National Solar Radiation Data Base

Data Sets
Announcement: The new Typical Meteorological Year version 3 (TMY3) data sets are now available for download. The TMY3 data set is an update to, and expansion of, the TMY2 data sets released by NREL in 1994. The TMY3 data sets provide greater geographical coverage than previous TMY data sets with information on 1020 locations in the United States, compared with 239 locations in the TMY2 data set.
National Solar Radiation Database 1961-1990 The National Solar Radiation Data Base 1961-1990 (NSRDB) contains 30 years of solar radiation and supplementary meteorological data from 237 NWS sites in the U.S., plus sites in Guam and Puerto Rico.		National Solar Radiation Database 1991-2005 Update The updated 1991-2005 National Solar Radiation Database holds solar and meteorological data for 1,454 locations in the United States and its territories.
Hourly Solar Data Statistical Summaries Daily Statistics Files Solar Radiation Data Manual for Buildings Solar Radiation Data Manual for Flat-Plate and Concentrating Collectors Typical Meteorological Year (TMY2) Files		Hourly Solar Data Statistical Summaries Daily Statistics Files Hourly Statistics Files Threshold Files Typical Meteorological Year (TMY3) Files
User's Manuals
National Solar Radiation Data Base User's Manual (1961-1990)   This document describes the National Solar Radiation Data Base, 1961-1990. The manual provides guidance in using data base products, acquaints the user with the many features of the data base, and provides information on how to use data base products.		National Solar Radiation Database 1991-2005 Update: User's Manual   This document describes the National Solar Radiation Data Base Update 1991-2005. The manual provides guidance in using data base products, acquaints the user with the many features of the data base update, and provides information on how to use data base products.
Maps
Map of 1961-1990 NSRDB sites Click thumbnail to expand figure.		Map of 1991-2005 NSRDB sites with 1961-1990 sites Click thumbnail to expand figure.

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