De Backer H. DOBSON UCCLE TOTALCOL 01-MAY-1992 00:00:0031-MAY-1992 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1992 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 2.337 1992 05 02 08 05 50.80 -4.35 100 55.295 1.744 10.020 2.375 1992 05 02 09 00 50.80 -4.35 100 47.522 1.475 10.071 3.329 1992 05 03 07 54 50.80 -4.35 100 56.775 1.811 9.671 3.376 1992 05 03 09 01 50.80 -4.35 100 47.159 1.465 9.770 4.338 1992 05 04 08 06 50.80 -4.35 100 54.630 1.716 8.784 4.340 1992 05 04 08 09 50.80 -4.35 100 54.295 1.702 8.758 4.380 1992 05 04 09 06 50.80 -4.35 100 46.208 1.440 8.838 4.380 1992 05 04 09 07 50.80 -4.35 100 46.067 1.436 8.811 4.488 1992 05 04 11 42 50.80 -4.35 100 34.689 1.214 8.803 4.538 1992 05 04 12 54 50.80 -4.35 100 37.842 1.264 8.973 4.540 1992 05 04 12 57 50.80 -4.35 100 38.025 1.267 9.026 5.356 1992 05 05 08 33 50.80 -4.35 100 50.522 1.565 8.811 5.358 1992 05 05 08 35 50.80 -4.35 100 50.187 1.554 8.919 5.386 1992 05 05 09 15 50.80 -4.35 100 44.798 1.405 8.973 5.387 1992 05 05 09 17 50.80 -4.35 100 44.555 1.399 8.919 5.451 1992 05 05 10 50 50.80 -4.35 100 35.788 1.231 8.919 5.453 1992 05 05 10 52 50.80 -4.35 100 35.684 1.229 8.811 5.508 1992 05 05 12 11 50.80 -4.35 100 34.993 1.219 9.080 5.509 1992 05 05 12 13 50.80 -4.35 100 35.056 1.220 8.865 5.525 1992 05 05 12 36 50.80 -4.35 100 36.228 1.237 9.026 5.526 1992 05 05 12 37 50.80 -4.35 100 36.307 1.239 8.811 6.344 1992 05 06 08 14 50.80 -4.35 100 52.947 1.650 8.382 6.345 1992 05 06 08 17 50.80 -4.35 100 52.579 1.636 8.408 6.376 1992 05 06 09 01 50.80 -4.35 100 46.368 1.444 8.516 6.377 1992 05 06 09 03 50.80 -4.35 100 46.171 1.439 8.408 6.471 1992 05 06 11 18 50.80 -4.35 100 34.379 1.210 8.462 6.472 1992 05 06 11 20 50.80 -4.35 100 34.330 1.209 8.462 6.532 1992 05 06 12 46 50.80 -4.35 100 36.686 1.245 8.360 7.346 1992 05 07 08 18 50.80 -4.35 100 52.265 1.625 7.549 7.394 1992 05 07 09 27 50.80 -4.35 100 42.828 1.360 7.721 7.406 1992 05 07 09 45 50.80 -4.35 100 40.772 1.317 7.645 7.461 1992 05 07 11 03 50.80 -4.35 100 34.586 1.213 7.769 7.499 1992 05 07 11 58 50.80 -4.35 100 34.059 1.205 7.817 7.531 1992 05 07 12 44 50.80 -4.35 100 36.265 1.238 8.113 8.381 1992 05 08 09 09 50.80 -4.35 100 44.874 1.406 8.755 8.406 1992 05 08 09 44 50.80 -4.35 100 40.610 1.314 8.728 8.502 1992 05 08 12 02 50.80 -4.35 100 33.902 1.203 9.596 8.529 1992 05 08 12 42 50.80 -4.35 100 35.851 1.232 9.695 9.383 1992 05 09 09 11 50.80 -4.35 100 44.370 1.394 8.927 10.342 1992 05 10 08 13 50.80 -4.35 100 52.352 1.628 8.532 11.511 1992 05 11 12 16 50.80 -4.35 100 33.609 1.199 9.870 12.343 1992 05 12 08 14 50.80 -4.35 100 51.798 1.608 8.433 12.380 1992 05 12 09 07 50.80 -4.35 100 44.225 1.391 8.532 12.475 1992 05 12 11 24 50.80 -4.35 100 32.670 1.186 8.360 12.526 1992 05 12 12 37 50.80 -4.35 100 34.554 1.212 8.631 13.342 1992 05 13 08 11 50.80 -4.35 100 51.930 1.613 8.596 13.343 1992 05 13 08 14 50.80 -4.35 100 51.512 1.598 8.596 13.378 1992 05 13 09 04 50.80 -4.35 100 44.480 1.397 8.623 13.380 1992 05 13 09 06 50.80 -4.35 100 44.144 1.389 8.596 13.470 1992 05 13 11 16 50.80 -4.35 100 32.596 1.185 8.704 13.471 1992 05 13 11 18 50.80 -4.35 100 32.538 1.185 8.596 13.497 1992 05 13 11 55 50.80 -4.35 100 32.449 