The following data products are available:

Daily Statistics Files (NOTE: These files are MONTHLY averages of daily totals) Hourly Data Files Solar Radiation Data Manual for Buildings 30-year (1961-1990) average of solar radiation and illuminance for each month Solar Radiation Data Manual for Flat-Plate and Concentrating Collectors Averages of solar radiation for each of the 360 months during the period 1961-1990 30-year (1961-1990) average of solar radiation for each month Atlas for The Solar Radiation Data Manual For Flat-Plate and Concentrating Collectors Typical Meteorological Year (TMY2) Files

			National Solar Radiation Data Base User's Manual (HTML only) This document describes the National Solar Radiation Data Base 1961-1990 which contains 30 years of solar radiation and s upplementary meteorological data from 237 NWS sites in the U.S., plus sites in Guam and Puerto Rico. The manual provides guidance in using data base products, acquaints the user with the many features of the new data base, and provides information on how to order and use data base products.

Please send questions and comments to the Webmaster.

Disclaimer and copyright notice.

Return to RREDC Home Page ( http://www.nrel.gov/rredc"" )