Warm and Dry March Breaks Records

Very warm weather in March led to an early snowmelt across Upper Michigan. A look at the numbers reveals just how unusual March was. The average temperature at the National Weather Service office located in Negaunee Township was 34.7F degrees which was 10.1 degrees above normal. This ranks March 2010 as the warmest March on record. It was also dry. Only 0.28 inches of precipitation was recorded, ranking March 2010 as the driest on record. As would be expected with the warmth and dryness, there was a lack of snowfall. Only 0.3 inches of snow was recorded, ranking March 2010 as the least snowy on record. Normal precipitation for March is 3.13 inches, and normal snowfall is 31.8 inches. To end the month, the 70 degree high temperature on March 31st was the second warmest recorded in March. The warmest high temperature was set on March 8th, 2000 when the temperature topped out at 71.

For March, the top 10 warmest, driest and least snowy are:

                     Average
   Rank    Temperature    Year                             Rank    Precipitation    Year                             Rank   Snowfall   Year
      1.               34.7             2010                               
1.               0.28            2010                                1.            0.3        2010
      2.               33.1             1973                               2.               0.32            1974                                2.            2.6        1974
      3.               32.8             2000                               3.               0.56            1978, 1980                     3.            3.0        1973
      4.               30.1             1977, 1987                    4.               0.86            1967                                4.            5.5        1967 
      5.               28.7             1968                               5.               0.95            1962                                5.            5.9        1968
      6.               28.5             1990, 2007                    6.               0.96            2009                                6.            7.0        1980
      7.               28.2             1995                               7.               0.99            1993                                7.            8.1        1962, 2009
      8.               27.3             1994, 2006                    8.               1.04            1999                                8.            9.0        1978
      9.               27.2             1981                               9.               1.15            1970                                9.          11.5        1970
    10.               26.8             1999                            10.               1.18            1968                              10.          12.8        1977

Weather records for the National Weather Service office located in Negaunee Township date back to 1961.

It was an unusually warm March elsewhere in the Upper Great Lakes region. The average temperature for March was 12.7 degrees above normal at Sault Ste Marie, MI and 11.6 degrees above normal at Duluth, MN.



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