NOAA National Solar Radiation Database (NSRD) -- Sunlight Data

NOAA has released the National Solar Radiation Database to provide extensive information on solar radiation. The National Renewable Energy Laboratory (NREL) led work to make the 1991-2010 solar radiation data more easily accessible. Collaborators included NCEI, the National Aeronautics and Space Administration, the Northeast Regional Climate Center, and several universities and companies.

The data files below are processed to make the files easier to use.

Updates and changes.

Contact data@nber.org with questions, comments, or suggestions.