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Showing posts from December, 2015

Warmest December ends a warm year

Preliminary climate summary for December 2015: For the 4th consecutive month Minnesota recorded warmer than normal temperatures. Observers reported mean monthly temperatures for December that were from 8 to 12 degrees F above normal, marking the warmest December in history on a statewide basis, surpassing the previous record from December 1939.  Extremes for the month ranged from 53F at Marshall on the 9th to -11F at Thief River Falls on the 28th. On a statewide basis December of 2015 was the 2nd wettest in history, with an average value of nearly 1.90 inches.  Some observers reported their wettest December in history, including: 4.09" at Two Harbors; 4.90" at Caledonia; 5.38" at La Crescent; 4.28" at Preston; and 4.00 inches at Spring Grove.  Snowfall amounts for the month ranged from 3 to 10 inches, with many northern locations receiving over a foot.  For the Twin Cities specifically, December of 2015 was the 2nd warmest in history, surpassed only by 1877.