4 -25 -20 266.2 269.2 266.0 267.1 270.4 264.4 268.7 271.4 282.8 279.0 284.4 270.9 -20 -15 259.2 263.4 260.5 256.9 259.4 252.8 257.6 257.5 268.8 267.3 268.9 262.6 -15 -10 253.2 255.4 256.1 249.6 250.8 248.0 252.9 253.0 261.1 262.7 259.0 258.2 -10 -5 248.3 248.6 253.0 249.0 249.7 251.3 255.6 259.6 263.0 265.9 259.9 258.0 -5 0 244.3 245.3 250.9 252.9 255.5 259.8 263.9 271.0 271.4 272.5 266.9 257.5 0 5 241.8 245.5 250.5 258.3 262.7 268.1 272.9 278.6 278.5 274.5 269.3 252.0 5 10 242.6 247.8 254.6 264.3 268.0 273.4 278.0 279.5 279.3 269.3 262.4 242.1 10 15 247.8 251.3 264.0 272.7 273.1 277.4 278.9 277.8 275.8 262.4 252.5 234.7 15 20 255.9 256.7 276.9 284.1 282.6 284.0 279.7 278.7 273.4 261.3 249.5 235.9 20 25 264.7 267.1 291.0 298.6 298.0 294.3 284.6 283.3 275.4 266.9 255.5 245.7 25 30 275.7 287.6 307.4 316.5 316.0 306.6 294.7 289.7 282.9 274.5 264.9 259.1 30 35 294.2 319.9 329.5 337.2 333.0 319.4 307.4 296.8 292.8 280.4 273.1 273.0 35 40 323.5 357.5 358.0 358.1 348.3 333.6 319.7 304.7 299.8 285.4 281.1 289.0 40 45 358.8 389.4 388.6 376.2 364.1 349.3 330.6 313.8 301.4 292.8 292.6 308.2 45 50 387.8 411.2 415.3 391.1 380.8 363.7 339.8 323.6 302.5 303.2 307.5 325.8 50 55 400.2 426.8 433.5 404.6 395.1 372.2 345.5 331.1 309.0 312.7 319.4 332.7 55 60 397.3 437.9 443.1 418.7 404.0 373.6 344.7 333.5 319.0 317.0 323.2 327.0 60 65 388.6 438.6 445.7 432.8 408.3 372.0 338.1 329.9 323.2 316.4 320.2 318.4 65 70 382.9 423.8 444.1 445.0 410.6 372.9 330.9 323.5 317.0 315.3 317.7 319.7 70 75 384.5 398.6 442.0 454.0 411.6 376.3 327.3 317.6 304.8 315.3 320.1 335.8 75 80 392.5 377.0 441.8 458.7 410.5 376.9 325.7 311.8 293.1 312.9 325.2 361.3 80 85 402.9 367.5 444.1 459.9 407.2 372.5 323.3 305.0 284.7 305.8 328.5 386.0 85 90 410.2 366.4 446.5 459.8 403.9 367.4 320.6 299.8 280.0 298.5 329.3 401.0 1983 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 288.9 277.7 270.3 263.0 267.2 265.7 276.4 267.5 255.6 230.4 300.7 307.4 -85 -80 294.6 283.7 273.0 260.5 268.4 266.5 272.9 266.8 248.0 219.5 294.5 312.7 -80 -75 300.9 292.5 278.5 261.8 272.1 270.3 272.5 268.4 245.0 216.4 292.6 319.6 -75 -70 305.0 300.6 287.7 272.8 280.3 279.1 281.8 277.0 259.6 240.5 304.9 324.6 -70 -65 308.6 305.2 300.7 292.0 293.7 292.1 299.1 292.9 292.0 292.1 329.6 327.7 -65 -60 314.6 305.3 313.6 310.2 309.6 305.1 314.2 310.2 325.9 347.5 352.5 329.9 -60 -55 321.8 301.6 319.0 317.1 320.5 313.2 319.0 322.1 343.6 377.5 359.6 330.0 -55 -50 324.3 296.2 313.4 310.4 320.3 314.8 316.4 328.6 345.6 376.5 351.0 325.6 -50 -45 318.1 291.3 300.4 297.9 309.1 312.6 316.7 333.5 345.1 362.8 337.3 316.0 -45 -40 305.2 286.5 287.0 287.5 293.9 309.1 322.6 336.4 346.9 351.4 326.0 304.6 -40 -35 291.3 280.0 278.3 280.9 281.2 303.4 324.4 331.4 342.3 340.7 315.9 294.0 -35 -30 280.9 272.1 273.3 274.0 272.3 292.8 312.7 315.8 324.1 324.5 304.2 284.8 -30 -25 274.3 264.8 268.2 263.9 264.4 277.3 290.0 294.9 299.1 304.5 292.2 276.5 -25 -20 269.6 258.8 261.1 253.7 256.0 261.5 267.8 276.5 278.7 287.1 282.2 269.5 -20 -15 264.6 254.5 254.5 248.6 249.5 250.9 255.2 264.0 266.8 274.4 273.2 264.2 -15 -10 259.7 253.1 252.7 250.9 247.9 248.2 252.7 257.3 261.4 265.4 264.0 259.4 -10 -5 256.2 254.6 256.5 257.2 251.0 251.9 255.1 256.1 259.6 259.7 255.9 253.3 -5 0 253.8 255.3 260.4 261.9 256.0 258.5 257.9 259.3 260.5 257.9 251.5 246.8 0 5 249.6 250.7 258.3 263.0 260.1 265.7 260.8 264.7 263.2 259.3 251.1 242.9 5 10 242.2 241.7 250.5 263.0 263.9 273.0 265.3 270.0 266.8 262.1 252.8 244.0 10 15 235.1 235.6 244.1 264.9 270.1 279.5 272.0 274.5 270.8 264.8 255.5 248.8 15 20 233.8 238.7 246.9 270.4 280.3 284.8 278.6 278.7 273.9 266.9 258.7 254.3 20 25 242.6 251.7 261.3 281.3 293.8 289.9 284.4 283.3 276.0 268.2 262.0 259.9 25 30 260.8 271.8 284.7 298.7 308.7 297.9 290.8 288.2 278.5 270.1 266.1 269.2 30 35 284.2 296.8 312.1 321.8 323.7 311.0 300.2 293.2 283.9 274.6 273.4 285.8 35 40 307.0 325.7 338.4 345.5 339.1 327.8 311.4 298.9 291.7 281.7 285.0 307.3 40 45 324.9 355.6 361.2 364.1 354.7 342.7 321.5 305.9 299.4 289.9 298.8 327.1 45 50 338.8 379.1 381.2 376.8 368.1 351.6 328.8 313.1 305.1 298.0 310.4 340.2 50 55 352.1 389.4 399.2 387.4 376.8 354.7 332.9 317.3 308.0 305.4 317.0 346.8 55 60 365.4 387.9 413.5 400.0 381.3 354.0 332.1 315.4 307.7 309.6 319.4 348.1 60 65 376.8 386.4 422.7 414.1 384.9 351.5 325.7 309.3 304.3 308.4 320.8 341.2 65 70 383.9 395.7 427.9 427.1 389.8 349.0 317.7 303.9 300.2 302.6 323.8 324.3 70 75 386.8 413.7 433.1 436.9 394.8 349.6 315.0 301.3 296.3 295.0 328.0 305.1 75 80 388.8 427.5 441.0 442.5 396.9 355.5 321.0 298.2 289.4 287.8 330.7 297.1 80 85 392.3 428.9 450.1 445.1 395.7 365.0 331.6 291.7 278.2 281.5 330.1 304.7 85 90 396.1 424.0 456.2 446.0 393.5 372.1 339.2 285.4 268.7 277.4 328.2 316.0 1984 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 280.1 262.7 264.5 257.6 286.9 279.9 275.5 260.8 232.4 224.4 281.3 306.3 -85 -80 288.3 268.6 272.9 257.9 290.0 278.1 274.0 255.4 223.8 219.6 262.9 305.9 -80 -75 299.1 277.9 283.4 261.0 295.7 280.3 276.2 251.8 218.4 217.0 253.6 308.1 -75 -70 307.1 288.0 289.9 269.7 302.5 291.7 287.2 259.2 231.0 228.3 277.0 314.3 -70 -65 310.1 297.6 290.8 284.4 308.1 311.2 306.3 280.1 267.4 262.0 326.0 321.4 -65 -60 308.8 303.7 288.1 299.4 310.5 331.0 326.6 306.8 316.0 312.3 367.4 324.4 -60 -55 305.4 302.6 283.8 306.0 309.4 342.5 341.2 328.0 354.8 355.7 374.9 321.4 -55 -50 301.7 295.3 278.8 300.7 306.2 342.5 348.8 339.8 369.9 370.2 355.2 315.3 -50 -45 298.3 286.2 274.6 287.8 302.9 333.3 352.2 346.1 367.1 358.5 332.8 309.4 -45 -40 294.1 279.0 272.3 276.0 299.5 319.0 350.3 347.8 358.6 339.4 319.6 304.2 -40 -35 288.0 273.6 271.4 269.9 293.3 302.6 338.3 340.0 348.2 325.2 310.8 298.2 -35 -30 279.9 268.8 269.2 267.0 282.1 286.2 315.8 320.1 333.8 314.9 300.2 290.4 -30 -25 271.5 265.2 264.4 263.2 267.9 271.5 289.7 294.5 315.0 302.3 289.1 282.0 -25 -20 264.9 263.4 258.0 258.0 256.3 260.1 268.3 273.0 294.4 286.1 280.3 274.2 -20 -15 260.3 261.8 252.4 253.4 250.7 251.9 255.4 260.1 275.6 270.6 271.7 267.1 -15 -10 255.5 257.8 248.7 250.9 249.7 246.7 249.6 254.4 262.9 261.2 261.7 260.7 -10 -5 249.5 250.6 245.5 249.4 249.5 244.8 248.8 253.9 260.3 260.2 254.6 256.7 -5 0 243.2 243.3 241.2 248.2 249.0 247.3 252.3 257.8 266.5 263.9 253.8 256.3 0 5 238.8 240.8 237.3 250.4 251.8 254.7 259.9 265.6 274.6 266.7 256.0 258.4 5 10 238.4 245.8 238.1 259.2 261.1 265.3 269.9 274.7 278.8 267.0 255.1 259.3 10 15 242.9 256.0 245.8 273.4 275.1 275.9 279.4 282.3 279.3 266.9 250.6 256.0 15 20 251.5 265.2 258.6 287.9 288.1 284.0 285.4 286.4 279.3 267.2 247.8 250.0 20 25 263.9 272.2 274.4 300.0 297.4 290.1 288.2 287.8 280.7 267.3 250.3 246.2 25 30 280.5 284.2 294.8 313.4 306.7 297.2 291.1 289.2 283.4 267.9 257.0 250.4 30 35 302.8 309.5 322.9 333.3 321.8 308.5 297.1 293.1 287.1 272.2 266.0 265.4 35 40 329.7 345.5 356.3 358.0 343.7 324.3 306.1 298.9 292.0 281.2 278.7 289.3 40 45 356.5 377.1 385.9 380.0 366.3 342.1 316.7 305.3 299.1 292.7 296.5 315.4 45 50 377.4 391.0 404.6 394.6 382.5 357.8 327.2 311.5 307.7 304.1 314.4 335.3 50 55 388.7 389.3 414.3 404.8 389.8 367.3 335.1 317.1 314.8 314.5 322.8 344.6 55 60 389.5 384.2 421.8 416.6 391.8 368.6 337.8 320.6 315.2 322.3 319.6 343.9 60 65 381.6 382.9 430.7 430.0 391.6 363.4 334.6 319.9 308.1 324.2 315.0 337.5 65 70 369.3 384.6 439.3 440.1 390.6 356.5 328.7 315.2 298.4 318.6 321.2 330.9 70 75 359.4 387.3 446.0 443.0 389.2 353.9 324.4 307.8 291.3 309.2 337.9 329.0 75 80 358.4 391.9 452.0 439.4 389.1 358.0 322.3 298.1 285.2 301.0 352.6 335.1 80 85 366.2 398.6 458.5 434.1 391.5 366.2 320.8 287.1 277.1 295.8 355.6 347.1 85 90 374.3 403.9 463.3 430.6 394.1 372.5 319.2 278.9 270.1 293.4 351.9 356.9 1985 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 278.4 256.7 254.0 252.0 277.5 246.2 300.3 262.1 227.0 212.7 235.0 290.8 -85 -80 284.4 257.8 255.5 249.2 285.5 254.4 309.4 262.9 215.5 197.1 224.1 286.4 -80 -75 293.1 262.9 261.5 253.0 295.3 265.2 321.1 266.6 210.9 190.1 220.4 286.9 -75 -70 300.9 274.1 274.1 270.3 300.7 274.1 327.5 275.7 230.4 213.5 241.5 298.1 -70 -65 306.4 289.0 290.1 294.7 300.9 282.7 324.4 289.0 273.3 265.4 285.7 312.3 -65 -60 308.5 300.3 301.3 310.2 299.7 295.3 314.0 300.1 317.1 318.0 329.1 316.5 -60 -55 307.0 302.2 300.9 307.1 299.6 309.9 303.6 304.4 337.1 342.8 345.0 307.2 -55 -50 302.2 296.0 290.3 292.0 298.4 316.5 299.4 305.5 333.3 339.7 330.8 293.9 -50 -45 295.6 287.8 277.8 278.3 292.5 307.0 300.9 308.9 324.1 329.8 307.1 286.1 -45 -40 288.7 280.6 270.1 272.3 282.9 286.5 301.5 312.5 319.8 324.5 292.6 282.7 -40 -35 281.6 273.7 267.6 270.4 273.3 268.6 295.0 308.4 314.8 318.7 287.9 278.7 -35 -30 274.4 266.9 266.8 266.7 266.3 261.3 282.3 293.4 303.5 306.9 285.0 273.0 -30 -25 267.0 261.7 264.0 260.2 261.1 260.6 269.0 275.1 289.6 292.5 280.6 268.7 -25 -20 260.0 258.6 258.6 254.7 256.2 259.1 259.6 263.1 279.0 280.8 276.2 267.4 -20 -15 254.9 256.5 253.6 253.4 252.6 254.5 255.7 260.2 271.7 271.6 272.4 265.7 -15 -10 253.0 255.1 252.4 256.0 252.3 251.0 257.0 263.3 266.2 264.2 267.1 260.1 -10 -5 254.4 255.2 256.3 260.4 256.5 254.0 262.9 268.1 264.6 261.8 260.4 252.3 -5 0 256.1 255.8 261.8 264.2 263.4 263.0 271.2 272.8 269.6 266.3 255.3 247.6 0 5 254.2 253.8 263.5 267.0 270.5 272.7 278.1 276.9 278.1 272.5 254.8 247.8 5 10 248.1 248.3 260.0 268.7 276.1 278.5 280.7 279.8 283.3 273.8 258.3 250.3 10 15 241.4 242.1 254.5 269.5 280.2 280.4 280.2 281.2 281.9 269.9 261.9 252.4 15 20 238.2 239.3 251.2 270.7 284.4 282.0 279.9 281.0 276.9 266.6 263.1 254.8 20 25 241.1 242.7 253.3 275.1 290.5 285.7 282.2 280.5 274.2 267.3 263.3 259.9 25 30 251.7 255.3 263.6 286.2 299.7 292.1 287.2 281.9 276.7 270.5 267.0 269.5 30 35 272.6 279.5 284.9 303.7 312.5 301.9 293.8 286.9 282.8 273.7 277.5 284.0 