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Overcast sky

Please find below a selection of relevant articles from AEC companies and organizations for overcast sky. SunPipe Testimonials ...OH (installed in garage - 9/99) "Dear Sirs, Yesterday, two things happened. We had national elections, but, more importantly to me, my SunPipe was installed! Right now, with an overcast sky and rain falling, I'm sitting at my breakfast bar with only the SunPipe for illumination. I can even read the fine print on your invoice without difficulty!... See #1. Xtralite Rooflghts ...Sky The standard CIE intermediate sky is a somewhat hazy variant of the clear sky. The sun is not as bright as with the clear sky and the brightness changes are not as drastic. Overcast Sky The luminance of the standard CIE overcast sky changes with altitude. It is three times as bright in the zenith as it is near the horizon. The overcast... See #2. 1: http://www.sunpipe.com [c869851] 2: http://www.xtralite.co.uk [c1184909]