Attention: NCEI will undergo maintenance on Wednesday, June 3 (6:00 AM - 11:30 AM EDT). Access to many web systems will be unavailable during this time.
1981–2010 U.S. Climate Normals
Access to the 1981–2010 temperature and precipitation Climate Normals and visualizations that demonstrate cycles and interesting features within the data. Answers to frequently asked questions about the 1981–2010 Climate Normals and a list of reference publications are also provided.
1971–2000 U.S. Climate Normals Data and Information
Access to the previous version of the U.S. Climate Normals, which includes similar products to the updated 1981–2010 Climate Normals.