Pennsylvania March Temperatures Declining

It has been ridiculously cold in Philadelphia this month, with afternoon temperatures among the coldest on record.

Nighttime March temperatures have been declining in Pennsylvania since the 19th century.

And the likelihood of cold nights has been increasing since the 19th century.

It is cold here again today, but on this date in 1910 Philadelphia was 82 degrees, and more than half of the US was over 70 degrees. CO2 was 300 PPM at the time.

March 25 afternoon temperatures have dropped more than 10 degrees in Pennsylvania  since the 1920’s.

via The Deplorable Climate Science Blog

https://ift.tt/2pGl0if

March 25, 2018 at 11:05AM

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