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clear sky clocks...

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Posted by Christian Kiely on March 4, 2006 at 12:47 PM
I've recently found an interesting tool that has been reasonably helpful for me. It is intented to be used as a tool to figure out of there will be a "clear sky" for astronomy puposes.

I typically want to know what the conditions would be at sunset for a given place, particularly the beach to know if a marine layer is going to blow in.

There are probably over a hundred locations on this site: California Clear Sky Clocks

Examples
Glacier Point - Yosemite NP
Cottonwood Campground - Joshua Tree NP
Laguna Beach