35 40 305.3 315.2 317.0 324.1 329.1 316.5 302.4 295.0 288.3 277.7 292.1 304.2 40 45 344.3 356.7 353.9 344.4 348.2 335.1 314.0 304.1 293.0 286.1 305.3 328.9 45 50 376.0 393.6 385.5 364.9 366.5 353.0 327.2 311.2 299.4 299.3 316.1 350.5 50 55 389.6 416.7 404.6 387.3 380.9 363.1 337.2 314.5 307.3 310.6 326.4 356.9 55 60 389.3 425.4 413.7 411.2 389.8 362.6 339.4 314.4 311.5 311.9 332.0 342.3 60 65 389.8 428.3 423.2 434.5 393.4 356.2 335.2 312.6 307.0 304.3 322.8 313.6 65 70 399.3 434.9 440.0 453.3 393.8 350.4 330.3 310.2 296.5 296.1 296.5 286.5 70 75 411.2 446.6 460.8 462.7 393.4 347.8 326.5 305.4 285.5 291.7 266.1 273.2 75 80 413.1 457.1 475.8 459.8 393.7 345.8 319.3 294.1 275.1 287.3 250.6 275.5 80 85 402.8 460.8 479.6 448.0 394.9 342.0 307.1 277.3 264.4 278.7 254.7 285.9 85 90 391.4 459.9 477.5 437.6 395.8 338.4 296.8 264.0 256.6 270.4 265.1 294.4 1986 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 271.0 256.0 243.1 232.3 296.3 259.1 252.6 255.4 233.0 263.5 286.5 304.4 -85 -80 269.5 259.9 245.2 231.2 304.8 266.4 257.8 244.1 222.8 254.2 283.2 299.5 -80 -75 271.3 267.3 252.4 235.6 315.4 276.2 265.5 239.7 217.5 251.8 281.7 298.8 -75 -70 279.8 276.8 266.2 251.3 320.1 284.7 274.2 258.7 233.6 271.4 289.6 308.2 -70 -65 290.4 285.2 281.3 275.2 315.6 292.8 284.6 298.7 274.7 310.5 310.6 321.3 -65 -60 294.1 287.8 289.1 295.9 305.7 304.2 297.3 337.5 324.1 347.2 337.1 326.9 -60 -55 287.2 283.6 285.1 302.8 296.3 318.5 309.7 354.4 357.6 361.2 353.3 320.9 -55 -50 276.2 277.0 274.5 295.1 290.3 328.4 317.8 351.3 365.3 354.8 348.9 309.9 -50 -45 270.6 273.1 266.1 280.7 286.7 326.2 319.2 344.3 356.5 345.5 329.5 301.7 -45 -40 271.9 271.7 263.5 267.9 282.7 311.9 314.3 340.1 342.5 341.2 309.1 296.2 -40 -35 273.8 269.1 264.0 260.0 276.7 293.1 304.5 330.8 326.6 335.4 296.0 290.5 -35 -30 270.7 263.9 263.6 255.7 269.1 277.4 291.7 310.6 310.1 321.6 290.2 283.8 -30 -25 263.7 258.8 261.3 253.1 260.9 266.2 278.0 286.9 296.2 303.4 287.9 278.1 -25 -20 257.9 256.3 258.1 251.9 253.4 258.0 265.7 269.8 286.3 288.5 284.7 274.0 -20 -15 255.2 256.0 255.1 251.7 248.5 251.7 256.9 261.4 277.6 278.2 277.5 268.8 -15 -10 254.1 255.7 252.4 251.0 247.8 248.3 252.7 257.9 268.5 269.9 266.2 261.0 -10 -5 252.4 254.8 249.9 249.9 250.8 249.4 253.0 256.9 262.6 263.4 254.8 253.2 -5 0 249.3 253.0 247.8 249.8 255.6 254.2 257.0 259.3 262.7 260.2 248.4 249.0 0 5 245.3 250.5 246.6 254.1 260.7 261.3 262.9 264.3 266.5 259.9 248.4 248.8 5 10 241.5 249.7 248.0 263.8 266.0 269.3 269.1 268.8 268.9 261.0 251.9 250.1 10 15 240.3 253.1 253.6 275.7 272.0 277.5 274.2 270.7 268.8 263.4 254.7 251.5 15 20 243.9 261.0 263.8 285.6 280.0 284.7 277.6 271.8 269.5 267.0 254.7 254.3 20 25 254.2 272.0 278.0 293.1 291.2 289.9 280.2 275.1 272.9 271.3 254.6 259.5 25 30 271.6 286.6 296.4 303.1 305.2 294.7 284.4 281.2 278.4 275.7 260.0 267.2 30 35 295.4 308.4 319.7 320.3 321.0 302.4 292.0 288.4 283.8 280.2 273.3 278.5 35 40 324.2 339.1 346.0 344.0 337.2 316.0 302.7 295.0 287.8 285.6 289.5 296.1 40 45 353.8 373.3 369.9 368.3 352.3 333.5 314.6 302.1 291.8 291.5 301.8 320.1 45 50 377.2 400.0 386.1 387.4 365.5 348.5 325.7 310.3 298.2 298.0 310.2 341.8 50 55 387.1 409.4 392.5 400.2 376.5 355.0 333.4 316.6 305.6 304.3 320.8 348.9 55 60 380.3 402.8 393.0 409.5 385.5 352.8 334.3 316.7 309.1 307.7 333.5 339.1 60 65 361.1 391.5 395.2 419.2 392.4 347.2 327.2 310.5 305.9 306.7 337.6 324.4 65 70 340.1 386.2 405.9 431.0 396.2 344.4 316.9 303.9 299.3 302.6 325.0 319.0 70 75 328.8 389.8 427.0 442.6 395.4 345.3 309.5 300.2 292.7 297.5 303.3 325.3 75 80 332.5 395.9 453.2 449.8 390.1 346.8 307.8 296.3 283.8 291.9 289.2 334.2 80 85 346.4 397.7 476.1 451.8 383.2 346.3 309.6 288.8 270.9 284.9 290.2 338.0 85 90 358.6 396.6 489.0 450.8 378.5 344.7 311.2 281.8 260.3 279.4 297.4 337.6 1987 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 284.6 269.2 270.4 277.2 244.2 252.0 262.4 251.0 203.8 182.2 226.3 282.8 -85 -80 286.5 273.9 271.6 276.0 243.5 264.2 266.9 249.4 197.1 171.5 215.8 286.5 -80 -75 291.1 280.1 277.4 279.6 245.7 278.7 273.8 249.2 193.0 165.9 211.0 291.1 -75 -70 298.8 285.8 289.3 291.7 254.8 286.4 281.1 255.7 204.0 183.1 227.0 295.5 -70 -65 308.1 291.2 302.3 307.2 271.0 289.7 287.9 270.7 236.2 228.0 263.8 302.5 -65 -60 314.4 296.3 307.6 314.6 289.5 297.3 293.3 289.4 280.6 285.9 304.1 313.6 -60 -55 312.8 299.4 300.9 308.1 302.6 310.9 296.5 303.5 317.8 331.2 328.8 322.9 -55 -50 303.7 298.0 287.4 293.3 305.6 319.8 298.5 310.7 335.2 349.6 333.5 321.3 -50 -45 292.6 291.7 276.5 280.8 299.7 313.5 301.6 314.4 336.7 348.7 329.1 308.4 -45 -40 284.1 282.5 271.6 275.1 290.3 294.5 304.9 316.6 332.8 341.8 324.8 293.7 -40 -35 278.3 273.4 269.7 273.6 281.2 275.5 303.6 314.1 326.2 332.9 320.1 286.3 -35 -30 273.3 266.8 267.2 271.6 272.6 265.6 294.1 303.1 313.7 320.9 311.3 285.7 -30 -25 268.5 262.9 263.6 266.9 264.0 261.8 278.5 285.8 296.2 306.3 298.0 283.8 -25 -20 264.7 259.2 259.8 259.9 255.7 257.1 263.6 269.0 278.5 291.3 282.8 274.9 -20 -15 261.9 253.5 256.5 252.9 249.4 249.9 255.2 258.4 265.8 277.4 269.0 262.8 -15 -10 258.0 247.1 253.3 248.0 246.1 244.8 254.2 255.8 261.6 267.6 260.4 255.1 -10 -5 251.5 243.0 250.3 247.2 245.8 246.3 257.8 260.2 266.4 266.1 259.9 254.5 -5 0 243.8 241.3 248.4 250.4 248.8 254.0 263.1 268.6 275.7 272.1 264.7 256.9 0 5 238.2 239.7 248.2 255.7 255.8 263.8 268.8 276.1 282.6 278.3 267.0 256.4 5 10 237.4 237.6 249.6 260.9 266.3 273.0 275.5 279.8 283.5 277.6 262.8 251.4 10 15 241.5 238.1 252.5 265.4 277.8 281.8 282.7 280.9 280.5 270.6 255.6 245.2 15 20 248.3 244.3 257.6 271.7 287.8 291.1 288.5 282.5 278.1 263.9 251.4 242.3 20 25 256.4 256.7 267.1 283.8 297.0 300.4 292.2 286.4 278.0 263.0 251.6 244.0 25 30 268.0 275.3 284.8 304.2 309.2 309.7 296.8 292.1 281.3 268.8 254.6 250.8 30 35 287.4 300.0 313.4 330.9 327.6 320.7 305.6 298.8 288.1 278.3 262.3 264.2 35 40 315.0 328.7 349.9 358.4 350.9 335.1 318.0 306.2 296.6 288.6 279.1 285.0 40 45 343.4 356.6 386.2 381.9 373.0 351.2 330.6 314.8 304.8 298.4 303.5 309.9 45 50 361.8 379.3 414.1 399.3 387.9 363.8 339.8 323.9 311.2 307.7 324.7 331.5 50 55 366.6 397.1 430.4 410.3 394.9 368.7 344.3 330.3 314.8 314.7 331.4 344.6 55 60 365.3 416.4 437.8 417.0 397.5 367.5 344.0 330.4 314.3 315.2 327.9 351.6 60 65 368.7 444.3 441.8 423.2 398.6 366.6 340.1 324.3 309.9 308.6 331.1 358.6 65 70 381.0 480.4 446.5 432.5 398.8 370.1 335.0 317.0 304.4 302.1 348.9 368.8 70 75 397.9 513.5 453.3 443.9 398.0 375.6 331.4 312.3 300.4 304.4 367.2 381.3 75 80 412.9 530.0 461.2 451.2 396.9 377.4 329.7 309.1 295.4 316.7 364.0 393.8 80 85 422.6 527.5 467.4 450.9 396.8 373.7 328.2 304.4 287.4 332.2 335.5 404.8 85 90 427.1 519.0 470.4 447.3 397.2 369.0 326.7 299.9 280.2 341.9 306.7 411.6 1988 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 268.6 269.3 282.5 255.2 263.4 275.5 298.3 251.0 248.8 277.5 372.3 326.5 -85 -80 273.0 268.9 281.0 254.4 267.1 280.8 297.4 258.2 238.2 267.4 354.9 322.4 -80 -75 279.1 269.9 280.1 257.0 273.5 289.4 294.8 269.2 236.3 261.2 336.9 320.2 -75 -70 285.5 275.8 283.3 267.0 280.7 298.0 291.5 282.4 261.8 274.7 333.7 324.4 -70 -65 293.1 287.6 292.3 282.5 286.3 303.3 290.3 298.6 312.3 310.5 343.5 333.0 -65 -60 302.0 300.5 302.2 294.8 288.5 304.6 293.5 316.8 359.9 353.3 350.2 338.1 -60 -55 307.8 305.9 304.5 295.2 286.4 303.2 300.1 333.7 375.8 380.4 343.0 333.3 -55 -50 304.8 300.6 295.6 284.2 281.1 300.5 306.3 345.6 362.8 382.4 328.4 320.1 -50 -45 293.8 290.3 281.3 271.1 276.4 297.0 308.9 349.8 347.7 369.5 319.0 305.4 -45 -40 282.1 282.6 270.8 264.9 275.3 292.6 306.7 345.0 343.8 354.2 317.4 295.2 -40 -35 276.7 279.7 267.5 266.0 276.4 287.4 301.6 331.3 341.4 338.9 316.0 290.0 -35 -30 277.7 278.4 267.4 267.4 275.2 281.7 295.4 313.1 329.0 321.6 308.5 286.6 -30 -25 279.1 274.7 265.3 263.3 269.2 275.7 288.2 295.8 309.6 303.7 296.6 282.2 -25 -20 275.0 267.3 259.4 255.1 260.4 268.7 278.8 281.6 292.2 288.7 284.6 275.8 -20 -15 265.7 258.7 253.6 249.3 253.6 261.2 267.4 269.4 279.4 277.2 273.5 267.9 -15 -10 257.2 253.5 251.4 249.4 251.7 255.6 257.3 259.1 268.8 268.3 262.9 259.2 -10 -5 254.6 253.7 252.4 253.3 253.7 254.8 253.2 253.3 260.3 261.9 255.4 251.8 -5 0 256.7 256.2 253.8 257.2 257.4 259.4 256.5 254.4 256.5 258.6 253.0 248.6 0 5 257.8 256.4 254.1 260.3 261.9 266.4 264.1 260.4 258.6 257.8 254.2 250.5 5 10 253.8 253.6 254.6 264.3 267.3 272.0 271.2 266.7 263.5 259.0 255.5 254.9 10 15 247.3 250.8 256.8 269.3 273.2 275.0 275.4 270.4 267.7 261.6 256.1 258.0 15 20 243.3 250.8 260.0 274.0 278.6 277.4 277.9 272.8 269.6 263.9 257.8 258.0 20 25 245.3 255.6 264.5 279.8 284.3 282.9 281.2 276.6 270.6 265.2 261.1 258.1 25 30 254.9 268.1 275.4 291.6 294.2 294.0 286.6 282.8 273.7 267.0 265.1 263.9 30 35 273.2 290.8 299.1 312.2 311.6 310.0 294.4 289.8 280.5 272.8 270.7 279.0 35 40 299.8 320.8 334.7 337.1 335.6 328.3 305.1 296.3 288.7 282.9 280.0 300.9 40 45 328.6 349.3 372.0 358.1 359.8 344.8 318.5 303.1 295.6 293.4 293.4 322.3 45 50 349.6 369.4 399.2 372.5 377.6 355.6 332.2 311.8 301.2 300.0 307.6 337.5 50 55 357.5 382.5 414.7 387.0 387.5 358.3 340.2 320.5 305.1 300.4 316.2 345.3 55 60 360.2 396.1 425.8 408.8 393.2 354.2 338.2 323.3 304.6 295.5 316.3 346.9 60 65 370.0 413.3 438.6 434.7 397.4 348.4 328.9 317.1 298.6 288.8 312.4 341.6 65 70 389.2 426.2 451.7 455.6 400.0 346.5 320.0 306.5 291.9 284.4 310.9 329.0 70 75 403.2 420.4 459.7 463.8 399.4 350.3 316.5 299.0 290.5 285.5 313.2 314.6 75 80 396.6 389.1 460.7 459.6 395.9 357.1 316.1 296.4 293.8 291.5 314.9 307.3 80 85 371.6 344.4 457.5 450.2 391.9 362.9 314.3 296.1 296.8 297.9 312.4 310.4 85 90 349.0 311.9 454.6 443.3 389.5 365.6 311.6 295.7 297.4 301.3 308.5 316.7 1989 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 287.6 263.5 262.9 261.0 