The ISMCS Version 4.0 CD-ROM gives detailed climatological summaries for 2600 locations worldwide. These locations include National Weather Service stations, domestic and overseas Navy and Air Force sites, and numerous foreign stations. Limited summaries are also given for approximately 4000 additional worldwide sides. This version also contains year/month and long term mean precipitation data for 1000 foreign locations. Tabular or statistical data can be exported to a printer or spreadsheet. Joint NCDC, USAF and .S. Navy product. DOS onlu. Three various climatic summary type tables are available on the ISMCS. Each summary has climatic tables which vary slightly in content and format.