Summary of Dobson ozone measurements for December, 2000 Measurements made at Nairobi with instrument # 18 Latitude = -1.271 Longitude = 36.803 Altitude = 1710 Pressure = 832.7 Absorption coefficients : B.P. 1992 Scale Type Day Time(ST) RA RC RC' RD NA NC NC' ND Mu M XAD XCD XCC' XC Weather DS 00 1 14:14:35 121.5 85.0 0.0 70.3 66.0 37.4 0.0 24.4 1.208 1.209 234.2 225.5 0.0 264.9 4 10.0km DS 00 1 14:15:35 121.9 85.4 0.0 70.4 66.3 37.8 0.0 24.5 1.211 1.212 235.2 230.4 0.0 268.1 4 10.0km DS 00 3 14:16:31 121.9 85.0 0.0 70.4 66.3 37.4 0.0 24.5 1.213 1.215 234.7 222.6 0.0 263.2 4 10.0km DS 00 3 14:18:26 122.4 85.4 0.0 70.5 66.8 37.8 0.0 24.6 1.219 1.221 235.8 227.0 0.0 265.6 4 10.0km DS 00 3 15:37:30 144.0 96.1 0.0 77.2 87.9 48.5 0.0 31.7 1.604 1.611 238.4 220.9 0.0 257.1 4 10.0km DS 00 4 16:54:00 202.9 129.5 0.0 96.4 147.4 80.8 0.0 51.1 2.713 2.764 240.8 230.4 0.0 251.6 4 10.0km DS 00 5 10:01:15 127.8 88.4 0.0 71.9 72.1 40.9 0.0 26.1 1.312 1.315 239.2 235.9 0.0 264.9 5 10.0km DS 00 5 14:22:00 124.5 86.7 0.0 71.5 68.9 39.1 0.0 25.7 1.229 1.231 239.4 229.9 0.0 275.5 3 10.0km DS 00 5 14:24:30 124.6 86.5 0.0 71.5 69.0 38.9 0.0 25.7 1.237 1.238 238.4 224.9 0.0 271.2 3 10.0km DS 00 5 16:17:40 168.2 108.7 0.0 84.0 112.0 60.7 0.0 38.7 2.012 2.030 247.8 229.9 0.0 256.0 2 10.0km DS 00 5 16:19:40 170.0 109.7 0.0 84.6 113.8 61.6 0.0 39.3 2.040 2.058 248.4 230.2 0.0 256.7 2 10.0km DS 00 6 16:40:00 188.3 120.7 0.0 91.0 132.5 72.2 0.0 45.8 2.375 2.408 248.2 234.0 0.0 258.9 3 10.0km DS 00 6 16:43:45 191.2 122.4 0.0 92.2 135.5 73.9 0.0 47.0 2.453 2.489 245.2 230.7 0.0 255.5 3 10.0km DS 00 6 17:20:10 257.0 159.5 0.0 113.7 201.0 110.2 0.0 67.9 3.628 3.762 248.6 246.8 0.0 258.1 3 10.0km DS 00 7 10:28:15 122.3 86.3 0.0 71.1 66.7 38.7 0.0 25.3 1.225 1.226 231.0 230.4 0.0 271.0 3 10.0km DS 00 7 10:31:20 122.2 86.1 0.0 71.1 66.6 38.5 0.0 25.3 1.216 1.217 232.2 228.5 0.0 271.8 3 10.0km DS 00 7 15:22:20 139.3 94.0 0.0 75.7 83.2 46.5 0.0 30.1 1.492 1.498 242.4 230.6 0.0 267.4 4 10.0km DS 00 7 16:05:45 159.4 104.5 0.0 83.1 103.2 56.7 0.0 37.8 1.857 1.870 239.6 213.6 0.0 260.3 3 10.0km DS 00 8 14:55:30 130.4 89.5 0.0 72.6 74.6 42.0 0.0 26.8 1.350 1.353 240.9 236.1 0.0 266.9 2 10.0km DS 00 8 14:57:20 