247.3 269.0 277.9 250.0 189.5 218.7 303.9 293.7 -85 -80 286.1 271.1 256.1 263.2 257.6 277.3 282.7 255.4 185.5 200.4 283.1 294.5 -80 -75 286.2 280.1 257.4 268.1 273.7 289.0 290.2 260.2 186.8 185.0 262.9 298.2 -75 -70 291.4 286.6 279.1 275.7 289.6 298.6 298.4 262.7 204.0 194.0 265.2 305.3 -70 -65 300.4 292.4 314.4 284.8 301.9 304.8 305.9 269.1 238.0 232.6 293.4 313.5 -65 -60 307.2 298.6 339.5 291.5 308.9 310.0 312.1 285.6 275.6 285.2 330.0 319.2 -60 -55 306.5 301.4 336.7 291.7 309.4 315.9 316.4 310.3 300.6 328.2 351.9 320.5 -55 -50 299.2 296.8 312.2 284.7 304.0 319.5 319.0 332.6 312.1 349.6 351.5 317.0 -50 -45 291.9 288.0 287.7 274.9 295.9 316.3 320.1 342.8 321.3 354.8 338.5 309.2 -45 -40 288.3 281.4 276.4 268.6 289.8 306.8 318.7 340.5 333.9 351.3 324.4 298.9 -40 -35 286.8 278.8 275.0 268.5 286.6 296.2 313.6 331.1 340.9 340.8 312.3 289.7 -35 -30 283.8 275.5 273.3 271.4 282.6 288.1 304.6 318.8 333.4 325.1 301.4 284.2 -30 -25 278.7 268.4 267.0 271.8 274.5 281.6 292.8 304.6 315.2 309.1 291.8 281.5 -25 -20 273.5 260.3 259.2 267.3 264.0 274.0 280.2 288.7 296.8 295.4 282.6 277.9 -20 -15 268.8 256.0 254.3 260.6 256.4 265.1 268.7 273.0 283.6 281.8 272.4 270.7 -15 -10 263.7 255.9 253.6 255.9 254.5 257.6 260.3 261.6 274.7 268.4 262.0 262.2 -10 -5 257.7 255.8 254.7 255.4 256.1 254.7 256.6 257.8 268.5 260.6 255.5 256.6 -5 0 252.5 252.8 255.5 258.3 258.0 256.7 258.2 261.2 264.9 261.7 254.7 255.1 0 5 250.5 250.4 256.0 263.8 260.6 261.3 263.1 267.1 264.6 267.3 256.1 254.8 5 10 252.5 254.2 258.6 271.7 267.3 267.0 269.3 271.8 268.4 270.6 256.1 252.7 10 15 257.5 263.6 265.0 281.3 279.2 274.6 276.6 276.0 275.3 270.2 255.6 251.0 15 20 262.6 271.5 274.5 290.7 292.2 284.5 284.3 281.4 281.9 269.9 257.6 253.3 20 25 266.6 273.9 284.9 298.8 302.0 295.2 291.2 287.7 285.1 271.6 262.0 259.9 25 30 272.2 278.0 295.9 307.8 309.4 304.3 296.7 293.6 285.9 273.8 266.7 268.5 30 35 284.3 294.2 309.6 321.7 320.3 312.4 302.2 298.5 287.6 276.2 272.7 279.3 35 40 305.0 322.7 327.1 342.4 338.8 322.6 310.3 303.4 291.6 281.6 283.3 296.6 40 45 330.0 352.4 348.7 366.6 361.3 336.7 321.6 309.6 297.6 291.8 298.9 321.8 45 50 350.5 377.2 373.3 388.0 377.7 350.6 332.0 316.4 304.6 303.2 312.6 344.0 50 55 360.4 402.2 397.4 401.2 382.6 357.0 335.8 321.1 310.6 307.5 316.3 347.8 55 60 360.5 429.7 417.2 406.3 380.5 353.7 331.4 321.5 311.0 301.4 310.9 331.7 60 65 356.7 447.8 432.0 409.8 380.5 346.6 325.0 318.1 303.8 293.2 307.1 312.4 65 70 353.1 442.0 446.7 417.2 387.0 345.1 323.9 313.0 293.8 295.0 313.6 308.9 70 75 350.6 417.2 468.2 427.7 396.6 352.4 326.6 305.7 288.2 308.3 325.6 323.1 75 80 348.5 396.5 498.5 435.7 403.3 364.1 325.1 293.4 288.3 322.0 330.1 341.4 80 85 346.6 394.6 531.0 437.9 405.4 373.3 315.3 276.9 290.0 326.4 321.6 351.6 85 90 345.5 401.8 552.4 436.5 405.1 377.6 305.0 264.3 290.5 324.4 310.3 353.6 1990 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 273.5 266.1 247.3 278.8 262.3 275.3 239.3 288.6 225.9 162.2 232.8 230.3 -85 -80 279.3 268.5 252.8 275.5 267.7 271.6 246.0 275.6 208.5 168.1 236.3 241.9 -80 -75 285.5 274.0 261.9 270.2 276.9 268.4 255.8 257.3 189.9 185.4 240.5 255.3 -75 -70 288.6 282.5 272.0 265.3 288.5 270.7 267.2 246.7 190.2 220.7 247.4 264.5 -70 -65 290.5 290.0 281.8 263.9 301.6 280.6 281.6 254.3 221.6 271.7 263.7 274.2 -65 -60 293.8 291.2 288.9 267.1 313.4 294.2 298.8 279.7 276.6 320.4 291.1 291.0 -60 -55 296.8 285.5 290.4 272.7 318.3 304.5 312.7 308.9 328.0 345.1 318.1 309.4 -55 -50 295.2 278.5 285.6 276.4 312.9 306.0 316.8 325.6 350.9 342.7 328.9 316.0 -50 -45 288.7 275.3 278.1 276.9 299.5 299.6 311.4 325.7 346.3 329.9 321.6 306.2 -45 -40 281.5 275.0 272.5 276.0 285.5 290.8 302.8 317.0 332.3 321.8 307.9 290.4 -40 -35 277.0 274.2 270.4 275.0 276.3 282.7 295.1 306.6 320.1 318.0 297.9 281.2 -35 -30 274.1 271.2 269.4 272.7 269.8 274.0 285.5 294.4 307.9 310.3 292.2 280.0 -30 -25 270.0 267.5 266.0 266.9 261.8 262.4 270.9 278.9 292.0 296.2 286.0 278.3 -25 -20 264.4 263.4 259.6 259.0 252.9 250.0 254.5 263.3 274.7 280.0 277.0 271.3 -20 -15 260.0 258.3 254.0 254.0 248.3 242.8 245.2 254.1 262.5 268.0 267.7 262.5 -15 -10 258.4 254.0 254.1 255.2 252.1 246.0 248.4 255.5 260.7 263.5 262.6 257.4 -10 -5 258.1 253.9 260.4 261.9 262.1 258.4 261.9 265.6 268.6 266.3 263.4 256.7 -5 0 256.6 257.2 268.1 269.5 272.2 272.2 276.6 277.0 279.5 272.7 266.6 257.4 0 5 252.6 258.3 270.8 274.4 278.1 279.8 284.7 282.7 285.6 276.6 268.0 257.7 5 10 247.9 255.1 267.7 276.5 280.5 280.4 285.5 282.6 285.1 275.7 266.5 257.7 10 15 245.9 251.9 263.6 277.0 282.5 279.0 284.5 281.9 282.0 272.9 264.7 258.3 15 20 248.5 254.9 263.8 278.3 286.7 281.3 285.7 284.0 280.4 271.8 264.3 258.6 20 25 255.9 265.4 271.6 283.6 293.3 287.7 289.2 287.3 280.3 273.2 264.8 259.6 25 30 268.0 280.6 287.1 296.7 302.7 295.6 293.8 289.1 281.4 276.1 266.4 265.6 30 35 284.9 297.4 308.0 318.2 315.8 303.8 299.1 291.0 285.1 279.7 271.7 280.1 35 40 306.1 315.3 329.5 342.7 332.2 314.4 306.1 296.5 291.2 283.6 281.6 299.7 40 45 329.4 334.9 347.6 362.2 348.3 328.3 315.1 306.4 298.6 287.8 293.7 315.7 45 50 352.2 354.7 363.0 373.6 359.4 341.3 324.5 316.6 306.2 293.2 305.2 323.0 50 55 368.6 369.6 379.0 380.2 363.8 347.5 331.4 321.1 311.5 299.5 315.4 325.8 55 60 369.3 380.3 395.4 386.4 365.2 346.7 332.9 318.0 310.5 303.9 323.0 328.6 60 65 349.2 395.9 407.5 392.2 368.6 345.0 329.1 311.6 301.9 303.6 323.9 327.6 65 70 317.1 421.4 408.9 394.2 375.9 348.1 324.1 307.6 292.0 300.2 316.6 317.4 70 75 296.6 446.6 397.4 390.3 384.0 354.2 323.2 305.2 290.5 298.5 305.9 302.6 75 80 308.3 453.1 377.3 381.7 389.7 355.7 327.3 298.7 300.4 301.2 299.5 297.1 80 85 347.6 436.9 356.7 372.8 392.3 350.0 332.5 286.2 314.5 305.9 300.6 307.2 85 90 383.1 417.5 343.6 367.4 392.9 343.1 335.5 275.3 323.6 309.0 304.2 320.7 1991 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 274.9 268.2 245.7 252.7 262.1 223.7 216.7 224.0 202.8 162.8 356.6 297.8 -85 -80 276.0 265.5 255.0 253.9 248.8 238.6 236.7 220.9 190.2 173.3 320.2 296.1 -80 -75 279.6 263.7 268.1 257.0 234.3 261.4 266.8 219.2 180.1 193.4 280.3 297.7 -75 -70 287.2 268.5 279.5 263.9 234.1 282.8 294.1 226.0 191.1 224.7 271.5 306.2 -70 -65 298.5 282.6 288.6 276.6 255.0 296.4 308.7 246.6 232.4 266.6 301.9 319.1 -65 -60 308.4 299.7 294.8 292.3 288.2 301.9 309.3 279.1 293.6 309.7 347.9 329.2 -60 -55 309.1 308.4 294.5 302.1 315.0 302.7 303.9 313.4 346.6 340.3 374.8 330.6 -55 -50 299.0 302.2 285.4 298.1 320.7 302.1 302.9 337.4 369.3 351.9 369.3 323.1 -50 -45 284.3 286.0 272.2 283.0 306.9 301.2 308.9 345.6 365.5 349.6 346.7 311.0 -45 -40 273.4 270.1 263.8 267.9 287.1 298.4 314.6 339.7 351.9 342.0 326.7 298.7 -40 -35 268.8 260.9 263.7 261.3 273.4 292.8 311.6 325.2 338.1 332.3 314.5 290.0 -35 -30 266.8 258.0 266.1 261.6 267.0 284.0 300.0 308.4 323.5 319.8 305.5 285.6 -30 -25 263.0 257.5 263.7 261.7 262.6 272.4 285.7 292.6 306.7 304.8 295.1 283.3 -25 -20 256.7 255.9 256.4 257.8 256.9 260.5 273.3 278.0 288.8 288.6 282.4 279.0 -20 -15 250.4 253.0 250.7 253.0 251.6 251.3 263.6 264.2 272.0 272.4 268.3 270.3 -15 -10 247.1 251.5 251.8 252.0 249.9 248.1 256.8 253.5 259.2 259.2 255.7 259.3 -10 -5 247.0 253.4 258.0 255.8 252.8 252.2 255.5 251.2 254.4 253.1 248.4 250.0 -5 0 248.4 256.5 263.7 260.8 258.6 261.3 261.5 259.1 258.4 255.2 247.8 244.5 0 5 249.4 257.2 265.9 265.1 265.8 271.6 271.8 271.6 267.3 260.9 251.1 241.6 5 10 249.4 255.0 266.7 270.2 273.7 279.5 280.7 280.4 275.4 265.1 254.3 239.4 10 15 249.7 252.4 269.4 277.5 282.1 284.3 284.8 282.5 279.0 266.6 256.1 239.3 15 20 252.5 252.7 273.8 286.2 290.8 288.3 286.1 282.2 278.3 267.1 257.0 244.0 20 25 259.8 258.2 280.6 295.0 300.1 294.6 289.7 284.7 277.1 268.8 257.7 253.7 25 30 273.9 272.9 294.3 306.6 312.0 304.5 297.5 291.3 280.1 272.4 260.1 265.4 30 35 295.8 300.8 318.7 324.6 328.5 317.9 307.5 298.7 287.9 278.2 267.9 277.5 35 40 323.9 339.4 349.2 348.5 349.5 333.5 317.2 304.0 296.3 284.9 282.2 291.0 40 45 352.4 377.2 375.2 372.9 370.3 348.6 326.2 308.7 300.8 290.7 297.8 307.2 45 50 374.2 400.7 391.8 391.5 385.1 360.1 335.0 315.0 303.5 295.1 306.1 322.1 50 55 384.3 405.9 404.4 402.4 391.8 365.6 341.2 321.6 309.0 298.1 304.9 329.1 55 60 380.7 401.2 418.4 408.6 393.8 365.2 341.3 323.9 315.1 299.2 303.2 327.2 60 65 365.5 397.9 429.2 414.3 395.4 361.4 335.6 319.7 313.5 298.1 311.3 322.7 65 70 347.9 400.7 429.9 421.1 397.6 358.8 329.8 312.8 302.2 296.5 327.8 322.0 70 75 342.6 404.8 425.8 428.1 398.6 360.4 328.1 308.1 288.8 296.6 336.8 323.3 75 80 359.8 402.9 431.6 433.3 396.5 365.5 328.6 305.2 280.3 298.9 323.1 319.5 80 85 393.1 393.9 451.5 436.1 392.3 370.9 327.2 301.6 277.6 301.2 289.5 309.3 85 90 420.6 385.6 470.7 437.0 388.9 374.1 324.6 298.0 277.6 302.0 260.3 300.0 1992 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 276.5 273.7 269.5 261.5 302.3 285.4 264.3 199.7 176.9 226.7 245.9 282.4 -85 -80 272.5 279.2 275.6 260.8 298.8 290.8 276.3 206.3 169.0 198.4 228.5 283.6 -80 -75 271.4 286.0 283.2 266.1 293.6 296.8 292.8 216.1 162.2 170.6 219.7 284.4 -75 -70 279.8 291.9 289.8 282.2 290.5 298.3 305.7 229.9 170.4 174.5 241.5 285.2 -70 -65 296.7 298.1 297.0 302.9 293.5 296.3 311.3 254.4 204.2 221.6 287.7 288.6 -65 -60 312.9 304.6 305.5 314.6 303.0 296.2 311.4 292.1 259.9 292.4 327.8 295.8 -60 -55 318.4 307.4 310.3 309.1 313.8 301.3 309.7 332.2 316.4 345.4 337.5 302.9 -55 -50 312.1 302.4 305.2 292.3 318.5 308.3 308.5 356.7 350.0 357.8 324.3 303.8 -50 -45 300.6 291.7 291.8 276.7 313.3 309.8 308.2 355.5 356.1 344.8 311.7 297.7 -45 -40 290.6 281.2 278.4 269.4 301.1 302.9 306.9 335.5 347.2 331.7 309.6 290.3 -40 -35 283.9 274.3 271.4 268.1 287.7 290.6 301.1 310.5 333.0 324.5 309.5 286.3 -35 -30 278.8 270.5 269.6 266.0 275.7 277.5 289.3 289.7 314.8 313.4 301.4 283.9 -30 -25 