De Backer H. DOBSON UCCLE TOTALCOL 01-MAY-1989 00:00:0031-MAY-1989 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1989 05 01 2002 05 21 0 Day of year 2 1.000 1.0E+18 9.999 99.999 O3 Air Mass Factor O3 Vertical Column Density (molecules/cm**2) 9 1 1 1 1 1 1.0 1.0 1 1.0 9999 99 99 99 99 999.9 999.9 9999 99.999 Year of observation (UT) Month of observation (UT) Day of observation (UT) Hour of observation (UT) Minute of observation (UT) Latitude observation point (degrees) Longitude observation point (degrees) Elevation of station above MSL (m) Solar zenith angle at time of observation (degrees) 1 1 1.332 1989 05 01 07 57 50.80 -4.35 100 56.769 1.811 9.886 1.334 1989 05 01 08 00 50.80 -4.35 100 56.341 1.791 9.886 1.384 1989 05 01 09 13 50.80 -4.35 100 46.171 1.439 9.913 1.386 1989 05 01 09 16 50.80 -4.35 100 45.834 1.430 9.913 2.338 1989 05 02 08 06 50.80 -4.35 100 55.274 1.743 8.879 2.395 1989 05 02 09 28 50.80 -4.35 100 44.103 1.388 8.879 2.465 1989 05 02 11 08 50.80 -4.35 100 35.889 1.232 8.879 2.549 1989 05 02 13 10 50.80 -4.35 100 39.764 1.298 8.704 3.348 1989 05 03 08 21 50.80 -4.35 100 52.820 1.645 8.677 3.349 1989 05 03 08 22 50.80 -4.35 100 52.605 1.637 8.596 3.465 1989 05 03 11 10 50.80 -4.35 100 35.552 1.227 8.623 3.468 1989 05 03 11 13 50.80 -4.35 100 35.451 1.225 8.704 3.504 1989 05 03 12 06 50.80 -4.35 100 35.460 1.226 8.650 3.507 1989 05 03 12 09 50.80 -4.35 100 35.572 1.227 8.704 3.556 1989 05 03 13 20 50.80 -4.35 100 40.525 1.312 8.677 3.559 1989 05 03 13 24 50.80 -4.35 100 40.890 1.319 8.704 4.331 1989 05 04 07 56 50.80 -4.35 100 56.310 1.789 8.650 4.333 1989 05 04 07 59 50.80 -4.35 100 55.819 1.767 8.731 4.365 1989 05 04 08 45 50.80 -4.35 100 49.065 1.519 8.650 4.367 1989 05 04 08 48 50.80 -4.35 100 48.645 1.507 8.758 5.335 1989 05 05 08 02 50.80 -4.35 100 55.151 1.738 8.623 5.337 1989 05 05 08 05 50.80 -4.35 100 54.636 1.716 8.704 5.402 1989 05 05 09 39 50.80 -4.35 100 42.049 1.343 8.758 5.404 1989 05 05 09 41 50.80 -4.35 100 41.759 1.337 8.838 5.493 1989 05 05 11 50 50.80 -4.35 100 34.547 1.212 8.489 5.498 1989 05 05 11 56 50.80 -4.35 100 34.656 1.214 8.596 6.330 1989 05 06 07 55 50.80 -4.35 100 55.923 1.772 8.827 6.373 1989 05 06 08 56 50.80 -4.35 100 47.092 1.463 9.002 7.331 1989 05 07 07 57 50.80 -4.35 100 55.449 1.751 9.373 7.357 1989 05 07 08 34 50.80 -4.35 100 49.939 1.546 9.324 7.375 1989 05 07 09 00 50.80 -4.35 100 46.333 1.443 9.075 8.345 1989 05 08 08 17 50.80 -4.35 100 52.185 1.622 9.026 8.347 1989 05 08 08 20 50.80 -4.35 100 