1.183 8.704 13.498 1992 05 13 11 57 50.80 -4.35 100 32.491 1.184 8.596 13.532 1992 05 13 12 45 50.80 -4.35 100 34.882 1.217 8.704 13.533 1992 05 13 12 47 50.80 -4.35 100 35.021 1.219 8.650 14.331 1992 05 14 07 57 50.80 -4.35 100 53.935 1.688 8.489 14.333 1992 05 14 07 59 50.80 -4.35 100 53.569 1.674 8.516 14.368 1992 05 14 08 50 50.80 -4.35 100 46.173 1.439 8.516 14.370 1992 05 14 08 52 50.80 -4.35 100 45.856 1.431 8.570 14.395 1992 05 14 09 28 50.80 -4.35 100 41.126 1.324 8.623 14.396 1992 05 14 09 29 50.80 -4.35 100 40.971 1.321 8.596 14.493 1992 05 14 11 49 50.80 -4.35 100 32.113 1.179 8.570 14.494 1992 05 14 11 51 50.80 -4.35 100 32.147 1.179 8.570 14.525 1992 05 14 12 36 50.80 -4.35 100 34.017 1.205 8.596 14.527 1992 05 14 12 38 50.80 -4.35 100 34.172 1.207 8.596 15.339 1992 05 15 08 07 50.80 -4.35 100 52.187 1.622 8.919 15.340 1992 05 15 08 09 50.80 -4.35 100 51.856 1.610 8.919 15.381 1992 05 15 09 08 50.80 -4.35 100 43.450 1.373 8.892 15.383 1992 05 15 09 11 50.80 -4.35 100 43.162 1.367 8.946 15.408 1992 05 15 09 47 50.80 -4.35 100 38.738 1.279 8.946 15.409 1992 05 15 09 48 50.80 -4.35 100 38.562 1.276 8.892 15.473 1992 05 15 11 20 50.80 -4.35 100 32.018 1.178 8.946 15.474 1992 05 15 11 21 50.80 -4.35 100 31.992 1.178 8.919 16.334 1992 05 16 08 01 50.80 -4.35 100 52.971 1.651 9.026 16.336 1992 05 16 08 03 50.80 -4.35 100 52.597 1.637 9.107 17.330 1992 05 17 07 55 50.80 -4.35 100 53.652 1.677 9.448 18.356 1992 05 18 08 31 50.80 -4.35 100 48.062 1.490 9.241 18.358 1992 05 18 08 35 50.80 -4.35 100 47.621 1.478 9.375 18.469 1992 05 18 11 15 50.80 -4.35 100 31.491 1.171 9.295 18.470 1992 05 18 11 16 50.80 -4.35 100 31.453 1.171 9.322 18.528 1992 05 18 12 41 50.80 -4.35 100 33.449 1.197 9.402 18.529 1992 05 18 12 42 50.80 -4.35 100 33.552 1.198 9.214 19.335 1992 05 19 08 02 50.80 -4.35 100 52.366 1.628 8.973 19.336 1992 05 19 08 04 50.80 -4.35 100 52.067 1.618 8.999 19.368 1992 05 19 08 49 50.80 -4.35 100 45.367 1.418 8.999 19.369 1992 05 19 08 51 50.80 -4.35 100 45.063 1.411 9.107 19.463 1992 05 19 11 06 50.80 -4.35 100 31.571 1.172 8.946 19.465 1992 05 19 11 08 50.80 -4.35 100 31.492 1.171 9.026 19.494 1992 05 19 11 50 50.80 -4.35 100 31.006 1.165 8.973 19.495 1992 05 19 11 52 50.80 -4.35 100 31.038 1.166 9.026 20.339 1992 05 20 08 08 50.80 -4.35 100 51.257 1.590 9.295 20.341 1992 05 20 08 10 50.80 -4.35 100 50.927 1.578 9.349 20.379 1992 05 20 09 05 50.80 -4.35 100 42.983 1.363 9.295 20.380 1992 05 20 09 07 50.80 -4.35 100 42.700 1.357 9.322 20.420 1992 05 20 10 05 50.80 -4.35 100 35.823 1.231 9.375 20.422 1992 05 20 10 07 50.80 -4.35 100 35.615 1.228 9.402 20.486 1992 05 20 11 39 50.80 -4.35 100 30.713 1.162 9.483 20.488 1992 05 20 11 43 50.80 -4.35 100 30.722 1.162 9.510 20.534 1992 05 20 12 49 50.80 -4.35 100 33.693 1.200 9.537 20.536 1992 05 20 12 51 50.80 -4.35 100 33.866 1.202 9.590 21.339 1992 05 21 08 07 50.80 -4.35 100 51.220 1.588 9.671 21.340 1992 05 21 08 09 50.80 -4.35 100 50.894 1.577 9.698 21.399 1992 05 21 09 33 50.80 -4.35 100 39.196 1.287 9.725 21.400 1992 05 21 09 35 50.80 -4.35 100 38.953 1.283 9.752 21.407 1992 05 21 09 45 50.80 -4.35 100 37.823 1.263 9.859 21.408 1992 05 21 09 47 50.80 -4.35 100 37.607 1.260 