273.5 266.7 267.2 259.9 263.6 264.9 273.1 274.2 292.5 293.1 286.1 278.3 -25 -20 267.4 261.9 261.0 251.8 251.2 252.9 256.6 260.8 269.7 270.4 270.5 268.3 -20 -15 260.3 257.0 254.4 246.1 241.3 242.7 244.3 249.6 252.9 255.5 259.2 258.5 -15 -10 253.8 253.6 251.5 244.9 237.8 237.5 239.7 244.0 248.0 252.6 254.2 254.2 -10 -5 250.0 252.0 252.6 247.3 241.6 239.6 243.5 247.5 255.8 258.2 256.2 256.1 -5 0 248.3 250.5 253.9 250.5 249.1 247.0 253.0 258.4 269.0 264.3 262.3 259.9 0 5 246.1 248.8 253.1 253.2 255.9 256.0 263.2 269.7 277.3 264.9 264.9 260.7 5 10 242.4 249.2 252.8 256.6 261.7 264.2 270.4 275.5 276.7 261.3 259.6 256.6 10 15 239.8 253.3 256.5 262.7 269.6 272.3 274.3 276.3 271.9 258.1 250.9 249.8 15 20 242.7 259.6 264.4 272.7 282.1 281.9 277.4 276.2 269.0 257.7 246.9 244.0 20 25 252.6 267.0 275.2 285.8 297.8 292.6 282.2 278.5 269.9 258.8 250.1 242.2 25 30 268.0 279.3 290.0 301.3 312.6 302.8 290.0 283.3 273.2 261.5 255.5 247.1 30 35 287.5 301.1 311.2 318.6 324.5 312.7 299.4 289.7 277.5 267.8 259.9 260.4 35 40 309.5 329.6 336.5 337.4 335.7 323.6 308.0 296.2 282.2 278.1 266.4 279.7 40 45 330.2 352.9 357.5 356.5 348.3 335.7 314.5 302.5 287.7 289.5 279.6 297.8 45 50 343.2 363.0 368.5 372.7 359.4 345.4 320.1 308.3 293.9 298.8 296.9 308.4 50 55 343.8 364.7 371.6 382.3 364.0 347.9 325.4 312.1 299.2 304.8 308.1 312.4 55 60 337.1 369.3 373.4 385.3 362.0 344.0 328.0 311.5 300.3 306.6 308.1 317.2 60 65 336.0 381.7 377.1 388.4 360.4 339.4 325.9 306.6 296.9 304.2 305.2 328.0 65 70 347.9 395.7 383.0 398.9 366.7 339.0 320.5 300.6 293.6 300.3 311.3 342.7 70 75 366.2 402.1 392.7 415.6 379.2 341.9 315.0 296.6 294.7 300.2 326.4 354.7 75 80 377.1 397.6 409.6 429.9 390.3 342.6 310.5 293.5 299.1 307.1 338.0 360.7 80 85 375.1 387.0 431.5 435.4 394.9 338.3 306.3 289.2 301.9 317.3 337.4 362.5 85 90 368.6 378.6 447.7 434.8 394.8 333.3 303.2 285.4 301.7 324.6 331.1 362.9 1993 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 259.4 260.6 237.3 288.5 277.0 286.3 306.8 264.4 168.1 151.1 236.9 297.9 -85 -80 269.5 267.7 254.5 284.8 285.5 293.9 309.0 252.6 162.0 141.1 222.4 289.4 -80 -75 283.2 277.4 277.6 282.2 295.6 304.6 312.1 239.4 164.6 135.3 205.2 282.0 -75 -70 293.7 285.8 294.0 284.9 300.7 312.6 314.6 238.1 189.5 151.3 203.3 284.4 -70 -65 300.2 291.5 299.1 292.9 300.7 314.3 314.2 255.4 234.8 199.0 229.7 296.1 -65 -60 304.4 293.2 295.5 300.4 299.8 312.3 309.5 285.3 279.6 267.7 279.3 306.9 -60 -55 305.0 289.5 286.8 301.5 299.8 312.3 302.4 312.6 301.8 326.5 324.6 308.2 -55 -50 300.0 282.0 276.3 294.5 298.3 315.3 297.7 326.0 305.0 351.1 341.1 301.0 -50 -45 291.0 275.2 268.2 283.1 292.5 316.1 297.9 326.4 309.3 347.8 331.8 293.4 -45 -40 282.7 272.2 265.9 272.7 284.2 308.2 299.3 320.0 321.9 336.4 317.1 290.1 -40 -35 277.9 271.5 268.2 266.1 276.5 292.4 295.2 309.7 329.1 325.9 308.6 288.3 -35 -30 274.4 268.7 268.5 262.1 269.3 275.7 283.8 295.5 318.0 313.4 302.7 282.8 -30 -25 268.8 262.1 262.1 257.5 260.5 264.0 269.8 279.5 294.2 296.9 292.1 272.3 -25 -20 261.1 254.8 251.9 251.3 250.6 257.4 259.8 266.3 273.5 281.0 277.4 261.3 -20 -15 255.2 251.5 246.4 246.3 244.6 252.6 256.0 259.2 264.1 270.8 265.7 254.4 -15 -10 254.6 254.9 250.6 246.8 246.1 248.5 255.8 257.5 263.6 266.9 260.1 251.7 -10 -5 258.3 261.4 260.2 253.5 252.9 247.5 256.0 258.6 265.7 265.5 257.2 249.2 -5 0 260.9 264.3 265.3 261.1 259.4 250.4 255.4 259.8 265.4 262.6 252.1 244.0 0 5 258.3 259.9 261.1 263.9 261.6 255.1 254.6 259.8 262.2 258.0 245.1 238.0 5 10 251.2 251.9 252.5 261.1 261.4 259.1 255.9 259.6 259.6 255.9 242.5 235.3 10 15 243.9 246.7 247.8 258.2 264.1 262.7 261.2 261.9 261.3 260.1 247.6 237.8 15 20 240.2 247.3 250.1 262.0 272.0 268.8 269.6 267.8 267.0 267.4 255.6 244.2 20 25 241.3 252.5 258.3 273.9 283.2 278.2 278.6 275.4 272.6 271.6 259.8 251.9 25 30 248.3 262.2 271.6 290.1 294.3 288.4 286.6 282.2 275.5 272.0 260.2 261.1 30 35 262.5 277.7 290.7 305.3 304.6 297.1 293.2 287.6 277.3 273.7 264.6 275.3 35 40 282.7 298.2 313.5 318.0 316.2 305.6 299.6 292.6 281.0 279.9 277.5 295.7 40 45 304.3 319.5 333.3 330.9 330.0 317.1 307.1 298.2 288.1 288.0 295.1 317.0 45 50 321.4 337.1 345.7 344.3 343.6 330.4 316.0 303.9 296.7 293.7 310.1 329.0 50 55 332.3 349.3 353.7 353.5 352.4 339.3 323.2 307.1 301.5 296.0 318.9 326.9 55 60 339.2 355.2 362.2 356.2 355.7 340.0 324.9 305.4 298.9 296.3 321.0 317.5 60 65 344.9 354.5 371.4 357.6 357.1 336.0 319.7 299.4 291.4 295.8 315.5 312.4 65 70 349.4 348.4 376.4 366.2 360.1 334.2 309.7 292.7 284.9 294.8 304.3 318.5 70 75 353.1 340.7 374.2 382.5 365.0 334.6 297.3 287.5 281.1 295.1 296.7 332.8 75 80 357.0 336.7 367.3 396.8 369.4 330.8 282.2 282.3 275.2 297.5 303.4 347.8 80 85 362.0 338.0 360.6 401.5 371.7 320.4 265.8 275.5 264.0 300.5 323.5 358.8 85 90 366.3 340.6 356.9 399.4 372.4 310.6 254.5 269.9 253.7 302.3 341.8 364.3 1994 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 262.7 258.3 267.8 289.6 382.3 249.7 229.3 258.6 193.4 191.0 329.6 327.1 -85 -80 269.2 259.6 264.5 289.4 359.8 256.3 239.9 243.3 184.0 176.1 310.2 324.4 -80 -75 277.5 262.6 263.1 290.5 325.8 267.8 255.7 226.1 172.8 162.3 281.3 321.6 -75 -70 284.6 268.5 268.7 295.1 296.4 280.8 271.3 225.1 174.1 169.4 258.7 322.8 -70 -65 291.6 277.4 279.3 303.1 284.4 291.7 285.6 250.6 200.9 208.1 257.5 328.7 -65 -60 298.8 284.4 286.5 309.6 290.9 298.2 299.2 296.1 254.1 268.7 281.6 335.3 -60 -55 301.6 284.4 284.5 307.4 303.2 301.1 311.5 338.8 314.3 322.7 315.7 335.5 -55 -50 297.0 278.8 276.9 294.9 307.0 303.8 319.6 357.7 353.3 347.2 336.9 325.3 -50 -45 288.8 274.6 271.7 278.6 298.8 307.1 321.6 351.7 360.6 346.4 336.9 308.6 -45 -40 283.6 275.3 271.9 268.2 286.6 308.1 317.3 334.3 347.8 337.6 324.7 293.4 -40 -35 281.2 277.4 273.2 265.7 277.2 302.6 307.8 316.5 329.0 328.6 311.2 284.5 -35 -30 275.8 274.6 269.9 264.8 269.5 289.1 294.4 300.5 310.4 316.1 300.0 279.6 -30 -25 265.1 266.3 262.1 259.2 260.0 272.1 278.8 284.4 292.7 298.5 289.3 273.1 -25 -20 254.4 257.3 254.2 250.9 249.6 257.9 264.1 269.8 276.6 280.8 277.4 263.8 -20 -15 250.0 251.8 250.1 246.4 243.9 250.2 254.1 259.7 264.7 269.7 266.9 255.7 -15 -10 250.6 249.7 249.8 248.2 244.7 248.2 250.1 255.6 260.0 267.4 262.1 253.6 -10 -5 248.7 247.2 250.3 251.7 248.0 248.4 251.0 256.2 262.1 270.3 263.6 257.2 -5 0 240.8 242.7 248.7 251.1 249.2 248.5 253.6 258.2 265.7 271.7 265.5 260.5 0 5 232.3 239.1 245.3 248.0 249.0 249.8 255.6 259.4 265.6 267.5 261.2 257.6 5 10 231.2 240.5 244.3 249.1 253.0 254.8 258.5 261.0 262.9 261.2 252.0 248.4 10 15 238.6 247.3 249.4 257.8 264.0 264.4 265.3 266.1 263.2 259.2 245.9 238.4 15 20 248.4 255.3 260.9 270.8 278.4 276.3 276.0 274.5 269.2 262.7 247.4 233.9 20 25 257.3 262.9 277.2 283.6 291.1 287.2 286.4 282.3 277.2 267.7 253.2 237.2 25 30 269.2 276.1 296.7 297.6 302.2 296.3 292.9 286.8 283.3 270.9 257.4 247.4 30 35 290.6 301.8 317.9 316.5 315.8 306.0 296.5 289.4 287.8 274.1 261.3 263.1 35 40 319.4 337.8 338.6 339.4 334.1 317.9 301.4 293.6 292.6 280.2 270.5 283.0 40 45 344.3 371.0 356.7 359.6 353.4 331.0 310.7 302.1 298.6 288.1 286.9 304.0 45 50 359.4 391.7 372.4 373.2 367.7 342.5 322.7 313.3 304.8 294.2 304.0 320.7 50 55 370.8 404.2 385.6 383.7 376.5 350.7 331.7 322.3 308.8 296.2 312.3 329.4 55 60 385.5 416.0 393.9 397.3 383.7 356.2 333.4 323.8 308.8 294.7 311.0 332.3 60 65 397.9 424.0 394.7 413.9 391.4 359.8 329.2 316.4 305.3 292.2 308.9 334.4 65 70 397.9 417.3 389.9 428.0 396.2 360.1 324.2 304.2 302.5 290.6 314.2 337.9 70 75 389.2 390.8 387.5 436.2 394.2 353.9 320.3 291.5 304.0 290.2 326.7 341.0 75 80 389.0 353.1 395.0 440.1 386.5 339.7 314.2 278.8 307.7 289.5 338.6 341.2 80 85 405.6 319.7 410.7 442.9 378.4 322.0 303.9 266.3 308.5 287.0 343.8 338.9 85 90 424.3 301.4 423.8 445.1 373.9 309.7 295.1 257.9 307.0 284.4 343.7 336.7 1995 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 271.9 277.7 255.9 257.8 231.5 220.5 251.7 260.6 170.9 179.7 214.3 294.5 -85 -80 276.2 273.2 256.6 257.9 243.9 233.0 255.6 248.7 163.6 156.8 204.1 271.9 -80 -75 282.7 270.6 261.6 263.4 261.9 252.2 262.1 233.5 158.7 140.9 195.3 251.1 -75 -70 289.9 276.2 274.1 277.8 278.3 270.8 270.8 227.5 169.3 162.0 203.3 254.9 -70 -65 297.4 289.0 292.3 296.7 290.1 284.5 281.6 240.0 203.2 224.1 234.7 281.4 -65 -60 303.2 299.7 308.4 309.1 297.7 293.1 293.5 268.7 254.8 298.4 279.6 308.0 -60 -55 304.2 300.2 313.4 307.1 300.7 298.1 304.5 299.6 305.9 345.4 315.9 316.1 -55 -50 299.2 292.2 305.7 294.2 297.3 299.7 312.8 318.5 338.1 355.0 328.7 308.0 -50 -45 291.0 283.5 292.1 280.8 288.1 297.8 317.7 322.4 348.0 347.5 323.6 296.8 -45 -40 284.3 277.4 280.7 274.0 277.8 292.5 317.4 317.5 342.6 340.5 314.6 290.1 -40 -35 280.3 271.8 273.9 272.5 270.4 284.1 309.2 308.9 328.1 332.6 307.0 286.0 -35 -30 276.2 265.3 269.2 270.3 265.1 273.5 293.5 296.7 309.3 317.6 298.2 280.6 -30 -25 269.4 259.2 263.4 263.4 258.7 262.4 274.8 281.8 291.6 298.9 286.2 273.5 -25 -20 260.4 254.9 256.3 254.2 251.3 254.4 260.2 268.7 279.0 284.6 273.9 266.3 -20 -15 252.9 252.1 251.1 248.5 246.9 251.9 253.4 261.6 271.6 276.6 264.8 259.9 -15 -10 249.9 250.7 251.1 249.4 248.5 254.2 253.6 260.6 267.8 271.5 260.1 254.5 -10 -5 251.1 251.9 255.9 254.5 253.9 258.1 257.0 262.4 266.6 267.3 257.8 250.7 -5 0 252.7 254.5 260.4 258.4 258.4 260.8 259.9 262.9 265.9 264.0 255.2 248.9 0 5 250.2 254.6 259.2 258.4 259.8 262.1 261.0 260.9 264.1 261.5 251.3 247.3 5 10 242.9 249.9 253.4 255.9 261.0 264.9 262.7 259.6 262.2 260.3 248.7 245.0 10 15 234.4 243.1 249.7 255.3 265.9 270.2 267.2 263.2 263.3 261.7 250.4 244.1 15 20 230.3 240.1 253.1 260.0 274.5 276.9 273.8 270.7 268.5 265.4 256.2 248.3 20 25 234.7 246.9 264.3 270.5 284.2 283.5 279.9 277.5 274.2 268.8 263.2 257.6 25 30 248.6 265.4 280.4 286.1 293.4 290.8 284.5 280.7 277.7 269.7 270.4 269.4 30 35 