Optical Transient Detector data is processed and archived by day. The browse products are GIF images giving a graphical representation of the OTD data for each day. To get a small preview image of one month of OTD browse products, select [Thumbnails] option corresponding to the month and year you are interested in. If you have a slow connection or already know which day or days you want, and do not want the preview images, select the [text] option instead, and you will get a text-only calendar of that month. OTD Global Lightning Distributions - To see QC annual, seasonal, and monthly maps. Flash summary maps show lightning flashes which are detected within the field of view of the OTD. To see data from the most recent month(s), go to the non-quality controlled calendar page. 1995 April [thumbnail] May [thumbnail] June [thumbnail] July [thumbnail] August [thumbnail] September [thumbnail] October [thumbnail] November [thumbnail] December [thumbnail] 1996 January [thumbnail] February [thumbnail] March [thumbnail] April [thumbnail] May [thumbnail] June [thumbnail] July [thumbnail] August [thumbnail] September [thumbnail] October [thumbnail] November [thumbnail] December [thumbnail] 1997 January [thumbnail] February [thumbnail] March [thumbnail] April [thumbnail] May [thumbnail] June [thumbnail] July [thumbnail] August [thumbnail] September [thumbnail] October [thumbnail] November [thumbnail] December [thumbnail] 1998 January [thumbnail] February [thumbnail] March [thumbnail] April [thumbnail] May [thumbnail] June [thumbnail] July [thumbnail] August [thumbnail] September [thumbnail] October [thumbnail] November [thumbnail] December [thumbnail] 1999 January [thumbnail] February [thumbnail] March [thumbnail] April [thumbnail] May [thumbnail] June [thumbnail] July [thumbnail] August [thumbnail] September [thumbnail] October [thumbnail] November [thumbnail] December [thumbnail] 2000 January [thumbnail] February [thumbnail] March [thumbnail]