National Solar Radiation Data Base

Data Sets
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 1991-2010 Update The updated 1991-2010 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		Hourly Solar Data Statistical Summaries Daily Statistics Files Hourly Statistics Files Threshold 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 1991-2010 Update: User's Manual   This document describes the National Solar Radiation Data Base Update 1991-2010. 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 1991-2010 NSRDB sites with 1961-1990 sites Click thumbnail to expand figure.

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