Tuesday, December 25, 2012

Lincoln's White Christmas Climatology

A "White Christmas" is traditionally defined as having "one or more inches of snow on the ground on the morning of December 25".  This year, December 25, 2012, there was officially 2 inches of snow on the ground, so Lincoln officially had a "White Christmas" in 2012.

Although monthly snowfall data exists back to 1900, daily data only exist from 1948 to present.

Looking at the 65 years of data (1948-2012) for December 25, Lincoln had one or more inches of snow on the ground 20 times or 30.8% of the 65 years.

Here are the December 25 snow cover rankings with "Value" = the amount of snow on the ground in inches on December 25.


Rank  Value  Year

  1      14   1983
  2      11   2000
  3      10   2009
  4       8   1973, 1952, 1948
  7       7   1968
  8       5   1961
  9       3   2008
 10       2   2012, 1997, 1981, 1980, 1969, 1962
 16       1   2007, 2001, 1974, 1957, 1949
 
Another interesting Christmas Day snow climatology is the number of Christmases that had measurable snowfall.  Measurable means 0.1 inches or larger.  Lincoln has only had 5 Christmas Days with measurable snowfall in last 65 years (1948-2012) which is only 7.7% of the time!  

Here are the rankings of measured snowfall on Christmas Day:

Rank    Value  Year

  1      9.5   2009
  2      1.3   1962 
  3      1.0   2000
  4      0.8   1957
  5      0.2   1997


 


 for the e climateHere are the December 25 sno



The photo below was taken on Christmas morning 2012 in Lincoln, NE.

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