December Continues Cold and Snowy

The cold and snowy weather experienced for most of the month will continue through the 22nd and very likely through Christmas.  Temperatures will remain below freezing during this time…guaranteeing a white Christmas for Indianapolis.  Currently no major snow storms are expected in the Indianapolis area through Thursday.

The first half of December was among the colder and snowier of record.  The average temperature through the 16th was 23 degrees…the coldest start to December at Indianapolis since 1958.   The average temperature for first 22 days of December will remain 23 degrees or less… making December 2010 the coldest since 2005 or possibly 2000.  The normal average temperature through the first 22 days of December is 33 degrees.

Snowfall on the 16th brought the total at the airport to 10.7 inches for the month… similar to December 2007.  On average, the Indianapolis area receives 4.2 inches of snowfall from December 1 – December 22.  At 7 am EST Friday, snow depth was 4 inches at the airport. 

Below are the 10 years with the lowest December 1-22 average temperatures and highest snowfall totals.

Indianapolis Area

Extremes

Lowest Average Average Temperature degrees F

Days: 12/1 - 12/22

Length of period: 22 days

Years: 1871-2010

 

Rank  Value  Ending Date

  1    17.2   12/22/1989

  2    18.6   12/22/1963

  3    20.6   12/22/1958

  4    22.1   12/22/2000

  5    22.3   12/22/1945

  6    22.5   12/22/2005

  7    22.6   12/22/1876

  8    22.8   12/22/1985, 12/22/1917

 10    23.7   12/22/1950, 12/22/1942, 12/22/1901

 

Indianapolis Area

Extremes

Highest Total Snowfall inches

Days: 12/1 - 12/22

Length of period: 22 days

Years: 1884-2010

 

Rank  Value  Ending Date

  1    14.8   12/22/1977

  2    14.7   12/22/1973

  3    13.2   12/22/2000, 12/22/1981

  5    12.9   12/22/1996

  6    11.5   12/22/2005

  7    11.0   12/22/1914

  8    10.7   12/22/2010 through December 16

  9    10.5   12/22/2007

 10    10.2   12/22/1995



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