51.756 1.607 9.080 8.401 1989 05 08 09 37 50.80 -4.35 100 41.422 1.330 9.107 8.403 1989 05 08 09 40 50.80 -4.35 100 41.108 1.324 9.134 8.464 1989 05 08 11 08 50.80 -4.35 100 34.198 1.207 9.107 8.466 1989 05 08 11 11 50.80 -4.35 100 34.089 1.206 9.161 8.504 1989 05 08 12 05 50.80 -4.35 100 34.047 1.205 9.161 8.506 1989 05 08 12 08 50.80 -4.35 100 34.139 1.206 9.214 8.548 1989 05 08 13 09 50.80 -4.35 100 38.180 1.269 9.187 8.551 1989 05 08 13 12 50.80 -4.35 100 38.478 1.275 9.241 9.340 1989 05 09 08 10 50.80 -4.35 100 53.041 1.653 9.617 9.342 1989 05 09 08 11 50.80 -4.35 100 52.790 1.644 9.590 9.382 1989 05 09 09 10 50.80 -4.35 100 44.528 1.398 9.617 9.385 1989 05 09 09 14 50.80 -4.35 100 44.102 1.388 9.752 9.470 1989 05 09 11 16 50.80 -4.35 100 33.677 1.200 9.725 9.471 1989 05 09 11 18 50.80 -4.35 100 33.624 1.199 9.698 9.553 1989 05 09 13 16 50.80 -4.35 100 38.626 1.277 9.886 9.555 1989 05 09 13 19 50.80 -4.35 100 38.907 1.282 9.966 10.340 1989 05 10 08 09 50.80 -4.35 100 52.948 1.650 9.770 10.381 1989 05 10 09 08 50.80 -4.35 100 44.580 1.399 9.695 10.456 1989 05 10 10 56 50.80 -4.35 100 34.162 1.207 9.572 10.545 1989 05 10 13 05 50.80 -4.35 100 37.318 1.255 10.146 11.393 1989 05 11 09 26 50.80 -4.35 100 42.070 1.343 10.899 11.478 1989 05 11 11 28 50.80 -4.35 100 32.921 1.190 9.722 12.378 1989 05 12 09 03 50.80 -4.35 100 44.758 1.404 10.120 12.475 1989 05 12 11 24 50.80 -4.35 100 32.732 1.187 10.246 12.550 1989 05 12 13 11 50.80 -4.35 100 37.432 1.257 10.294 13.328 1989 05 13 07 51 50.80 -4.35 100 55.035 1.733 10.369 13.365 1989 05 13 08 45 50.80 -4.35 100 47.071 1.463 10.294 14.327 1989 05 14 07 50 50.80 -4.35 100 55.053 1.734 10.071 14.369 1989 05 14 08 52 50.80 -4.35 100 45.971 1.434 9.695 15.330 1989 05 15 07 54 50.80 -4.35 100 54.175 1.697 8.919 15.332 1989 05 15 07 58 50.80 -4.35 100 53.648 1.677 9.026 15.375 1989 05 15 08 59 50.80 -4.35 100 44.724 1.403 8.973 15.376 1989 05 15 09 01 50.80 -4.35 100 44.439 1.396 9.134 16.332 1989 05 16 07 58 50.80 -4.35 100 53.447 1.669 9.187 16.333 1989 05 16 08 00 50.80 -4.35 100 53.218 1.660 9.107 16.386 1989 05 16 09 15 50.80 -4.35 100 42.409 1.351 9.241 16.387 1989 05 16 09 17 50.80 -4.35 100 42.196 1.346 9.161 16.459 1989 05 16 11 01 50.80 -4.35 100 32.497 1.184 9.134 16.461 1989 05 16 11 03 50.80 -4.35 100 32.412 1.183 9.107 16.528 1989 05 16 12 40 50.80 -4.35 100 33.927 1.203 9.322 16.530 1989 05 16 12 43 50.80 -4.35 100 34.084 1.206 9.322 17.337 1989 05 17 08 04 50.80 -4.35 100 52.293 1.626 9.424 17.468 1989 05 17 11 