130.8 89.8 0.0 73.0 75.0 42.3 0.0 27.3 1.358 1.361 239.2 232.8 0.0 267.3 2 10.0km DS 00 8 16:18:10 171.8 111.0 0.0 85.4 115.6 62.9 0.0 40.1 2.006 2.024 256.3 238.9 0.0 270.3 2 10.0km DS 00 11 15:26:00 137.7 93.4 0.0 75.5 81.7 45.9 0.0 29.9 1.508 1.514 233.6 222.5 0.0 258.7 3 10.0km DS 00 11 15:27:45 138.3 93.8 0.0 75.7 82.3 46.3 0.0 30.1 1.519 1.525 233.5 223.5 0.0 259.1 3 10.0km DS 00 12 15:08:20 131.8 90.3 0.0 73.4 75.9 42.8 0.0 27.7 1.406 1.410 233.6 225.9 0.0 259.0 3 10.0km DS 00 12 15:10:30 132.3 90.6 0.0 73.5 76.4 43.1 0.0 27.8 1.417 1.421 233.6 227.0 0.0 258.6 3 10.0km DS 00 12 16:20:45 166.7 108.3 0.0 84.2 110.5 60.3 0.0 38.9 2.022 2.040 240.8 222.4 0.0 251.9 3 10.0km DS 00 12 16:23:45 168.4 109.3 0.0 84.7 112.2 61.2 0.0 39.4 2.064 2.083 239.7 222.3 0.0 250.2 3 10.0km DS 00 13 16:18:40 162.8 106.3 0.0 83.2 106.6 58.4 0.0 37.9 1.988 2.005 234.8 216.6 0.0 246.4 3 10.0km DS 00 13 17:20:45 164.4 107.2 0.0 83.5 108.2 59.2 0.0 38.2 3.524 3.647 131.9 121.8 0.0 93.2 3 10.0km DS 00 14 14:23:45 122.8 85.8 0.0 70.9 67.2 38.2 0.0 25.0 1.229 1.231 233.5 224.7 0.0 266.4 3 10.0km DS 00 14 14:25:50 123.1 86.0 0.0 71.0 67.5 38.4 0.0 25.1 1.235 1.237 233.4 225.3 0.0 266.5 3 10.0km DS 00 14 15:26:25 138.9 94.0 0.0 76.0 82.8 46.5 0.0 30.4 1.504 1.510 237.1 224.1 0.0 264.4 3 10.0km DS 00 14 15:28:15 139.5 94.3 0.0 76.3 83.4 46.8 0.0 30.7 1.516 1.522 236.5 222.1 0.0 263.9 3 10.0km DS 00 14 16:12:00 164.7 107.1 0.0 83.6 108.5 59.1 0.0 38.3 1.900 1.915 251.5 231.0 0.0 267.6 3 10.0km DS 00 15 15:13:05 132.6 91.0 0.0 74.1 76.7 43.5 0.0 28.4 1.425 1.429 230.6 222.1 0.0 259.9 4 10.0km DS 00 15 15:14:40 132.8 91.2 0.0 74.0 76.9 43.7 0.0 28.3 1.433 1.438 230.6 225.3 0.0 259.4 4 10.0km DS 00 15 16:51:10 190.3 122.4 0.0 92.6 134.6 73.9 0.0 47.4 2.540 2.581 232.9 219.0 0.0 242.9 3 10.0km DS 00 15 16:53:30 192.5 123.7 0.0 93.4 136.9 75.1 0.0 48.2 2.595 2.639 231.7 218.3 0.0 241.5 3 10.0km DS 00 19 10:31:20 122.0 85.6 0.0 70.6 66.4 38.0 0.0 24.7 1.238 1.240 229.8 224.5 0.0 260.0 4 10.0km DS 00 19 10:33:20 121.9 85.8 0.0 70.8 66.3 38.2 0.0 24.9 1.232 1.234 229.2 225.5 0.0 263.8 4 10.0km DS 00 19 10:59:20 119.3 83.9 0.0 70.5 63.8 36.3 0.0 24.6 1.167 1.169 228.9 208.3 0.0 264.8 4 10.0km DS 00 