271.6 291.6 299.1 304.9 304.0 301.0 289.6 282.6 280.6 269.9 279.5 282.1 35 40 299.4 316.6 319.2 324.4 319.2 314.5 297.1 287.4 286.0 273.3 290.8 297.6 40 45 324.5 333.9 339.8 342.5 337.7 327.6 307.5 296.7 294.1 280.9 300.9 316.0 45 50 339.9 345.9 358.6 357.4 353.4 335.9 319.3 306.6 301.2 289.1 306.9 329.7 50 55 343.9 358.0 371.5 368.3 361.9 338.4 329.0 311.8 303.4 292.6 309.2 327.8 55 60 340.0 369.1 375.9 375.1 365.2 337.4 333.1 309.6 300.8 290.0 309.7 311.1 60 65 334.2 373.8 375.0 379.5 368.6 335.4 331.7 302.6 298.9 286.9 308.6 295.6 65 70 331.3 370.3 374.2 383.3 374.5 334.3 327.3 296.3 301.8 289.2 305.1 296.8 70 75 333.8 365.1 377.1 384.9 379.6 335.1 321.1 292.6 304.9 294.9 301.4 313.3 75 80 341.8 366.2 382.4 380.2 379.6 338.1 311.7 288.7 298.1 296.2 301.4 329.6 80 85 352.5 374.0 386.3 369.7 374.7 342.2 299.4 282.4 279.4 288.9 305.9 334.9 85 90 360.4 381.6 387.7 360.5 369.8 345.2 289.9 276.6 262.1 280.2 310.6 333.2 1996 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 263.1 253.9 248.2 236.2 235.4 223.7 238.4 210.6 196.1 199.3 238.4 281.5 -85 -80 263.1 253.9 246.9 233.7 236.9 231.3 241.7 207.9 178.4 172.2 222.9 279.3 -80 -75 264.9 256.9 250.3 236.6 241.2 245.1 248.1 203.5 162.1 151.4 205.1 274.6 -75 -70 271.3 266.3 263.3 250.3 249.4 262.2 257.3 202.8 168.4 170.0 202.2 270.9 -70 -65 282.0 280.6 282.1 270.4 261.2 278.5 268.1 216.0 206.0 234.4 225.8 274.4 -65 -60 292.1 292.5 295.3 286.2 274.6 290.3 278.1 248.3 264.4 315.2 270.8 287.6 -60 -55 294.7 294.3 294.5 290.6 286.4 297.5 287.4 291.8 318.3 368.4 315.1 303.8 -55 -50 289.2 286.9 283.4 286.7 292.8 301.5 297.7 327.7 348.7 377.8 337.6 311.8 -50 -45 281.8 278.3 272.6 280.7 291.4 303.1 309.9 342.5 357.3 362.9 336.9 307.1 -45 -40 277.6 273.8 268.1 275.4 283.6 301.6 319.2 337.5 354.2 345.8 326.2 296.0 -40 -35 275.9 271.9 267.5 270.4 273.5 295.1 318.2 322.0 342.2 330.5 315.3 286.7 -35 -30 271.5 268.6 265.0 266.0 264.7 283.9 304.9 304.1 321.9 313.8 305.5 281.0 -30 -25 262.6 262.1 258.7 262.6 258.3 270.3 285.1 287.3 299.5 298.0 295.1 275.5 -25 -20 253.4 255.2 251.5 259.1 253.6 258.0 267.6 273.0 282.5 286.9 283.9 268.5 -20 -15 248.7 250.6 247.6 255.1 249.9 249.9 256.8 262.4 272.6 280.0 273.6 262.8 -15 -10 249.2 249.8 248.3 251.3 248.0 246.8 252.2 257.1 266.9 274.2 266.4 260.4 -10 -5 250.3 250.7 251.0 249.6 249.1 248.0 251.7 257.0 263.0 268.9 263.0 260.0 -5 0 248.2 249.9 252.1 250.4 252.8 251.0 254.3 259.6 260.1 264.6 261.2 257.7 0 5 243.2 245.8 251.2 251.5 257.5 254.4 259.2 261.7 258.7 260.9 258.1 251.8 5 10 239.8 242.1 251.4 252.6 262.3 259.3 265.9 263.4 259.7 257.7 253.8 245.2 10 15 242.0 244.2 256.8 257.1 268.3 267.9 272.9 266.8 263.5 256.9 251.1 241.6 15 20 249.7 253.4 267.6 268.7 277.4 278.9 278.1 273.0 267.9 259.9 250.9 241.8 20 25 260.4 267.4 280.5 286.8 289.0 288.5 281.2 279.1 270.3 264.5 251.3 245.1 25 30 274.0 284.7 294.1 305.4 300.8 293.9 284.2 282.5 271.9 267.4 253.1 252.4 30 35 293.1 307.0 311.1 320.8 312.6 297.8 289.7 284.8 276.3 269.5 260.2 266.2 35 40 318.5 334.9 334.4 336.3 327.8 307.1 299.1 289.9 285.5 275.0 275.3 287.0 40 45 343.7 363.9 361.7 357.1 348.4 325.0 312.0 299.6 297.3 286.2 295.1 309.5 45 50 358.4 385.6 384.0 379.6 370.3 344.9 325.9 311.5 308.2 299.7 312.4 326.5 50 55 357.5 392.0 392.7 391.2 384.4 356.1 336.0 319.7 314.1 307.3 321.2 335.5 55 60 345.9 381.7 388.3 386.5 386.6 355.3 337.9 319.8 311.9 303.9 321.9 340.9 60 65 333.6 361.5 381.0 378.4 382.7 350.0 331.1 313.7 302.2 294.1 318.1 346.6 65 70 326.9 341.5 381.5 384.4 380.8 349.5 320.5 307.3 290.3 287.1 313.6 351.2 70 75 326.4 329.5 391.8 403.3 381.8 353.9 311.2 302.6 280.7 285.7 310.4 351.3 75 80 329.8 327.0 404.8 415.6 379.8 355.0 304.0 296.9 272.6 283.9 308.2 347.3 80 85 333.9 329.8 413.4 408.8 372.1 348.8 297.9 287.9 264.0 277.1 306.7 342.9 85 90 336.7 332.4 416.4 395.2 364.5 341.2 293.8 280.2 257.1 269.7 305.7 340.5 1997 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 278.3 254.6 256.9 247.3 271.4 253.4 288.6 226.2 166.1 187.2 223.6 291.3 -85 -80 277.1 265.7 254.3 244.1 279.6 263.0 295.1 225.3 163.8 166.2 224.1 285.6 -80 -75 277.5 277.6 254.6 245.9 289.7 274.7 301.3 227.5 169.5 150.1 226.8 281.8 -75 -70 283.2 282.4 263.6 259.5 295.4 281.5 301.8 238.3 195.1 165.0 237.2 286.6 -70 -65 294.6 283.9 280.0 281.5 295.1 283.0 298.5 260.3 242.4 216.3 261.0 297.4 -65 -60 306.3 289.7 295.3 298.6 292.0 284.5 297.0 287.8 295.4 280.8 294.0 306.2 -60 -55 310.5 298.6 299.9 300.4 289.7 289.2 298.6 309.2 329.3 323.0 320.7 307.8 -55 -50 303.9 301.6 293.1 288.8 287.3 293.9 299.2 317.5 335.8 331.1 327.4 303.6 -50 -45 290.3 293.8 281.6 274.5 281.5 293.5 295.4 314.8 328.8 323.0 317.1 298.3 -45 -40 277.3 279.9 272.2 265.8 271.5 287.1 288.2 306.8 322.3 317.1 303.5 293.5 -40 -35 269.1 268.5 267.2 262.8 261.5 278.0 280.2 296.0 315.4 313.6 294.9 287.3 -35 -30 265.3 262.5 264.6 261.2 254.9 268.3 271.5 283.0 302.1 304.6 289.3 279.2 -30 -25 262.3 259.3 261.8 257.8 251.7 257.6 260.7 268.9 284.0 289.5 283.1 271.3 -25 -20 257.6 255.8 258.5 253.1 249.8 247.4 249.5 257.0 269.2 275.9 276.5 265.9 -20 -15 252.3 252.8 256.3 250.9 248.7 242.0 243.7 250.7 263.2 269.4 272.1 263.0 -15 -10 250.1 253.4 257.3 253.3 250.4 245.5 247.9 251.8 265.4 269.6 270.0 260.3 -10 -5 252.9 256.7 261.7 259.0 256.2 257.0 259.8 259.8 271.5 273.3 267.9 256.2 -5 0 257.2 257.6 266.2 263.6 264.2 269.3 271.2 270.0 276.4 276.4 263.0 251.6 0 5 257.2 252.6 266.1 265.0 270.5 276.0 275.2 276.0 277.1 275.5 256.4 248.5 5 10 251.1 245.5 261.5 264.8 273.0 276.9 273.4 275.7 275.2 271.4 252.5 248.1 10 15 243.5 242.8 256.7 266.7 273.3 277.2 272.9 273.4 274.2 268.3 254.3 250.2 15 20 240.2 246.5 256.7 273.1 275.5 281.7 277.6 274.4 275.0 268.8 259.6 253.8 20 25 243.8 254.1 263.4 283.2 282.1 289.2 284.6 278.1 276.0 272.0 264.4 258.4 25 30 254.2 265.5 276.7 294.9 292.8 296.6 289.2 280.7 276.5 275.4 269.1 265.8 30 35 273.4 284.4 296.0 308.4 305.6 304.4 292.6 282.0 278.7 279.3 277.9 279.5 35 40 304.1 313.1 319.5 325.5 320.7 315.9 300.7 286.4 284.1 284.7 291.4 301.2 40 45 341.3 347.5 345.0 346.3 338.6 332.1 316.0 298.1 292.3 291.8 303.9 325.1 45 50 368.7 377.8 368.9 365.9 357.0 348.1 332.4 313.3 301.9 299.1 310.7 339.8 50 55 372.9 396.1 386.0 375.3 371.2 356.9 340.4 322.1 309.5 304.0 311.9 338.6 55 60 360.1 400.2 393.2 372.0 378.8 357.5 337.2 318.8 311.0 304.2 310.9 327.3 60 65 351.0 391.7 390.2 363.9 382.1 355.8 329.7 309.1 305.6 300.3 307.1 320.7 65 70 357.4 373.6 376.3 361.4 386.0 356.7 326.0 304.3 298.6 296.2 299.8 328.5 70 75 367.9 351.0 350.0 365.1 391.4 358.7 324.0 307.0 296.2 294.7 293.7 347.0 75 80 361.3 329.7 311.2 366.5 394.9 355.4 314.7 308.8 298.3 294.7 296.3 365.4 80 85 334.3 314.3 268.5 360.0 394.7 345.4 296.1 303.3 299.9 293.7 308.1 376.3 85 90 308.6 306.4 239.3 351.5 392.9 336.2 280.0 295.6 299.6 292.0 319.3 380.3 1998 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 261.8 260.8 267.0 288.4 252.7 279.9 246.0 269.2 162.8 160.0 210.2 247.3 -85 -80 264.4 264.0 268.0 279.4 258.0 285.6 254.2 256.9 156.6 151.6 191.8 246.6 -80 -75 267.4 266.9 269.8 270.9 265.9 292.6 264.7 240.6 152.1 149.2 183.1 248.4 -75 -70 271.1 267.7 273.1 272.1 273.6 296.2 273.4 233.2 161.5 169.2 209.0 256.0 -70 -65 278.3 268.8 279.1 282.3 280.2 295.5 282.0 245.5 194.0 217.9 265.8 270.5 -65 -60 289.1 271.4 285.9 291.8 285.8 294.0 294.2 275.8 246.4 281.7 320.7 287.6 -60 -55 297.6 273.2 288.6 292.0 288.6 295.4 309.4 309.1 299.1 332.3 342.2 299.5 -55 -50 297.6 272.6 284.6 284.1 287.2 299.9 321.8 330.0 331.9 352.1 331.8 301.5 -50 -45 290.1 270.9 277.3 275.9 283.0 303.6 326.6 335.4 342.9 348.4 315.3 296.1 -45 -40 281.7 271.0 271.9 271.9 279.1 302.4 323.7 332.8 343.1 338.0 309.6 290.0 -40 -35 276.2 272.1 269.3 269.7 276.3 294.7 314.9 326.5 337.8 328.2 310.3 286.9 -35 -30 271.2 269.9 266.2 265.5 271.9 282.4 302.0 314.2 325.3 317.5 306.4 285.5 -30 -25 263.2 262.7 259.7 258.6 264.1 269.0 286.4 296.2 306.3 304.6 295.7 282.3 -25 -20 253.5 253.2 251.6 252.7 255.6 258.4 272.1 279.1 287.8 291.5 284.2 277.2 -20 -15 247.2 246.9 246.9 251.2 251.0 253.1 263.1 270.0 276.7 281.2 276.1 272.2 -15 -10 246.0 246.6 247.9 252.9 252.0 252.9 260.7 269.1 274.2 275.6 271.5 268.7 -10 -5 246.9 249.6 252.0 254.2 255.2 255.5 262.1 270.3 275.6 274.5 269.0 266.1 -5 0 245.2 250.4 253.8 252.8 257.0 257.8 263.4 268.0 274.2 274.9 266.9 262.7 0 5 240.3 246.9 251.7 251.3 257.6 259.5 263.7 262.1 268.1 272.7 262.9 257.9 5 10 236.3 243.2 249.7 254.0 260.9 263.0 265.9 259.5 264.0 267.8 257.0 252.8 10 15 237.3 244.8 253.2 262.6 269.0 270.2 272.7 265.3 268.4 265.0 252.7 248.4 15 20 243.6 252.8 262.7 275.2 280.1 280.3 282.0 276.5 278.5 266.7 252.2 244.8 20 25 253.0 265.5 275.9 288.9 291.0 290.2 289.5 285.9 284.6 269.6 254.3 243.3 25 30 266.8 282.9 293.1 304.1 301.7 298.7 293.7 290.4 283.2 270.2 257.2 247.1 30 35 288.6 305.6 317.2 323.1 315.8 309.0 297.8 293.8 281.5 271.1 262.5 259.6 35 40 319.1 331.0 347.9 346.2 335.6 324.3 305.8 300.3 287.2 277.6 275.2 281.3 40 45 350.6 353.1 378.5 371.1 359.0 343.7 319.2 310.3 300.3 291.0 297.0 307.0 45 50 371.6 370.6 401.0 393.5 380.1 360.8 335.2 320.9 312.6 305.0 321.6 329.6 50 55 377.1 385.8 412.4 409.9 393.8 369.5 347.9 328.4 316.8 312.1 337.6 345.5 55 60 372.0 397.1 416.5 419.3 398.7 369.7 351.3 330.4 314.1 311.1 339.5 355.9 60 65 365.0 399.4 418.4 424.2 397.8 367.2 345.1 326.1 312.2 310.0 331.6 363.6 65 70 362.9 392.1 420.7 429.7 397.4 367.0 336.0 318.6 315.8 315.8 321.9 370.2 70 75 370.6 385.4 422.9 437.7 405.2 369.5 332.2 312.9 320.5 326.0 312.8 377.3 75 80 389.6 393.3 425.0 447.0 425.4 370.5 336.5 310.9 315.8 330.8 300.1 387.5 80 85 414.4 415.9 426.8 454.0 452.3 367.9 344.5 310.8 299.5 325.2 282.9 401.0 85 90 432.7 435.8 427.7 456.9 471.8 364.4 350.1 311.0 283.9 316.9 269.3 411.6 1999 