Temperature in contiguous United States plunged 2.9F from 2012 to 2013 per NCDC

1/16/14, "NCDC: Contiguous US average temperature plummeted 2.9F in 2013,"
Tom Nelson

 
"NCDC 2012 Overview:

In 2012, the contiguous United States (CONUS) average annual temperature of 55.3°F

NCDC 2013 Overview:

In 2013, the contiguous United States (CONUS) average temperature of 52.4°F"

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