Do not sleep on this: Summer nights were hottest on record | PaysToPost.com: If you tossed and turned this summer because of the oppressive heat, heres why:
This summers nighttime temperature, when averaged nationwide for June, July and August, was the hottest ever, recorded at 60.9 degrees, the National Oceanic and Atmospheric Administration said Thursday.
In fact, every state had an above-average summer minimum temperature.
Climate scientists define summer as the three months from June 1 through Aug. 31. U.S. climate records go back to 1895.
The inability of the atmosphere to cool off at night is a sign of global warming, driven by man-made climate change, NOAA said.
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