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 263.0 251.4 246.9 246.4 265.3 247.3 280.5 238.7 150.9 164.6 219.6 287.8 -85 -80 262.8 250.0 252.5 255.7 269.9 260.0 282.4 234.6 157.0 157.1 197.0 269.2 -80 -75 264.8 252.9 261.1 266.1 275.3 276.4 283.7 227.8 165.4 151.4 180.6 249.5 -75 -70 271.9 265.0 270.0 271.3 279.7 287.9 283.6 224.8 178.8 161.5 197.7 248.7 -70 -65 284.2 282.7 278.6 274.1 285.2 293.2 285.0 235.4 205.3 197.8 249.4 272.8 -65 -60 296.1 294.1 284.7 279.5 293.4 296.5 290.3 263.1 247.9 254.7 307.9 307.1 -60 -55 299.6 290.7 284.5 285.4 299.5 299.7 298.3 297.6 294.6 307.7 339.9 328.5 -55 -50 292.3 277.2 277.8 284.9 295.9 299.7 304.4 321.8 325.7 333.9 339.3 325.0 -50 -45 280.1 266.0 269.7 276.8 283.2 294.8 305.4 327.3 334.3 335.2 326.0 305.6 -45 -40 271.3 263.9 266.1 269.3 270.8 288.2 302.1 319.6 330.0 328.9 317.2 287.9 -40 -35 269.1 267.0 267.2 268.2 266.0 283.1 295.9 308.2 322.4 323.8 312.4 280.3 -35 -30 270.3 268.1 267.6 269.1 265.6 277.0 286.4 296.5 312.9 316.5 304.6 278.8 -30 -25 269.8 265.3 262.9 263.9 261.8 266.3 274.1 283.2 299.6 303.7 292.4 275.1 -25 -20 266.1 261.2 255.1 253.2 253.9 253.4 262.2 269.9 284.6 289.0 280.4 266.6 -20 -15 261.9 259.2 250.6 246.7 249.0 246.2 255.9 261.4 273.6 278.6 271.8 258.3 -15 -10 260.4 260.8 252.9 250.9 253.0 249.8 257.7 261.0 270.7 275.5 266.4 254.6 -10 -5 262.3 264.6 258.4 261.1 263.0 260.8 265.1 267.7 274.9 277.0 263.5 255.0 -5 0 263.5 266.7 261.1 267.2 271.1 270.2 271.7 275.9 280.0 277.0 262.5 255.9 0 5 259.7 263.6 259.8 266.0 273.4 272.5 273.4 279.7 280.0 272.7 261.9 255.3 5 10 251.3 256.4 258.7 264.2 273.5 271.2 272.0 279.3 276.3 267.8 261.6 254.2 10 15 243.7 249.3 260.9 267.8 276.4 272.8 273.4 279.1 275.3 267.7 262.6 254.6 15 20 241.4 246.0 263.5 275.4 282.9 279.7 279.3 282.1 278.6 271.9 265.2 256.4 20 25 245.0 248.9 263.8 282.5 291.0 288.3 286.9 287.0 281.9 275.8 268.2 259.5 25 30 253.5 260.8 266.5 290.8 300.7 295.7 292.6 291.0 282.7 276.8 270.5 265.9 30 35 268.4 283.1 282.1 307.0 315.0 304.3 297.4 293.8 283.5 278.0 274.3 279.0 35 40 292.8 313.8 315.9 333.7 335.4 318.1 305.7 297.5 287.5 282.6 282.3 298.9 40 45 324.2 345.9 358.9 363.5 356.7 336.8 318.5 303.8 294.4 289.9 294.3 319.7 45 50 352.4 372.4 395.1 386.8 372.1 353.3 331.7 311.5 300.8 298.2 306.6 333.4 50 55 368.6 391.8 417.0 401.2 381.1 360.5 339.0 318.4 303.2 306.0 314.7 337.9 55 60 376.1 408.2 431.3 411.2 390.0 358.2 339.2 321.5 300.2 309.9 317.9 339.0 60 65 387.1 425.5 447.5 419.8 402.6 352.6 337.2 320.0 293.2 305.8 319.0 341.8 65 70 404.9 441.6 463.1 425.1 413.8 349.5 337.1 315.3 287.3 295.8 319.4 344.8 70 75 417.2 449.5 466.1 425.2 414.8 351.2 335.6 308.1 285.9 288.0 316.4 342.0 75 80 408.4 443.1 448.5 422.2 402.7 355.9 324.8 297.5 287.0 289.5 306.1 331.3 80 85 380.9 425.9 417.4 419.8 384.4 360.4 304.6 284.4 286.5 298.5 289.4 317.4 85 90 356.5 411.3 393.0 418.9 371.2 362.8 287.9 274.8 284.7 306.4 276.0 308.0 2000 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 256.5 248.6 233.0 252.4 263.6 239.1 259.7 249.1 165.9 203.8 357.3 296.5 -85 -80 265.3 255.5 243.4 251.9 269.9 249.3 264.0 233.4 163.4 187.8 316.7 299.3 -80 -75 276.3 262.7 256.5 257.0 279.3 265.0 272.4 218.1 158.5 170.9 275.4 302.2 -75 -70 284.3 266.5 265.8 271.6 287.8 278.9 283.5 219.9 158.6 171.3 271.2 304.3 -70 -65 290.1 270.5 272.0 290.5 292.3 286.5 293.7 242.0 177.0 199.6 305.8 308.6 -65 -60 295.6 278.3 277.6 301.2 292.6 289.2 299.1 271.8 221.5 250.9 347.1 316.0 -60 -55 297.3 285.1 280.7 296.3 290.1 291.6 300.0 293.9 280.1 302.7 361.6 320.2 -55 -50 291.0 283.4 277.2 281.6 286.6 297.0 302.0 306.5 325.7 332.9 348.6 314.6 -50 -45 279.3 273.9 268.4 269.2 283.4 303.1 308.9 317.9 343.8 339.8 329.9 300.8 -45 -40 270.5 265.6 261.5 265.6 281.1 303.8 316.5 329.3 342.1 335.2 318.8 287.9 -40 -35 268.6 263.9 260.4 267.5 278.9 295.8 316.3 331.4 332.1 326.2 311.0 281.8 -35 -30 269.5 265.6 262.1 267.7 274.5 282.1 304.5 317.1 317.8 313.9 299.7 279.6 -30 -25 267.1 264.2 260.9 263.1 267.3 269.1 286.9 294.0 300.5 299.8 287.4 274.9 -25 -20 261.0 258.2 255.8 257.3 259.5 261.4 272.3 276.2 284.9 287.2 278.8 266.6 -20 -15 255.7 252.6 251.8 254.9 254.8 259.6 265.3 269.2 275.9 277.6 272.9 258.7 -15 -10 254.3 252.2 252.5 256.5 254.6 261.2 264.4 268.9 274.0 270.4 265.8 254.0 -10 -5 254.7 255.3 255.8 258.6 257.5 263.1 265.9 268.9 274.0 264.4 257.0 250.9 -5 0 253.3 256.1 256.7 257.8 260.6 263.6 267.0 266.4 268.9 258.5 249.6 247.5 0 5 250.7 252.6 255.0 255.9 262.9 263.2 267.0 263.3 258.8 253.6 246.2 245.1 5 10 250.8 250.4 255.7 257.8 266.8 265.0 268.5 263.6 252.7 252.5 247.4 246.1 10 15 255.1 254.5 262.0 266.3 274.1 271.6 273.5 268.9 258.0 256.9 252.3 249.6 15 20 260.3 263.0 270.9 280.0 284.4 282.0 281.3 276.8 270.6 263.5 257.6 252.0 20 25 263.7 271.9 279.2 295.1 295.1 292.4 288.8 283.7 279.6 267.0 258.6 253.4 25 30 268.8 282.2 289.6 309.2 303.9 299.6 293.6 288.2 280.9 266.4 255.2 259.3 30 35 283.5 299.1 308.5 322.4 312.3 304.5 296.6 291.4 280.3 267.0 255.2 275.1 35 40 310.8 324.1 335.2 336.1 323.7 311.1 301.4 295.4 284.1 273.6 268.8 298.9 40 45 341.1 350.5 360.4 350.7 339.3 322.1 310.7 300.8 292.0 284.8 295.1 322.5 45 50 359.4 371.4 376.5 365.0 355.1 335.6 322.9 306.3 299.6 295.3 318.9 340.4 50 55 361.1 386.8 385.5 376.2 365.8 346.3 331.4 309.7 303.4 300.5 323.8 355.0 55 60 355.5 398.4 393.0 382.0 370.3 351.3 331.0 309.6 301.7 299.8 313.5 366.6 60 65 351.8 401.7 398.4 384.1 373.2 352.5 324.2 306.7 295.4 295.5 310.0 366.4 65 70 349.0 389.1 395.4 388.7 377.6 352.6 318.5 302.8 288.6 290.0 327.9 347.1 70 75 340.6 360.9 383.3 400.3 381.4 349.4 318.9 296.9 286.5 283.9 355.8 317.2 75 80 324.9 327.8 371.1 417.1 380.0 338.8 322.5 285.6 289.8 276.4 368.8 297.3 80 85 307.3 302.9 366.3 433.0 373.3 322.4 323.9 269.7 294.4 267.5 356.9 298.2 85 90 295.9 291.0 367.1 442.0 367.0 309.5 322.9 257.4 297.0 260.6 338.3 307.8 2001 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 263.3 247.9 238.1 274.5 250.0 294.3 297.4 253.5 161.8 178.6 229.4 258.7 -85 -80 272.6 253.9 245.7 269.4 253.3 293.2 295.2 246.7 148.7 163.4 213.5 258.6 -80 -75 284.0 262.6 257.2 265.0 258.2 290.6 290.0 236.9 142.4 150.2 205.4 261.1 -75 -70 291.7 272.0 268.9 267.8 263.8 287.8 285.5 233.6 163.5 160.4 228.2 270.0 -70 -65 296.3 282.5 279.5 279.2 271.6 289.4 288.8 247.1 216.5 204.5 281.2 285.6 -65 -60 301.0 292.5 287.6 292.0 282.4 297.9 302.6 278.5 281.5 270.4 336.5 302.6 -60 -55 304.4 296.0 288.8 296.1 292.6 310.1 319.2 314.2 326.8 325.9 362.1 312.5 -55 -50 301.4 289.2 281.5 288.8 296.4 317.7 327.4 335.9 340.7 348.3 354.1 310.6 -50 -45 291.5 276.5 271.0 276.8 291.9 315.9 324.6 337.5 339.5 346.2 334.3 300.8 -45 -40 280.4 266.2 264.6 269.4 283.3 306.3 316.8 327.9 340.1 339.7 321.7 291.5 -40 -35 273.4 262.6 264.4 268.6 275.4 293.4 309.0 316.0 339.3 334.7 315.7 287.2 -35 -30 270.2 262.9 265.7 268.6 268.8 279.5 298.9 302.8 327.1 324.4 307.5 285.5 -30 -25 267.0 261.4 262.8 263.9 261.7 265.6 282.8 287.1 305.2 306.2 295.2 282.2 -25 -20 262.1 256.5 256.3 256.3 254.4 254.2 264.4 271.6 284.8 287.8 284.3 276.5 -20 -15 257.7 251.6 251.5 252.0 249.8 248.4 252.1 261.6 273.7 277.0 278.9 271.5 -15 -10 254.9 251.1 252.0 253.7 249.2 248.7 250.1 258.9 270.8 274.5 277.0 269.3 -10 -5 252.1 254.6 255.6 257.4 250.9 251.9 255.2 260.7 270.8 274.4 274.0 268.1 -5 0 247.1 256.6 257.1 257.4 253.3 254.5 260.8 262.5 269.6 270.8 268.2 264.4 0 5 240.6 253.4 255.2 254.9 257.1 256.8 263.8 263.1 267.3 263.7 260.5 257.3 5 10 237.7 249.2 253.9 257.0 264.3 262.3 268.0 265.6 267.3 258.6 254.3 249.5 10 15 242.1 250.5 257.6 268.2 274.8 272.3 276.2 272.8 271.7 259.7 252.7 244.4 15 20 251.4 257.3 266.5 284.3 286.4 283.7 285.4 282.7 278.1 265.0 255.0 243.2 20 25 260.3 264.5 279.7 297.1 297.8 293.1 291.1 290.4 281.2 269.7 258.5 245.1 25 30 268.3 270.7 298.0 304.0 309.8 300.8 293.4 294.6 280.9 273.1 262.4 251.1 30 35 281.8 282.7 322.0 311.6 323.6 310.0 297.6 297.6 281.5 277.7 269.3 263.9 35 40 307.6 308.7 346.8 328.7 337.5 321.8 306.5 301.5 286.8 284.4 280.4 285.2 40 45 340.7 347.2 366.0 355.9 348.4 333.9 318.0 305.9 296.4 291.2 293.1 310.6 45 50 365.5 383.8 380.8 383.2 356.6 344.5 328.3 310.6 306.5 297.7 303.0 331.1 50 55 372.1 403.5 398.4 399.7 365.8 353.4 334.6 315.3 312.1 305.7 308.4 341.3 55 60 368.8 408.0 419.9 404.5 377.2 359.7 335.5 318.3 309.9 311.6 311.2 343.4 60 65 372.0 412.9 435.6 405.8 386.7 360.1 331.2 316.4 301.4 306.6 313.8 343.7 65 70 386.6 430.8 436.6 412.0 390.0 354.9 324.9 309.5 293.3 289.5 316.8 345.7 70 75 400.9 458.4 429.1 421.9 389.6 349.8 322.3 301.4 290.8 272.2 319.8 347.7 75 80 399.9 481.3 429.8 427.5 393.1 352.0 326.6 296.3 292.1 268.2 321.5 348.5 80 85 383.3 490.2 445.1 424.4 403.6 362.2 335.2 294.3 292.3 278.2 321.3 348.7 85 90 367.0 490.1 461.9 418.5 413.4 371.8 341.7 294.0 290.8 289.3 320.5 348.7 2002 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 262.7 254.1 233.7 239.0 245.5 214.0 279.6 257.6 267.8 238.9 356.9 298.6 -85 -80 268.8 258.2 243.8 246.3 260.1 232.2 283.2 258.7 254.1 245.0 354.0 302.5 -80 -75 277.2 264.6 257.3 258.5 280.2 260.4 288.7 252.0 236.8 258.8 346.2 307.5 -75 -70 284.4 271.9 268.0 272.6 295.2 286.9 294.8 238.6 232.0 284.1 336.4 311.0 -70 -65 290.2 280.3 275.7 284.7 301.1 302.4 301.6 236.0 251.7 319.5 331.5 313.8 -65 -60 294.5 287.4 282.9 291.5 300.9 305.8 308.7 261.6 293.7 352.9 334.1 317.4 -60 -55 295.4 288.5 287.7 291.7 298.8 303.3 314.9 308.7 339.0 369.7 337.6 319.5 -55 -50 291.4 282.9 285.6 286.1 296.1 301.8 319.1 346.1 364.9 366.2 332.9 315.9 -50 -45 283.9 275.4 276.9 277.4 291.7 301.8 320.9 351.6 365.4 351.7 320.9 305.4 -45 -40 276.9 271.0 267.5 269.6 285.4 298.6 318.7 332.6 351.3 335.9 310.7 292.5 -40 -35 273.0 270.2 262.9 265.4 277.3 289.0 309.3 311.1 332.7 321.1 305.4 283.0 -35 -30 271.6 269.5 