13 50.80 -4.35 100 31.811 1.175 9.429 17.470 1989 05 17 11 16 50.80 -4.35 100 31.729 1.174 9.375 17.496 1989 05 17 11 54 50.80 -4.35 100 31.564 1.172 9.886 17.545 1989 05 17 13 05 50.80 -4.35 100 35.727 1.230 9.572 18.339 1989 05 18 08 08 50.80 -4.35 100 51.553 1.600 9.698 18.341 1989 05 18 08 10 50.80 -4.35 100 51.261 1.590 9.537 18.465 1989 05 18 11 09 50.80 -4.35 100 31.753 1.174 9.617 18.467 1989 05 18 11 11 50.80 -4.35 100 31.652 1.173 9.671 18.499 1989 05 18 11 58 50.80 -4.35 100 31.429 1.170 9.590 18.501 1989 05 18 12 01 50.80 -4.35 100 31.505 1.171 9.617 18.550 1989 05 18 13 11 50.80 -4.35 100 36.177 1.237 9.671 18.552 1989 05 18 13 14 50.80 -4.35 100 36.441 1.241 9.778 19.409 1989 05 19 09 48 50.80 -4.35 100 37.896 1.265 9.402 19.410 1989 05 19 09 50 50.80 -4.35 100 37.593 1.260 9.644 19.446 1989 05 19 10 42 50.80 -4.35 100 32.938 1.190 10.146 19.498 1989 05 19 11 56 50.80 -4.35 100 31.169 1.167 9.725 19.499 1989 05 19 11 58 50.80 -4.35 100 31.217 1.168 9.671 19.526 1989 05 19 12 37 50.80 -4.35 100 33.025 1.191 9.993 20.298 1989 05 20 07 09 50.80 -4.35 100 60.459 2.007 9.886 20.299 1989 05 20 07 11 50.80 -4.35 100 60.178 1.990 9.725 20.370 1989 05 20 08 52 50.80 -4.35 100 44.896 1.407 9.778 20.371 1989 05 20 08 54 50.80 -4.35 100 44.529 1.398 9.617 21.326 1989 05 21 07 49 50.80 -4.35 100 54.017 1.691 9.671 21.327 1989 05 21 07 51 50.80 -4.35 100 53.757 1.681 9.456 21.369 1989 05 21 08 51 50.80 -4.35 100 44.815 1.405 9.725 21.370 1989 05 21 08 53 50.80 -4.35 100 44.549 1.399 9.537 22.349 1989 05 22 08 22 50.80 -4.35 100 48.899 1.514 9.698 22.351 1989 05 22 08 25 50.80 -4.35 100 48.456 1.501 9.859 22.394 1989 05 22 09 27 50.80 -4.35 100 39.893 1.300 9.510 22.396 1989 05 22 09 29 50.80 -4.35 100 39.599 1.295 9.537 22.465 1989 05 22 11 09 50.80 -4.35 100 30.924 1.164 9.537 22.467 1989 05 22 11 12 50.80 -4.35 100 30.833 1.163 9.564 22.550 1989 05 22 13 12 50.80 -4.35 100 35.420 1.225 9.698 22.552 1989 05 22 13 15 50.80 -4.35 100 35.748 1.230 9.805 23.373 1989 05 23 08 56 50.80 -4.35 100 43.789 1.381 9.107 23.375 1989 05 23 08 59 50.80 -4.35 100 43.449 1.373 9.134 23.463 1989 05 23 11 06 50.80 -4.35 100 30.846 1.163 9.241 23.465 1989 05 23 11 09 50.80 -4.35 100 30.748 1.162 9.241 23.508 1989 05 23 12 11 50.80 -4.35 100 30.815 1.163 9.268 23.509 1989 05 23 12 13 50.80 -4.35 100 30.912 1.164 9.268 23.534 1989 05 23 12 48 50.80 -4.35 100 33.128 1.192 9.295 23.536 1989 05 23 12 51 50.80 -4.35 100 33.361 1.196 9.349 24.350 1989 05 24 08 23 50.80 -4.35 100 48.409 