9.778 21.495 1992 05 21 11 52 50.80 -4.35 100 30.627 1.161 10.047 21.496 1992 05 21 11 54 50.80 -4.35 100 30.664 1.161 9.778 21.530 1992 05 21 12 43 50.80 -4.35 100 32.997 1.191 9.859 21.532 1992 05 21 12 45 50.80 -4.35 100 33.182 1.193 9.993 22.340 1992 05 22 08 10 50.80 -4.35 100 50.704 1.571 9.671 22.342 1992 05 22 08 12 50.80 -4.35 100 50.414 1.562 9.671 22.371 1992 05 22 08 54 50.80 -4.35 100 44.210 1.391 9.617 22.372 1992 05 22 08 55 50.80 -4.35 100 44.087 1.388 9.752 22.454 1992 05 22 10 54 50.80 -4.35 100 31.586 1.172 9.805 22.456 1992 05 22 10 56 50.80 -4.35 100 31.479 1.171 9.859 22.494 1992 05 22 11 51 50.80 -4.35 100 30.401 1.158 9.832 22.518 1992 05 22 12 26 50.80 -4.35 100 31.698 1.174 9.913 22.520 1992 05 22 12 28 50.80 -4.35 100 31.799 1.175 9.832 23.333 1992 05 23 08 00 50.80 -4.35 100 52.106 1.619 9.572 23.366 1992 05 23 08 47 50.80 -4.35 100 45.059 1.411 9.725 23.368 1992 05 23 08 49 50.80 -4.35 100 44.784 1.404 9.617 24.325 1992 05 24 07 48 50.80 -4.35 100 53.736 1.680 9.913 24.327 1992 05 24 07 50 50.80 -4.35 100 53.458 1.669 9.859 24.364 1992 05 24 08 43 50.80 -4.35 100 45.456 1.421 9.993 24.365 1992 05 24 08 45 50.80 -4.35 100 45.231 1.415 9.859 25.335 1992 05 25 08 02 50.80 -4.35 100 51.508 1.598 9.859 25.336 1992 05 25 08 04 50.80 -4.35 100 51.208 1.588 9.940 25.369 1992 05 25 08 51 50.80 -4.35 100 44.274 1.392 9.832 25.370 1992 05 25 08 53 50.80 -4.35 100 43.977 1.385 9.993 25.461 1992 05 25 11 04 50.80 -4.35 100 30.561 1.160 9.940 25.462 1992 05 25 11 06 50.80 -4.35 100 30.478 1.159 9.993 25.492 1992 05 25 11 47 50.80 -4.35 100 29.801 1.151 10.316 25.528 1992 05 25 12 39 50.80 -4.35 100 32.007 1.178 10.622 26.339 1992 05 26 08 08 50.80 -4.35 100 50.520 1.565 9.564 26.340 1992 05 26 08 09 50.80 -4.35 100 50.254 1.556 9.402 26.384 1992 05 26 09 13 50.80 -4.35 100 41.086 1.323 9.564 26.385 1992 05 26 09 15 50.80 -4.35 100 40.879 1.319 9.349 26.410 1992 05 26 09 50 50.80 -4.35 100 36.501 1.242 9.456 26.411 1992 05 26 09 51 50.80 -4.35 100 36.342 1.239 9.349 26.471 1992 05 26 11 18 50.80 -4.35 100 29.875 1.152 9.537 26.472 1992 05 26 11 19 50.80 -4.35 100 29.841 1.152 9.375 26.529 1992 05 26 12 41 50.80 -4.35 100 31.959 1.177 9.725 26.530 1992 05 26 12 42 50.80 -4.35 100 32.067 1.178 9.537 27.355 1992 05 27 08 31 50.80 -4.35 100 46.941 1.459 9.644 27.357 1992 05 27 08 34 50.80 -4.35 100 46.429 1.445 9.725 27.409 1992 05 27 09 49 50.80 -4.35 100 36.482 1.241 9.725 27.412 1992 05 27 09 53 50.80 -4.35 100 35.959 1.233 9.832 27.478 1992 05 27 11 28 50.80 -4.35 100 29.502 1.148 9.886 27.480 1992 05 27 11 31 50.80 -4.35 100 29.464 1.147 9.859 27.530 1992 05 27 12 43 50.80 -4.35 100 31.933 1.177 9.564 27.532 1992 05 27 12 45 50.80 -4.35 100 32.140 1.179 9.644 28.336 1992 05 28 08 04 50.80 -4.35 100 50.931 1.579 9.547 28.369 1992 05 28 08 50 50.80 -4.35 100 43.966 1.385 10.020 29.352 1992 05 29 08 26 50.80 -4.35 100 47.477 1.474 9.547 29.411 1992 05 29 09 51 50.80 -4.35 100 36.018 1.234 10.646 30.334 1992 05 30 08 00 50.80 -4.35 100 51.216 1.588 9.373 30.373 1992 05 30 08 57 50.80 -4.35 100 42.836 1.360 9.572 31.332 1992 05 31 07 58 50.80 -4.35 100 51.501 1.598 8.903 31.370 1992 05 31 08 52 50.80 -4.35 100 43.415 1.372 8.903