TEMPORAL COVERAGE OF THE UCSB SPOT CATALOG

There are 10,221,768 items in the UCSB SPOT Catalog as of January 10, 2009.

The temporal coverage of the items is graphically shown by the histogram below. Each red spike represents a month; each green/yellow bar, a year. The height of a spike or bar reflects the number of items that overlap that time period.

(graphical display)

The following table shows the temporal coverage numerically. The cells in the “Overall” column represent years; the cells to the right of a year represent individual months within that year. The value in a cell is the number of items that overlap the year or month represented by that cell.

Overall Month in year
1 2 3 4 5 6 7 8 9 10 11 12
Year 1986 135590 0 0 2470 7969 15416 21063 19685 21007 14911 13843 10267 8959
1987 128594 9818 8981 9915 12558 11555 13038 14574 9489 13272 14644 5971 4779
1988 161973 4383 5331 10682 16436 19169 20108 20850 20248 17469 16416 5457 5424
1989 159482 6895 6104 11602 16346 16796 17795 19499 16947 18366 17444 5710 5978
1990 226349 5573 13901 25406 25938 22546 25828 24424 26386 20998 20372 7228 7749
1991 157101 7180 5954 12911 16063 11555 19323 20956 20687 16381 15221 5596 5274
1992 200544 5975 6106 11254 17286 26742 24344 28375 26964 23391 19765 6442 3900
1993 187183 6154 5579 9972 20039 23997 29303 31733 14954 12275 14068 9792 9317
1994 293830 9930 9585 15158 15420 23445 35688 41026 38255 38774 34335 16035 16179
1995 303498 12654 11024 20264 25611 28242 36383 39757 33970 33446 33216 14079 14852
1996 269699 15645 13942 23955 21190 23520 30305 32007 33189 23776 26186 14164 11820
1997 182928 8222 6689 8829 11841 15698 16420 18277 20842 24116 21571 14643 15780
1998 314685 15585 18689 19437 21736 31907 32120 36288 34446 30174 29805 21468 23030
1999 298006 22044 20287 22282 26775 30565 27631 31019 29952 26874 24819 18738 17020
2000 300757 19458 20754 22824 27146 27720 27426 30885 30163 26935 21454 22144 23848
2001 360099 32296 28387 31660 30652 33432 32836 37478 35559 34044 26201 18631 18923
2002 385952 13588 12838 17822 25275 29094 41539 43480 41274 36149 37507 41717 45669
2003 700024 43138 43237 48976 54394 54451 55264 62218 74402 65561 64544 59517 74322
2004 979661 77962 74898 83714 83600 83729 86608 86049 88348 81122 78230 77458 77943
2005 1117679 77288 71092 82380 85428 93903 99361 103369 103876 101554 110928 93888 94612
2006 1196474 86063 76257 86010 89105 102473 109029 118694 122208 110703 109968 93973 91991
2007 1178718 99320 95101 97685 91149 105835 104353 112134 109517 102138 97196 84282 80008
2008 967854 71306 75938 79016 71738 80401 74324 93090 85407 87143 88966 80632 79893
2009 15088 15088 0 0 0 0 0 0 0 0 0 0 0