262.4 264.0 267.5 275.2 291.8 296.3 313.5 305.6 300.3 278.4 -30 -25 270.5 266.8 261.4 261.8 256.2 262.4 271.3 283.4 295.3 290.3 290.3 275.3 -25 -20 268.4 263.3 257.9 257.4 247.0 254.4 255.8 269.5 280.6 278.2 277.6 271.0 -20 -15 265.8 261.9 255.2 253.9 244.5 252.0 250.8 260.1 271.7 271.0 268.0 265.8 -15 -10 263.9 264.2 258.0 255.1 249.9 253.8 255.0 260.0 268.6 268.0 264.4 261.2 -10 -5 263.4 267.7 264.9 261.3 258.9 257.8 262.3 266.1 268.9 267.3 263.6 257.1 -5 0 262.5 268.2 268.7 267.2 265.3 262.1 266.6 269.7 268.4 266.5 261.1 251.9 0 5 259.2 263.6 264.6 268.1 266.7 265.2 266.2 266.6 265.1 263.9 256.3 245.7 5 10 252.9 256.4 256.3 265.2 266.2 267.6 265.7 262.8 262.4 261.3 253.3 241.7 10 15 246.4 250.9 251.5 264.4 268.4 271.6 269.9 266.3 264.8 262.9 255.6 243.6 15 20 243.1 249.0 254.0 269.5 275.1 278.9 277.9 275.9 271.6 268.7 261.2 250.7 20 25 245.5 251.6 262.9 278.6 284.8 288.9 285.6 284.0 277.4 274.4 265.6 259.3 25 30 254.9 262.0 276.1 288.9 296.4 299.7 290.5 287.7 280.0 276.8 269.8 268.3 30 35 271.6 282.6 294.9 301.2 310.9 310.7 295.0 291.9 282.9 277.9 278.9 281.9 35 40 294.1 309.2 319.5 321.4 329.5 323.5 303.2 300.9 289.0 281.9 294.4 305.5 40 45 318.6 333.1 346.7 351.9 350.0 337.9 315.4 312.0 297.7 290.6 310.7 335.9 45 50 340.4 349.9 370.8 382.8 366.8 350.4 327.7 319.4 306.3 302.5 320.8 359.4 50 55 357.6 365.9 389.7 399.3 376.1 355.8 334.4 321.3 311.3 312.7 323.8 364.0 55 60 371.9 389.4 407.0 399.2 379.4 354.0 333.9 319.3 310.4 317.0 321.4 353.0 60 65 386.7 421.0 427.1 397.9 381.7 351.8 330.4 314.8 303.9 313.0 312.7 340.5 65 70 402.2 454.4 448.1 412.1 386.6 355.2 328.5 308.4 295.9 302.2 297.5 335.2 70 75 416.4 483.8 462.8 439.1 393.2 362.4 328.2 300.5 290.7 287.5 282.2 332.2 75 80 428.1 507.1 465.2 458.9 398.7 365.5 325.1 292.6 288.3 270.7 275.9 321.5 80 85 437.0 524.1 457.1 459.1 401.8 361.0 316.9 285.9 285.7 254.1 281.1 302.4 85 90 442.3 533.3 448.4 450.1 402.9 354.7 308.9 281.9 282.7 243.0 289.0 286.9 2003 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 254.5 257.4 252.5 291.5 254.9 273.4 251.8 252.2 171.0 203.0 260.7 279.2 -85 -80 269.1 263.5 258.4 283.7 263.4 276.3 262.5 241.9 164.0 184.6 250.7 283.6 -80 -75 285.4 272.5 267.9 272.4 274.7 280.2 276.9 229.0 155.9 167.5 243.6 288.4 -75 -70 293.2 282.2 278.6 264.3 283.6 283.5 287.7 225.6 158.7 176.2 255.1 291.7 -70 -65 295.8 292.9 288.3 264.9 290.1 287.9 293.3 240.1 184.5 223.1 290.5 297.1 -65 -60 301.2 302.2 293.1 274.0 296.5 295.0 297.1 269.5 234.9 294.0 334.4 306.1 -60 -55 307.8 303.9 290.1 283.6 301.7 302.7 301.7 299.4 292.3 351.1 359.9 312.9 -55 -50 306.1 295.0 280.3 285.1 300.3 305.5 307.3 317.0 331.4 366.9 354.8 309.6 -50 -45 293.5 281.0 270.3 278.3 290.4 300.2 312.1 321.7 343.5 351.4 333.2 297.3 -45 -40 278.9 270.5 266.0 269.8 277.5 290.1 313.6 321.2 339.5 331.6 316.2 286.3 -40 -35 271.3 267.0 266.8 265.2 268.8 280.9 309.3 318.2 330.3 320.2 310.0 283.9 -35 -30 269.8 267.6 267.6 263.7 265.7 275.1 298.5 309.3 318.0 311.7 306.1 285.9 -30 -25 267.2 267.2 264.4 261.4 264.6 271.1 283.9 293.4 302.9 298.9 296.2 283.2 -25 -20 261.0 264.1 258.0 257.2 262.0 267.1 270.7 276.1 287.6 283.5 282.0 273.5 -20 -15 254.8 259.9 252.7 254.0 258.1 262.6 262.8 264.5 276.0 272.2 269.9 263.4 -15 -10 252.5 256.2 251.0 253.5 255.1 258.5 259.9 260.8 270.4 268.0 263.3 259.6 -10 -5 252.1 252.4 251.0 253.4 253.5 256.1 259.0 261.9 269.0 267.4 260.0 260.6 -5 0 249.1 246.6 249.0 251.5 252.7 256.3 257.8 263.4 267.7 264.5 255.8 259.5 0 5 243.3 240.1 245.5 250.2 254.2 259.9 257.4 263.9 265.0 257.6 250.6 252.8 5 10 239.8 238.1 245.4 255.3 260.7 267.6 261.7 266.1 264.4 252.5 247.6 243.9 10 15 242.1 244.3 252.7 267.8 272.3 277.4 271.9 272.9 269.7 255.3 249.5 238.5 15 20 248.5 256.2 266.2 282.6 286.5 286.5 283.7 282.2 277.9 264.1 253.5 239.0 20 25 256.9 269.1 282.2 294.2 299.6 294.1 292.1 289.1 282.1 271.1 255.4 244.5 25 30 270.3 283.9 300.1 303.0 311.0 302.3 296.5 292.4 281.3 273.1 256.1 254.7 30 35 294.3 307.4 322.3 314.6 323.4 313.3 301.2 295.3 281.8 274.8 262.0 270.9 35 40 327.6 341.7 348.6 333.4 338.7 325.9 310.2 301.2 288.1 281.3 277.1 292.1 40 45 357.9 377.2 373.9 357.9 355.4 336.7 323.5 309.8 298.0 291.5 298.0 312.4 45 50 373.4 399.3 391.8 382.8 369.6 344.7 336.2 317.4 304.9 300.8 317.6 325.6 50 55 376.9 402.5 399.8 403.5 380.2 353.0 342.8 320.3 305.2 305.7 330.0 332.4 55 60 381.5 394.0 400.0 416.8 388.2 363.5 340.8 317.7 301.4 305.8 331.5 338.1 60 65 392.9 386.0 397.5 421.9 394.4 372.2 332.4 311.6 299.2 302.1 319.4 344.6 65 70 402.6 385.0 399.6 420.6 397.6 374.4 323.6 306.0 302.1 295.6 295.8 347.5 70 75 399.5 390.7 412.8 417.3 397.8 369.2 318.4 302.3 308.0 288.1 270.6 342.0 75 80 383.7 398.6 439.7 417.1 396.7 360.5 315.8 298.5 310.0 280.5 255.6 331.3 80 85 365.5 404.9 473.1 420.9 396.4 353.5 313.2 292.9 304.3 273.6 253.7 322.1 85 90 354.5 408.2 496.9 424.9 397.2 350.1 310.8 288.0 297.1 269.1 257.7 317.6 2004 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 255.6 249.0 245.4 247.6 346.2 250.5 233.2 243.1 162.9 241.4 251.0 276.1 -85 -80 262.1 258.4 254.3 248.1 331.5 255.4 249.7 248.3 169.1 220.9 240.4 285.4 -80 -75 272.5 269.8 266.0 253.1 309.6 261.4 271.3 251.2 178.6 202.0 234.7 294.1 -75 -70 284.6 277.2 275.3 265.6 291.2 266.3 287.1 249.6 193.8 209.7 249.3 295.8 -70 -65 296.7 281.0 282.5 282.2 283.2 272.2 295.9 251.9 220.9 252.6 284.8 295.2 -65 -60 305.0 283.4 288.0 293.9 284.2 282.4 302.6 266.4 259.7 312.2 321.5 299.6 -60 -55 305.4 283.6 288.6 294.4 287.3 294.7 308.9 290.3 298.6 353.0 336.5 306.6 -55 -50 297.2 280.2 281.2 285.9 286.2 302.0 311.5 310.0 322.8 358.0 327.3 306.8 -50 -45 285.6 275.3 269.9 275.8 281.0 300.1 307.9 315.6 328.2 342.9 311.8 298.4 -45 -40 277.4 272.5 262.9 269.3 275.8 291.2 300.5 310.0 322.1 329.6 304.6 289.7 -40 -35 273.8 271.5 262.9 265.4 272.2 280.5 291.8 299.8 312.2 321.7 303.2 286.7 -35 -30 271.6 268.8 264.2 260.2 267.4 269.2 280.6 286.7 300.7 309.3 297.3 285.5 -30 -25 267.1 262.5 260.6 252.7 259.3 256.8 265.9 270.6 288.1 289.8 284.4 279.2 -25 -20 261.1 255.8 254.1 247.1 250.9 246.6 251.7 255.4 275.9 272.2 271.9 269.5 -20 -15 257.5 253.6 251.8 248.0 248.1 244.2 245.4 247.9 266.1 265.4 267.1 264.4 -15 -10 258.2 256.7 257.0 255.4 253.0 251.0 250.2 251.3 261.6 268.3 269.2 265.7 -10 -5 259.7 260.3 264.3 265.0 261.6 262.0 261.5 261.8 263.8 272.1 271.1 266.1 -5 0 256.0 258.6 265.0 271.0 268.4 268.9 270.3 271.8 269.7 269.8 267.3 259.6 0 5 245.8 251.3 258.0 271.9 272.0 268.7 271.6 276.2 274.8 263.3 259.0 250.1 5 10 234.6 244.0 250.8 271.0 274.8 266.7 269.6 276.4 277.0 260.7 253.4 246.8 10 15 230.4 241.3 250.1 271.7 278.4 270.1 272.0 276.8 277.6 266.6 256.1 252.6 15 20 236.5 243.0 256.1 276.0 282.8 280.0 280.9 279.6 278.3 275.4 264.2 260.4 20 25 249.4 247.7 266.1 284.5 287.4 291.5 291.8 283.7 279.3 278.8 269.7 264.4 25 30 264.5 259.2 281.2 297.3 294.2 299.9 299.9 289.4 281.0 276.6 269.2 268.0 30 35 281.4 282.4 303.9 313.7 306.2 306.4 305.1 296.9 284.5 275.5 267.7 278.5 35 40 303.4 315.8 332.2 331.9 324.0 315.7 309.5 304.1 288.8 279.9 272.5 297.0 40 45 331.9 350.8 359.7 350.7 344.8 330.1 314.9 307.6 292.7 286.8 285.4 314.3 45 50 362.5 380.2 383.5 369.4 364.6 345.6 320.6 307.7 296.9 291.6 301.6 324.1 50 55 388.1 403.0 406.3 386.6 381.2 356.1 324.9 308.1 301.8 294.6 314.4 333.3 55 60 406.6 418.4 426.9 399.1 393.8 358.8 326.8 310.1 304.9 298.2 319.2 350.4 60 65 421.7 422.1 435.8 404.7 401.2 355.5 326.8 309.7 302.5 300.9 316.6 368.5 65 70 436.5 415.7 429.4 405.5 401.8 351.0 327.2 304.5 296.6 299.1 311.2 369.0 70 75 449.6 414.5 422.3 406.8 398.2 349.6 329.0 298.0 294.3 292.1 309.1 343.3 75 80 458.1 436.2 436.8 412.3 396.1 352.2 331.3 295.2 298.7 282.5 313.8 304.2 80 85 461.4 477.7 475.0 420.2 398.2 356.9 331.6 296.8 305.8 273.9 323.0 272.1 85 90 462.0 512.0 509.5 425.8 401.6 360.3 330.5 299.2 310.4 268.7 330.3 256.4 2005 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 261.5 253.9 245.6 240.1 278.8 266.2 283.4 205.8 174.7 193.2 288.4 264.9 -85 -80 265.6 258.5 250.1 236.8 276.6 270.5 272.2 208.1 167.2 182.3 274.5 273.8 -80 -75 271.6 265.8 258.0 237.1 275.4 277.8 259.1 207.6 157.7 173.9 259.5 286.8 -75 -70 278.7 274.5 268.6 247.1 277.8 285.4 255.5 206.0 158.5 186.2 259.8 299.0 -70 -65 287.9 282.5 280.0 264.9 282.3 290.8 265.6 215.6 182.8 228.3 282.3 308.4 -65 -60 297.4 285.5 287.4 280.9 286.5 293.0 283.6 246.0 233.6 289.7 316.2 313.8 -60 -55 300.7 279.7 286.6 286.0 289.5 294.8 300.9 290.5 293.8 340.7 339.2 313.3 -55 -50 294.2 268.5 279.1 281.4 292.6 299.1 313.2 327.7 336.6 359.7 339.6 306.6 -50 -45 282.9 260.3 271.0 275.3 295.5 305.2 320.6 342.7 352.4 353.4 327.0 298.6 -45 -40 275.6 259.9 266.9 273.1 294.3 307.4 321.7 338.5 350.8 341.3 316.7 295.0 -40 -35 274.1 263.9 265.7 272.4 285.7 300.8 312.8 325.1 341.3 331.7 311.6 295.0 -35 -30 272.6 264.8 263.0 267.7 271.8 286.2 294.5 307.5 324.9 320.2 304.3 291.9 -30 -25 266.3 260.5 257.6 258.6 259.3 269.7 274.6 288.1 303.6 303.7 290.7 281.7 -25 -20 258.4 255.2 252.4 250.5 253.3 257.6 261.1 271.8 284.4 287.0 275.7 269.0 -20 -15 255.0 253.2 250.6 248.2 253.2 251.8 256.3 263.7 272.9 275.4 266.3 261.0 -15 -10 257.3 254.4 251.6 250.6 253.6 250.2 256.1 263.4 269.0 269.5 262.8 259.5 -10 -5 259.5 254.4 251.6 252.9 251.0 250.3 256.3 264.3 267.6 265.2 259.6 258.9 -5 0 256.1 250.1 249.0 252.5 247.6 250.9 255.2 260.7 262.9 258.1 252.0 254.4 0 5 249.1 244.7 247.4 252.6 248.4 252.9 255.1 254.6 256.2 249.2 242.2 247.6 5 10 246.2 244.8 251.5 257.2 255.7 258.0 259.7 254.0 254.6 245.3 237.6 243.2 10 15 251.5 252.5 261.2 266.7 267.3 266.2 269.3 263.1 262.1 251.1 242.1 242.8 15 20 261.2 262.4 271.4 278.0 280.1 276.5 280.5 276.2 273.0 262.5 250.9 244.2 20 25 270.1 269.5 280.0 290.3 294.0 287.8 289.7 285.3 279.3 271.3 256.5 247.8 25 30 278.7 277.4 