Abstract
The purpose of this report is to provide average monthly data that depict the long-term geographic distribution of U.S. direct normal solar radiation - solar radiation incident on a surface perpendicular to the sun's rays. The Insolation Data Manual presents monthly averaged data which describes the availability of solar radiation at 248 National Weather Service (NWS) stations, principally in theUnited States.
Original language | American English |
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Number of pages | 369 |
DOIs | |
State | Published - 1990 |
Bibliographical note
Reprint of SP-755-789 and SP-281-1658 without modificationsNREL Publication Number
- NREL/TP-220-3880
Keywords
- solar
- solar energy
- solar radiation