De Backer H. DOBSON UCCLE TOTALCOL 01-APR-1996 00:00:0030-APR-1996 23:59:590001 30 1010 Hugo De Backer Uccle; Royal Meteorological Institute Belgium Dobson Spectrophotometer Instrument No.40 NDSC 1 1 1996 04 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 1.350 1996 04 01 08 23 50.80 -4.35 100 62.489 2.138 8.779 1.442 1996 04 01 10 36 50.80 -4.35 100 48.310 1.497 8.999 1.445 1996 04 01 10 41 50.80 -4.35 100 48.034 1.489 9.107 1.505 1996 04 01 12 07 50.80 -4.35 100 46.251 1.441 8.946 1.508 1996 04 01 12 11 50.80 -4.35 100 46.348 1.443 8.704 1.558 1996 04 01 13 22 50.80 -4.35 100 50.257 1.556 9.080 1.559 1996 04 01 13 24 50.80 -4.35 100 50.380 1.560 9.134 2.350 1996 04 02 08 23 50.80 -4.35 100 62.130 2.114 9.483 2.352 1996 04 02 08 27 50.80 -4.35 100 61.599 2.078 9.456 2.443 1996 04 02 10 37 50.80 -4.35 100 47.869 1.485 9.770 2.497 1996 04 02 11 55 50.80 -4.35 100 45.702 1.427 9.945 3.346 1996 04 03 08 17 50.80 -4.35 100 62.545 2.142 10.181 3.463 1996 04 03 11 06 50.80 -4.35 100 46.023 1.435 9.623 4.346 1996 04 04 08 17 50.80 -4.35 100 62.174 2.117 9.298 4.403 1996 04 04 09 40 50.80 -4.35 100 51.918 1.612 9.564 4.406 1996 04 04 09 43 50.80 -4.35 100 51.567 1.600 9.617 4.477 1996 04 04 11 27 50.80 -4.35 100 45.057 1.411 9.695 5.345 1996 04 05 08 16 50.80 -4.35 100 62.054 2.109 9.429 5.347 1996 04 05 08 19 50.80 -4.35 100 61.563 2.076 9.456 5.470 1996 04 05 11 16 50.80 -4.35 100 44.931 1.408 9.298 5.502 1996 04 05 12 03 50.80 -4.35 100 44.668 1.401 9.448 6.337 1996 04 06 08 05 50.80 -4.35 100 63.176 2.187 9.547 7.343 1996 04 07 08 13 50.80 -4.35 100 61.665 2.083 9.821 8.350 1996 04 08 08 23 50.80 -4.35 100 59.967 1.978 9.397 9.346 1996 04 09 08 18 50.80 -4.35 100 60.309 1.998 8.656 9.410 1996 04 09 09 50 50.80 -4.35 100 48.999 1.517 8.580 9.474 1996 04 09 11 23 50.80 -4.35 100 43.244 1.369 8.556 9.536 1996 04 09 12 51 50.80 -4.35 100 45.206 1.414 8.532 10.353 1996 04 10 08 28 50.80 -4.35 100 58.597 1.902 8.309 10.452 1996 04 10 10 51 50.80 -4.35 100 44.041 1.387 8.556 10.488 1996 04 10 11 42 50.80 -4.35 100 42.649 1.356 8.532 10.540 1996 04 10 12 57 50.80 -4.35 100 45.261 1.416 8.261 11.381 1996 04 11 09 08 50.80 -4.35 100 53.030 1.653 9.424 11.477 1996 04 11 11 27 50.80 -4.35 100 42.420 1.351 9.448 11.526 1996 04 11 12 37 50.80 -4.35 100 43.691 1.379 9.472 12.452 1996 04 12 10 50 50.80 -4.35 100 43.328 1.371 9.249 12.493 1996 04 12 11 49 50.80 -4.35 100 41.933 1.341 9.198 12.533 1996 04 12 12 48 50.80 -4.35 100 43.995 1.386 8.852 13.310 1996 04 13 07 26 50.80 -4.35 100 66.611 2.475 9.198 14.308 1996 04 14 07 23 50.80 -4.35 100 66.827 2.495 7.965 15.345 1996 04 15 08 17 50.80 -4.35 100 58.495 1.897 8.731 15.347 1996 04 15 08 20 50.80 -4.35 100 58.077 1.875 8.623 15.401 1996 04 15 09 37 50.80 -4.35 100 48.219 1.495 8.516 15.403 1996 04 15 09 40 50.80 -4.35 100 47.899 1.485 8.516 15.481 1996 04 15 11 33 50.80 -4.35 100 40.885 1.319 8.570 15.483 1996 04 15 11 35 50.80 -4.35 100 40.862 1.319 8.596 15.536 1996 04 15 12 52 50.80 -4.35 100 43.276 1.369 8.516 15.538 1996 04 15 12 54 50.80 -4.35 100 43.450 1.373 8.570 