Nov 16, 2015

Mysterious case of the "warm" winter nights

Usually by this late in the fall ...

Temperatures at night have pretty much dropped below 70 degrees.

This calendar chart shows the historical record of "summer like" nights in Naples Florida from 1942 to present.  Anywhere you see a gray or warm dot is where nighttime temperatures stayed uncomfortably hot (i.e. above 70 degrees).  I'm not sure what explains the cooling off period from 1960 to the 1990s.

Yes it's not unusual to have a night or two not drop below 70 degrees.

But never can I remember a year that nights have stayed muggy for so long after Columbus Day and consistently as we've had this fall.

More perplexing yet, I don't hear of any relief in sight.

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