Reading software is also available for all datasets. Daily global observations of atmospheric water vapor and liquid water comprise NASA's NVAP dataset. Presently, the dataset extends from 1988 through 1995, but recent years will soon be added. NVAP is free and available via ftp. The new reanalysis procedure includes a state of the art 4DDA scheme consistent over the long time frame, incorporation of data not present during the real-time forecasts, and continuous global coverage.
Data come in several formats, which is dependent upon from which institution the data originates.
Reading software, documentation, model description and the data products are available through several of these Reanalysis sites. Our DAAC data only are described here. These data comer in all types of formats and media. This is probably the best site to obtain online general climate data. The NOAA Library contains a large collection of historical meteorological records from around the world.