The website associated with this dataset is http://hydrology.princeton.edu/data.metdata_africa.php.
The following information is from the "Readme" file associated with this dataset:
Source: Princeton University Name: Princeton Meteorological Forcings for West/Central/East Africa Period: Jan-1979 - Dec-2005 Times: Daily Coverage: Global Resolution: 0.1-degree Grid: Latitude-longitude Type: Observational-Reanalysis hybrid Related Sites: http://hydrology.princeton.edu/data/index.html Publications: Chaney, N., and J. Sheffield, 2012: Development of a 50-yr high-resolution global dataset of meteorological forcings for land surface modeling, J. Climate, to be submitted; Sheffield, J., G. Goteti, and E. F. Wood, Development of a 50-yr high-resolution global dataset of meteorological forcings for land surface modeling, J. Climate, 19 (13), 3088-3111. Variables: Precipitation (prcp) Max air temperature at 2m above ground (tmax) Min air temperature at 2m above ground (tmin) Downward longwave at surface (dlwrf) Downward shortwave at surface (dswrf) Surface pressure (pres) Specific humidity (shum) Windspeed (wind) Formats: NetCDF History: Original data Volume: 334 MB/year/variable Date Created: Sep 21 2012 Change Log: 2) Feb 8 2013 Variables prec, dswrf, dlwrf, pres added, and all existing variables updated to latest version. 1) Sep 21 2012 Initial version uploaded to the web for shum, tmin, tmax, wind