December 4, 2013

A nip in the air

Outside air temp is 15�F and it is going down. Ground surface temp is 10�F due to radiation cooling. Got a space heater going in the bathroom in the DaveCave(tm) and a faucet running here. Yes, it is Winter. Gorgeous crescent moon tonight -- clear skies. Posted by DaveH at December 4, 2013 9:38 PM
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