19 15:02:10 128.7 89.1 0.0 72.6 72.9 41.6 0.0 26.8 1.363 1.367 230.0 227.2 0.0 259.6 6 10.0km DS 00 19 15:08:15 129.2 89.3 0.0 72.6 73.4 41.8 0.0 26.8 1.392 1.396 227.6 225.5 0.0 253.8 4 10.0km DS 00 20 15:35:00 140.0 94.8 0.0 75.9 83.9 47.3 0.0 30.3 1.544 1.550 236.2 230.8 0.0 261.0 4 10.0km DS 00 20 15:36:00 141.0 95.2 0.0 76.1 84.9 47.6 0.0 30.5 1.551 1.557 238.6 232.4 0.0 262.5 4 10.0km DS 00 21 15:11:40 131.2 90.3 0.0 73.4 75.4 42.8 0.0 27.7 1.404 1.408 231.0 226.1 0.0 259.3 6 10.0km DS 00 22 16:38:15 173.8 112.4 0.0 86.1 117.7 64.2 0.0 40.8 2.222 2.247 234.8 221.1 0.0 240.8 6 10.0km DS 00 22 16:40:35 175.3 113.1 0.0 86.7 119.2 64.9 0.0 41.4 2.262 2.290 233.3 217.6 0.0 238.2 6 10.0km DS 00 25 08:54:45 156.8 103.1 0.0 80.9 100.6 55.3 0.0 35.5 1.830 1.842 243.3 226.4 0.0 252.7 0 10.0km DS 00 25 08:56:50 155.5 102.5 0.0 80.6 99.3 54.8 0.0 35.2 1.808 1.820 242.5 226.1 0.0 253.4 0 10.0km DS 00 25 10:11:30 127.3 88.2 0.0 72.4 71.6 40.7 0.0 26.6 1.316 1.319 233.1 223.1 0.0 262.0 1 10.0km DS 00 25 10:46:00 122.0 85.1 0.0 70.7 66.4 37.5 0.0 24.8 1.205 1.206 235.7 219.9 0.0 265.2 1 10.0km DS 00 26 10:18:30 124.0 86.7 0.0 71.0 68.4 39.1 0.0 25.1 1.291 1.294 228.4 226.7 0.0 255.1 1 10.0km DS 00 26 10:47:00 119.6 84.3 0.0 70.0 64.1 36.7 0.0 24.1 1.203 1.205 226.7 218.7 0.0 257.6 1 10.0km DS 00 27 08:21:00 177.2 114.7 0.0 87.5 121.1 66.4 0.0 42.2 2.324 2.354 232.2 216.5 0.0 231.3 0 10.0km DS 00 27 09:15:25 144.0 96.4 0.0 77.3 87.9 48.8 0.0 31.8 1.645 1.653 233.0 216.6 0.0 246.7 0 10.0km DS 00 27 10:04:30 127.4 88.6 0.0 72.9 71.7 41.1 0.0 27.1 1.349 1.352 225.2 215.6 0.0 256.6 3 10.0km DS 00 28 09:30:30 135.4 92.6 0.0 75.1 79.4 45.1 0.0 29.5 1.536 1.542 222.0 212.1 0.0 242.8 5 10.0km DS 00 28 09:31:10 134.7 92.3 0.0 75.0 78.8 44.8 0.0 29.4 1.532 1.538 220.0 210.0 0.0 241.5 5 10.0km DS 00 28 10:50:30 118.7 84.0 0.0 70.0 63.2 36.4 0.0 24.1 1.196 1.197 223.0 214.5 0.0 256.8 4 10.0km DS 00 29 14:14:00 118.7 83.9 0.0 69.7 63.2 36.3 0.0 23.8 1.185 1.186 226.6 221.2 0.0 260.6 5 10.0km DS 00 29 15:05:00 128.1 88.9 0.0 72.6 72.4 41.4 0.0 26.8 1.353 1.356 228.9 225.7 0.0 260.6 5 10.0km DS 00 29 16:20:30 159.3 105.0 0.0 82.5 103.1 57.1 0.0 37.1 1.916 1.931 233.8 219.1 0.0 251.9 6 10.0km