1.500 9.644 24.352 1989 05 24 08 26 50.80 -4.35 100 48.001 1.488 9.778 24.393 1989 05 24 09 26 50.80 -4.35 100 39.676 1.296 9.698 24.395 1989 05 24 09 29 50.80 -4.35 100 39.338 1.290 9.859 24.468 1989 05 24 11 13 50.80 -4.35 100 30.409 1.158 9.778 24.470 1989 05 24 11 16 50.80 -4.35 100 30.318 1.157 9.913 24.533 1989 05 24 12 46 50.80 -4.35 100 32.787 1.188 9.886 24.535 1989 05 24 12 49 50.80 -4.35 100 33.012 1.191 9.966 25.322 1989 05 25 07 43 50.80 -4.35 100 54.401 1.707 9.617 25.323 1989 05 25 07 45 50.80 -4.35 100 54.105 1.695 9.537 25.397 1989 05 25 09 31 50.80 -4.35 100 38.953 1.283 9.671 25.399 1989 05 25 09 33 50.80 -4.35 100 38.626 1.277 9.832 25.467 1989 05 25 11 13 50.80 -4.35 100 30.255 1.156 9.698 25.469 1989 05 25 11 15 50.80 -4.35 100 30.177 1.155 9.752 25.535 1989 05 25 12 49 50.80 -4.35 100 32.829 1.188 9.805 25.536 1989 05 25 12 52 50.80 -4.35 100 33.028 1.191 9.805 26.353 1989 05 26 08 28 50.80 -4.35 100 47.547 1.476 10.646 26.406 1989 05 26 09 44 50.80 -4.35 100 37.231 1.254 10.622 26.473 1989 05 26 11 21 50.80 -4.35 100 29.840 1.152 10.369 26.551 1989 05 26 13 13 50.80 -4.35 100 34.901 1.217 10.044 27.341 1989 05 27 08 11 50.80 -4.35 100 49.991 1.548 9.870 27.392 1989 05 27 09 24 50.80 -4.35 100 39.567 1.294 9.940 27.394 1989 05 27 09 27 50.80 -4.35 100 39.185 1.287 10.047 28.337 1989 05 28 08 05 50.80 -4.35 100 50.723 1.572 10.020 28.339 1989 05 28 08 08 50.80 -4.35 100 50.324 1.559 10.155 28.382 1989 05 28 09 09 50.80 -4.35 100 41.422 1.330 10.074 28.383 1989 05 28 09 11 50.80 -4.35 100 41.102 1.324 10.181 29.331 1989 05 29 07 56 50.80 -4.35 100 52.033 1.616 10.074 29.333 1989 05 29 07 59 50.80 -4.35 100 51.514 1.598 10.128 29.461 1989 05 29 11 03 50.80 -4.35 100 29.993 1.153 9.966 29.463 1989 05 29 11 06 50.80 -4.35 100 29.885 1.152 9.966 29.499 1989 05 29 11 59 50.80 -4.35 100 29.381 1.146 9.993 29.501 1989 05 29 12 01 50.80 -4.35 100 29.451 1.147 9.940 29.552 1989 05 29 13 14 50.80 -4.35 100 34.476 1.211 10.047 29.554 1989 05 29 13 17 50.80 -4.35 100 34.823 1.216 10.047 30.344 1989 05 30 08 15 50.80 -4.35 100 48.960 1.516 9.972 30.447 1989 05 30 10 42 50.80 -4.35 100 31.070 1.166 9.972 30.501 1989 05 30 12 02 50.80 -4.35 100 29.311 1.146 10.171 30.553 1989 05 30 13 15 50.80 -4.35 100 34.467 1.211 10.420 31.337 1989 05 31 08 05 50.80 -4.35 100 50.441 1.562 10.369 31.459 1989 05 31 11 00 50.80 -4.35 100 29.886 1.152 10.670 31.484 1989 05 31 11 36 50.80 -4.35 100 28.856 1.141 11.401 31.550 1989 05 31 13 12 50.80 -4.35 100 33.989 1.204 10.369