292.4 306.7 310.6 299.5 296.4 289.2 280.6 274.2 258.5 258.8 30 35 293.2 295.3 315.0 328.2 329.0 311.6 302.5 293.2 282.5 274.8 263.9 280.7 35 40 315.5 325.8 345.2 349.1 344.9 323.1 309.4 299.8 287.2 277.6 277.3 308.0 40 45 337.6 358.0 370.8 362.7 354.6 332.7 316.7 306.1 291.7 283.0 294.6 328.7 45 50 347.4 376.4 382.5 370.1 359.5 339.8 323.1 308.9 294.5 289.4 309.7 336.4 50 55 342.7 375.6 383.8 379.5 365.8 344.3 327.1 309.4 297.8 295.6 323.2 338.5 55 60 332.5 361.5 384.6 394.6 376.0 346.5 327.6 308.5 302.4 299.0 340.5 343.5 60 65 325.9 342.3 387.5 409.0 386.5 346.8 325.5 303.6 303.7 294.9 359.4 348.5 65 70 323.2 322.9 389.1 416.1 391.8 346.3 322.8 292.6 298.9 281.4 365.9 343.5 70 75 320.0 306.1 389.1 418.6 391.8 347.1 320.2 279.7 291.9 262.5 345.9 328.5 75 80 315.3 295.2 392.5 425.5 391.7 349.7 315.5 271.2 287.9 245.0 299.0 316.1 80 85 311.3 291.5 401.6 439.4 394.9 353.2 307.9 269.2 287.8 233.2 242.0 316.0 85 90 309.4 291.5 410.5 451.4 398.4 355.4 301.4 270.3 288.7 227.4 202.7 322.0 2006 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 265.3 267.6 255.6 247.9 268.3 241.0 296.1 221.2 163.7 182.9 213.4 290.7 -85 -80 271.1 272.4 266.2 260.4 279.9 247.5 299.3 216.3 153.9 157.1 191.8 281.0 -80 -75 278.8 276.4 281.3 275.3 292.8 256.2 301.3 210.8 146.7 136.6 177.9 270.9 -75 -70 285.3 277.0 293.8 283.6 297.5 263.6 298.9 213.0 157.5 152.9 198.4 271.1 -70 -65 290.9 277.2 299.8 285.4 294.2 270.7 294.0 229.6 194.6 212.0 252.1 284.7 -65 -60 296.2 278.6 298.6 286.3 289.2 280.0 291.2 257.7 250.0 286.4 309.5 303.7 -60 -55 300.2 277.3 291.9 288.0 286.1 290.0 292.4 284.8 299.7 335.6 339.8 314.7 -55 -50 299.8 269.9 283.0 286.5 282.3 295.2 295.6 298.9 325.0 346.5 340.3 311.7 -50 -45 294.1 260.4 275.2 279.0 276.1 292.5 297.6 300.4 329.1 339.0 330.7 300.5 -45 -40 285.4 257.0 270.3 270.0 270.1 284.9 296.0 298.2 325.8 331.5 323.2 290.0 -40 -35 277.1 261.6 267.4 265.0 267.5 276.8 289.6 296.3 319.6 322.4 314.2 283.8 -35 -30 270.8 267.0 264.1 263.0 265.5 268.5 277.5 290.5 307.5 304.8 298.9 278.0 -30 -25 266.8 265.7 259.7 259.2 259.7 258.3 262.2 277.8 290.0 283.0 282.3 269.0 -25 -20 263.9 258.7 255.5 252.2 250.9 248.0 249.7 262.9 274.2 267.2 272.7 259.0 -20 -15 260.5 253.2 253.4 246.7 245.1 242.5 245.5 254.2 266.2 261.0 270.1 252.6 -15 -10 256.4 253.9 254.2 247.4 246.9 244.9 250.5 256.1 266.7 260.8 268.5 251.2 -10 -5 252.3 256.9 256.3 252.9 253.9 253.2 260.7 265.9 272.4 262.3 265.0 252.0 -5 0 249.1 254.3 257.4 257.3 260.9 262.4 270.0 275.8 278.4 264.5 261.4 251.9 0 5 246.4 245.6 256.7 258.0 265.8 268.9 275.0 279.9 281.2 267.2 260.6 251.6 5 10 243.7 238.6 256.7 258.4 270.5 273.4 277.7 279.4 281.3 269.8 261.9 253.1 10 15 241.9 240.0 259.2 263.1 277.5 278.1 282.1 280.2 280.9 271.5 263.1 255.8 15 20 243.2 247.2 264.2 273.1 286.6 284.1 289.1 284.9 281.5 272.4 264.3 257.8 20 25 249.7 253.4 271.7 286.7 296.6 291.8 296.1 290.8 283.2 273.6 267.0 259.1 25 30 262.6 259.7 284.7 303.1 308.4 302.5 301.1 294.6 287.2 276.5 273.2 264.3 30 35 281.3 276.4 307.1 321.9 323.4 316.6 304.8 297.2 293.8 281.5 283.4 278.0 35 40 303.1 310.5 337.0 340.9 339.9 331.0 309.4 302.4 298.9 286.3 294.6 298.3 40 45 324.1 354.6 366.0 356.8 353.9 340.8 315.9 311.7 299.3 289.2 303.9 315.2 45 50 340.7 391.0 387.6 369.3 363.9 344.6 323.3 322.5 298.3 292.7 312.0 320.1 50 55 350.3 410.6 403.6 382.7 373.6 346.6 329.1 328.4 301.0 298.9 321.4 314.2 55 60 350.7 421.3 421.0 400.0 385.5 350.9 330.7 324.1 305.8 304.5 331.8 306.4 60 65 342.5 435.2 440.6 417.3 395.0 356.0 327.9 310.9 304.4 303.2 340.4 302.1 65 70 332.5 452.9 450.4 427.5 395.6 358.8 323.7 296.8 293.1 293.5 346.7 300.0 70 75 333.6 463.7 434.8 427.4 388.0 360.3 321.3 289.8 278.8 282.3 355.1 298.2 75 80 354.9 458.0 389.8 420.0 380.8 364.1 320.1 290.3 269.9 276.8 369.8 298.9 80 85 389.6 439.7 331.7 411.4 380.4 371.2 317.9 293.7 267.7 277.7 388.7 303.9 85 90 416.7 423.8 290.5 406.2 383.6 377.2 315.6 295.9 268.3 280.0 402.4 309.4 2007 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 260.0 251.9 233.0 249.8 226.9 241.0 310.7 255.8 200.1 227.3 164.4 251.3 -85 -80 269.0 263.8 248.6 252.4 238.7 260.1 301.6 240.0 184.3 202.2 175.7 246.9 -80 -75 278.1 276.6 267.8 256.7 258.0 287.5 289.4 217.9 168.3 177.2 196.4 247.1 -75 -70 280.9 280.9 278.3 262.0 277.2 308.6 281.7 205.1 170.9 179.7 226.2 260.4 -70 -65 280.2 278.3 277.8 268.5 289.8 314.7 282.4 215.4 202.6 220.4 264.4 285.3 -65 -60 281.9 276.0 272.7 275.7 293.4 308.9 290.2 251.3 256.9 285.3 304.0 309.3 -60 -55 284.9 276.3 269.1 280.8 290.4 300.5 301.9 298.5 310.8 341.5 332.0 319.5 -55 -50 283.2 275.8 267.5 281.1 286.2 297.2 315.2 335.0 342.1 365.5 341.5 314.4 -50 -45 275.2 271.9 266.0 276.4 283.7 299.5 327.2 349.3 348.4 362.4 337.8 303.0 -45 -40 267.1 267.3 264.4 269.8 281.4 302.0 332.2 344.6 340.7 349.0 330.5 294.4 -40 -35 264.5 264.3 262.8 263.9 276.0 298.3 324.5 330.0 328.4 334.2 322.5 290.6 -35 -30 265.4 262.1 259.9 259.2 266.4 287.3 306.0 312.0 315.3 319.8 312.2 287.8 -30 -25 264.1 257.8 254.9 254.8 255.9 273.4 285.5 294.4 303.3 306.8 299.8 283.2 -25 -20 258.3 251.8 249.9 251.0 249.6 262.1 271.2 279.9 293.0 296.1 288.4 277.9 -20 -15 251.5 247.5 248.0 249.5 249.1 255.9 264.1 270.1 283.1 285.8 279.7 274.3 -15 -10 247.7 248.6 250.0 250.5 251.6 253.4 260.3 264.6 273.0 274.8 272.2 272.0 -10 -5 247.2 253.7 252.8 252.4 252.8 252.0 257.2 261.8 264.7 265.0 264.7 268.4 -5 0 247.0 256.8 253.0 254.0 252.6 251.1 255.4 260.2 260.4 258.8 257.2 262.0 0 5 246.7 255.1 251.3 256.4 254.6 252.8 257.3 259.7 260.3 256.4 251.6 254.9 5 10 248.1 252.6 251.9 262.8 261.5 259.4 263.4 261.7 264.0 257.7 250.7 250.0 10 15 251.8 254.9 257.3 272.8 272.0 270.1 272.0 267.9 270.8 262.4 254.7 248.3 15 20 256.2 262.8 265.6 284.1 283.4 281.7 280.3 277.0 278.3 268.7 259.7 249.0 20 25 260.6 273.4 274.9 295.5 295.3 292.0 287.5 285.7 283.3 272.9 261.8 251.9 25 30 268.7 286.7 288.2 309.6 309.7 301.9 294.8 292.0 284.7 273.0 262.3 259.8 30 35 286.8 306.0 310.5 328.7 326.9 312.9 303.0 295.9 284.2 272.0 266.4 276.5 35 40 315.2 332.6 341.4 350.2 342.3 323.7 310.6 297.8 284.7 274.7 276.4 300.6 40 45 344.4 361.9 374.0 368.0 351.3 332.2 316.8 300.2 288.6 282.7 289.9 324.1 45 50 363.6 387.0 400.9 378.1 355.8 338.0 322.3 305.5 297.1 292.6 304.0 337.5 50 55 372.5 403.6 418.8 382.2 362.7 343.5 327.3 313.3 308.2 297.7 318.5 338.3 55 60 379.0 409.6 426.6 384.7 375.6 349.4 329.2 318.0 315.8 294.4 334.0 332.6 60 65 386.5 407.2 422.6 387.1 389.1 352.7 325.2 314.0 315.3 285.2 347.2 328.3 65 70 389.3 405.7 411.9 389.7 394.4 351.1 317.9 303.0 308.5 276.2 353.3 327.6 70 75 381.6 420.3 410.3 393.4 391.0 348.0 312.6 292.8 301.0 270.2 352.3 328.3 75 80 365.2 460.1 433.7 399.2 386.1 349.0 312.3 289.9 294.6 264.6 349.2 329.5 80 85 348.5 513.7 477.5 406.5 386.1 355.1 314.9 293.1 288.1 257.0 347.7 331.5 85 90 338.8 552.5 513.6 411.7 388.7 361.0 316.8 296.9 283.0 250.5 347.8 333.2 2008 Dobson+Brewer+Filter Zonal Means Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -90 -85 258.8 250.5 250.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -85 -80 266.6 258.9 256.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -80 -75 276.3 269.8 265.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -75 -70 282.3 277.5 272.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -70 -65 284.0 280.5 277.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -65 -60 284.2 278.9 276.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -60 -55 284.3 272.8 270.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -55 -50 282.8 264.1 262.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -50 -45 279.1 257.6 256.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -45 -40 274.2 257.3 256.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -40 -35 270.0 261.9 260.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -35 -30 267.0 265.9 264.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -30 -25 264.9 266.2 264.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -25 -20 263.3 264.5 258.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -20 -15 262.2 263.9 251.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -15 -10 261.6 265.8 246.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -10 -5 260.8 267.9 247.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -5 0 259.1 266.3 251.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 5 255.8 260.4 253.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5 10 251.8 254.3 255.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10 15 249.7 251.7 258.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15 20 251.1 252.3 265.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 20 25 256.5 256.5 276.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 25 30 266.4 268.2 293.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 30 35 282.0 291.4 315.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 35 40 302.5 321.2 338.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 40 45 323.6 344.1 359.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 45 50 339.0 351.9 382.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 50 55 345.8 350.9 408.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 55 60 346.7 352.1 436.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 60 65 347.2 358.5 455.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 65 70 349.2 365.2 461.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 70 75 351.4 367.5 461.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 75 80 351.8 367.3 466.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 80 85 350.5 368.1 482.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 85 90 349.2 369.5 496.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0