De Backer H. BREWER UCCLE TOTALCOL 01-MAY-1987 00:00:0031-MAY-1987 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Brewer Spectrophotometer Instrument No.16 NDSC 1 1 1987 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 1.346 1987 05 01 08 18 50.80 -4.35 100 53.831 1.684 8.159 1.393 1987 05 01 09 26 50.80 -4.35 100 44.740 1.403 8.073 2.357 1987 05 02 08 34 50.80 -4.35 100 51.285 1.590 9.045 2.402 1987 05 02 09 39 50.80 -4.35 100 42.949 1.362 9.091 2.406 1987 05 02 09 45 50.80 -4.35 100 42.336 1.349 8.927 4.346 1987 05 04 08 18 50.80 -4.35 100 53.065 1.654 11.001 4.463 1987 05 04 11 07 50.80 -4.35 100 35.511 1.226 11.009 5.331 1987 05 05 07 57 50.80 -4.35 100 56.025 1.776 10.063 5.335 1987 05 05 08 02 50.80 -4.35 100 55.290 1.744 10.144 5.457 1987 05 05 10 58 50.80 -4.35 100 35.576 1.227 10.055 5.465 1987 05 05 11 09 50.80 -4.35 100 35.144 1.221 9.824 5.505 1987 05 05 12 07 50.80 -4.35 100 35.084 1.220 9.937 5.511 1987 05 05 12 16 50.80 -4.35 100 35.411 1.225 9.784 6.338 1987 05 06 08 06 50.80 -4.35 100 54.358 1.705 9.467 6.380 1987 05 06 09 07 50.80 -4.35 100 45.760 1.428 9.569 6.464 1987 05 06 11 07 50.80 -4.35 100 34.924 1.218 9.405 6.499 1987 05 06 11 58 50.80 -4.35 100 34.544 1.212 9.389 6.572 1987 05 06 13 44 50.80 -4.35 100 42.423 1.351 9.478 7.356 1987 05 07 08 33 50.80 -4.35 100 50.266 1.557 9.424 7.459 1987 05 07 11 00 50.80 -4.35 100 34.928 1.218 9.357 7.503 1987 05 07 12 04 50.80 -4.35 100 34.429 1.210 9.437 7.556 1987 05 07 13 21 50.80 -4.35 100 39.676 1.296 9.346 8.336 1987 05 08 08 04 50.80 -4.35 100 54.255 1.700 9.284 8.385 1987 05 08 09 14 50.80 -4.35 100 44.423 1.396 9.260 8.388 1987 05 08 09 19 50.80 -4.35 100 43.778 1.381 9.319 8.456 1987 05 08 10 56 50.80 -4.35 100 34.841 1.216 9.410 8.463 1987 05 08 11 06 50.80 -4.35 100 34.425 1.210 9.260 8.498 1987 05 08 11 57 50.80 -4.35 100 33.987 1.204 9.354 8.504 1987 05 08 12 06 50.80 -4.35 100 34.215 1.207 9.238 8.554 1987 05 08 13 17 50.80 -4.35 100 39.082 1.285 9.370 8.557 1987 05 08 13 21 50.80 -4.35 100 39.497 1.293 9.238 9.272 1987 05 09 06 31 50.80 -4.35 100 68.451 2.665 9.091 9.336 1987 05 09 08 04 50.80 -4.35 100 54.023 1.691 9.040 9.340 1987 05 09 08 09 50.80 -4.35 100 53.196 1.659 9.182 9.386 1987 05 09 09 15 50.80 -4.35 100 44.055 1.387 8.997 9.389 1987 05 09 09 19 50.80 -4.35 100 43.463 1.374 9.201 10.380 1987 05 10 09 07 50.80 -4.35 100 44.892 1.407 10.372 10.417 1987 05 10 10 00 50.80 -4.35 100 38.635 1.277 10.224 10.448 1987 05 10 10 45 50.80 -4.35 100 34.912 1.217 10.265 11.337 1987 05 11 08 04 50.80 -4.35 100 53.510 1.671 9.690 11.454 1987 05 11 10 53 50.80 -4.35 100 34.210 1.207 9.829 11.498 1987 05 11 11 57 50.80 -4.35 100 33.190 1.193 9.795 11.559 1987 05 11 13 24 50.80 -4.35 100 39.078 1.285 9.991 12.454 1987 05 12 10 53 50.80 -4.35 100 33.952 1.204 10.780 12.501 1987 05 12 12 01 50.80 -4.35 100 33.024 1.191 10.754 12.554 1987 05 12 13 18 50.80 -4.35 100 38.195 1.270 11.500 13.453 1987 05 13 10 52 50.80 -4.35 100 33.779 1.201 11.546 13.568 1987 05 13 13 38 50.80 -4.35 100 40.144 1.305 11.632 14.342 1987 05 14 08 11 50.80 -4.35 100 51.897 1.612 11.084 15.369 1987 05 15 08 51 50.80 -4.35 100 45.907 1.432 11.490 15.468 1987 05 15 11 13 50.80 -4.35 100 32.402 1.183 11.619 16.336 1987 05 16 08 04 50.80 -4.35 100 52.665 1.639 11.874 17.336 1987 05 17 08 04 50.80 -4.35 100 52.471 1.632 11.084 17.393 1987 05 17 09 25 50.80 -4.35 100 41.061 1.323 11.011 18.365 1987 05 18 08 45 50.80 -4.35 100 46.305 1.442 11.428 19.334 1987 05 19 08 00 50.80 -4.35 100 52.725 1.641 10.772 19.462 1987 05 19 11 04 50.80 -4.35 100 31.824 1.175 10.807 19.498 1987 05 19 11 56 50.80 -4.35 100 31.286 1.169 10.874 20.337 1987 05 20 08 04 50.80 -4.35 100 51.927 1.613 10.179 20.461 1987 05 20 11 03 50.80 -4.35 100 31.680 1.174 10.643 20.514 1987 05 20 12 20 50.80 -4.35 100 31.918 1.177 11.299 20.582 1987 05 20 13 58 50.80 -4.35 100 41.233 1.326 11.011 21.351 1987 05 21 08 25 50.80 -4.35 100 48.672 1.508 10.665 21.462 1987 05 21 11 05 50.80 -4.35 100 31.389 1.170 10.823 21.545 1987 05 21 13 05 50.80 -4.35 100 35.059 1.220 11.060 22.348 1987 05 22 08 21 50.80 -4.35 100 49.099 1.520 11.643 22.464 1987 05 22 11 08 50.80 -4.35 100 31.071 1.166 11.431 22.501 1987 05 22 12 01 50.80 -4.35 100 30.785 1.163 11.447 22.555 1987 05 22 13 19 50.80 -4.35 100 36.279 1.238 11.361 25.332 1987 05 25 07 58 50.80 -4.35 100 52.159 1.621 9.913 25.336 1987 05 25 08 03 50.80 -4.35 100 51.465 1.597 9.953 25.465 1987 05 25 11 09 50.80 -4.35 100 30.493 1.159 9.945 25.502 1987 05 25 12 03 50.80 -4.35 100 30.266 1.156 9.897 25.557 1987 05 25 13 21 50.80 -4.35 100 35.996 1.234 9.975 26.325 1987 05 26 07 47 50.80 -4.35 100 53.746 1.680 9.394 26.328 1987 05 26 07 51 50.80 -4.35 100 53.088 1.655 9.308 26.406 1987 05 26 09 45 50.80 -4.35 100 37.212 1.253 9.496 26.409 1987 05 26 09 49 50.80 -4.35 100 36.689 1.245 9.429 26.493 1987 05 26 11 50 50.80 -4.35 100 29.791 1.151 9.397 26.502 1987 05 26 12 02 50.80 -4.35 100 30.065 1.154 9.472 26.557 1987 05 26 13 21 50.80 -4.35 100 35.841 1.231 9.378 27.619 1987 05 27 14 51 50.80 -4.35 100 47.507 1.474 10.348 28.336 1987 05 28 08 04 50.80 -4.35 100 50.957 1.579 10.163 28.388 1987 05 28 09 19 50.80 -4.35 100 40.197 1.306 10.278 29.337 1987 05 29 08 05 50.80 -4.35 100 50.725 1.572 10.192 30.337 1987 05 30 08 04 50.80 -4.35 100 50.682 1.570 9.378 31.334 1987 05 31 08 00 50.80 -4.35 100 51.260 1.590 10.840 31.386 1987 05 31 09 15 50.80 -4.35 100 40.381 1.309 10.963