16.342 1996 04 16 08 11 50.80 -4.35 100 58.957 1.921 8.113 16.344 1996 04 16 08 14 50.80 -4.35 100 58.525 1.898 8.167 16.396 1996 04 16 09 30 50.80 -4.35 100 48.695 1.508 8.113 16.398 1996 04 16 09 33 50.80 -4.35 100 48.364 1.499 8.274 16.478 1996 04 16 11 27 50.80 -4.35 100 40.596 1.314 8.140 16.479 1996 04 16 11 30 50.80 -4.35 100 40.560 1.313 8.059 16.521 1996 04 16 12 30 50.80 -4.35 100 41.649 1.335 8.059 16.523 1996 04 16 12 33 50.80 -4.35 100 41.797 1.338 8.167 17.344 1996 04 17 08 14 50.80 -4.35 100 58.234 1.883 7.696 17.386 1996 04 17 09 15 50.80 -4.35 100 50.094 1.551 7.769 17.487 1996 04 17 11 41 50.80 -4.35 100 40.129 1.305 7.745 17.529 1996 04 17 12 41 50.80 -4.35 100 41.933 1.341 7.868 18.338 1996 04 18 08 06 50.80 -4.35 100 59.090 1.928 8.355 18.340 1996 04 18 08 09 50.80 -4.35 100 58.662 1.905 8.462 18.403 1996 04 18 09 40 50.80 -4.35 100 46.909 1.458 8.309 18.492 1996 04 18 11 47 50.80 -4.35 100 39.798 1.299 8.285 18.534 1996 04 18 12 48 50.80 -4.35 100 42.057 1.343 8.236 19.344 1996 04 19 08 15 50.80 -4.35 100 57.557 1.849 8.656 19.396 1996 04 19 09 30 50.80 -4.35 100 47.708 1.480 8.604 19.474 1996 04 19 11 22 50.80 -4.35 100 39.636 1.295 8.758 19.475 1996 04 19 11 23 50.80 -4.35 100 39.614 1.295 8.677 19.531 1996 04 19 12 44 50.80 -4.35 100 41.465 1.331 8.704 20.328 1996 04 20 07 52 50.80 -4.35 100 60.630 2.017 8.803 21.333 1996 04 21 07 59 50.80 -4.35 100 59.278 1.939 9.107 21.336 1996 04 21 08 03 50.80 -4.35 100 58.554 1.900 9.161 22.332 1996 04 22 07 57 50.80 -4.35 100 59.207 1.935 8.852 22.395 1996 04 22 09 28 50.80 -4.35 100 46.940 1.459 8.728 22.461 1996 04 22 11 04 50.80 -4.35 100 39.145 1.287 8.604 22.512 1996 04 22 12 16 50.80 -4.35 100 39.098 1.286 8.656 23.344 1996 04 23 08 15 50.80 -4.35 100 56.274 1.788 9.050 23.393 1996 04 23 09 25 50.80 -4.35 100 46.973 1.460 9.050 23.475 1996 04 23 11 23 50.80 -4.35 100 38.253 1.271 8.903 23.530 1996 04 23 12 42 50.80 -4.35 100 40.114 1.304 9.496 24.344 1996 04 24 08 15 50.80 -4.35 100 56.055 1.778 9.897 24.402 1996 04 24 09 38 50.80 -4.35 100 45.141 1.413 10.146 24.472 1996 04 24 11 20 50.80 -4.35 100 37.989 1.266 9.797 24.530 1996 04 24 12 43 50.80 -4.35 100 39.825 1.299 9.945 25.347 1996 04 25 08 19 50.80 -4.35 100 55.191 1.740 9.993 25.350 1996 04 25 08 23 50.80 -4.35 100 54.568 1.713 10.128 25.395 1996 04 25 09 29 50.80 -4.35 100 45.943 1.433 10.074 25.397 1996 04 25 09 31 50.80 -4.35 100 45.631 1.425 10.181 25.528 1996 04 25 12 40 50.80 -4.35 100 39.361 1.290 9.623 26.333 1996 04 26 07 58 50.80 -4.35 100 57.870 1.864 9.572 26.405 1996 04 26 09 43 50.80 -4.35 100 44.049 1.387 9.397 26.468 1996 04 26 11 13 50.80 -4.35 100 37.500 1.258 9.198 26.530 1996 04 26 12 42 50.80 -4.35 100 39.184 1.287 9.198 30.376 1996 04 30 09 02 50.80 -4.35 100 47.839 1.484 9.886 30.380 1996 04 30 09 06 50.80 -4.35 100 47.209 1.466 10.047 30.406 1996 04 30 09 44 50.80 -4.35 100 42.776 1.358 9.966 30.408 1996 04 30 09 48 50.80 -4.35 100 42.329 1.349 9.778 30.470 1996 04 30 11 17 50.80 -4.35 100 36.154 1.236 9.821 30.524 1996 04 30 12 34 50.80 -4.35 100 37.515 1.258 10.044