Hourly and daily clearness index and dif
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E. C. Okogbue; J. A. Adedokun; B. Holmgren
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Article
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2009
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John Wiley and Sons
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English
β 312 KB
## Abstract Dataset consisting of hourly global and diffuse solar radiation measured over the period February 1992 and December 2002 have been utilized to investigate the diurnal and seasonal variations of hourly and daily clearness index together with the diffuse fraction at a tropical station Ile