|National Solar Radiation Data Base User's Manual (1961-1990)|
Appendix B: Station Notes
Because Secondary stations have no measured data, the source and uncertainty flags for all 183 stations are quite similar. Therefore, summary quality statistics are included for only five Secondary stations. The stations selected are quite representative of all 183 stations. It is likely that the large uncertainties for solar radiation data for Wilkes-Barre, Penn. are due at least in part to the large uncertainty for aerosol optical depths (50%) for this region. On the other hand, the low uncertainty for aerosol optical depths (10%) for the central valley of California is likely related to the small uncertainties for the solar radiation data for Bakersfield, Calif. Many factors, of course, contribute to the uncertainties for these and all other stations.
Stations appear in the order of their WBAN numbers. Table 1-2 in Part 1 can be used to find the WBAN numbers of individual Primary stations.
Appendix D: Key to the Present Weather Elements
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