Originally posted by SunEagle
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As long as there is no moisture on a surface, I'm not sure how air moisture content will affect the measurement of a terrestrial surface, but I'm certainly willing to learn. Most of the time, when I'm measuring anyway, the air on that roof is about as dry as a popcorn fart.
Air moisture content as measured/correlated by the dew point temp. probably has an influence on the effective radiant sky temp. needed for measuring array to sky rad. heat trans. as the copious literature will confirm, a lot of which I have copies and some of which I had a hand in.
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