Climate of the World
- Climate Normals 1961-1990 by WMO Regional Association (RA):
- Global Historical Climatology Network (GHCN-Monthly V.2) (list of data souces) (data documentation) (GHCN quality control of monthly temperature data)
- The NOAA/NCDC Climate Analysis Branch is pleased to announce the release of the Global Historical Climatology Network - Monthly (GHCNM) version 3.0 (beta). The public is encouraged to provide feedback during this beta phase to help improve and enhance the dataset. More information can be found at (please direct questions, comments, or feedback specific to the GHCNM at: NCDC.GHCNM@noaa.gov):
- Old Climate 1931-60 (Maps of average/extreme temps and precip for U.S.- January 1969, revised 1991 (minor revisions)



