WFO Denver/Boulder

                 NATIONAL WEATHER SERVICE - DENVER, COLORADO
            MONTHLY TEMPERATURE, RAINFALL, AND SNOWFALL EXTREMES
                                FOR DECEMBER

10 WARMEST DECS           10 WETTEST DECS           10 SNOWIEST DECS
  (1872-2013)               (1872-2013)               (1882-2013)

 43.8   1933               5.21   1913               57.4   1913 #
 41.2   1980               2.84   1973               30.8   1973
 40.8   1939               2.34   1982               29.4   2006
 40.5   1889               2.32   1883               27.1   1982
 39.8   1906               1.70   1876               21.5   1987
 39.6   1946, 1957         1.56   1891               20.9   2007
 39.5   1881               1.50   1960               19.6   1918
 39.3   1890               1.42   1924               18.4   1924
 38.9   1875               1.40   1918               17.8   1960
 38.8   1896               1.32   1892               17.5   1891

10 COLDEST DECS           10 DRIEST DECS            LEAST SNOWIEST DECS
  (1872-2013)               (1872-2013)                 (1882-2013)

                                                       0    1881 **
 17.5   1983               0.00   1881 *               T    1905, 1906, 2002
 21.2   1909                 T    1905                0.1   1928
 22.1   1878               0.01   1895, 1906          0.4   1890
 22.9   1873               0.03   1931, 1977          0.5   1935
 23.2   1913               0.04   1890                0.6   1995      
 23.6   1932               0.05   2002                0.7   1895, 1977      
 24.4   1914               0.06   1928, 1957, 1995    0.8   1888, 1931, 1957
 24.6   1884, 1978         0.09   1888, 1946, 1970    0.9   1970            
 24.9   1972               0.10   1880, 1945, 1980    1.2   1945, 1962, 1980
 25.4   1992               0.14   1887, 2001          1.8   1887, 1996

- Temperatures in degrees Fahrenheit.

- Precipitation and Snowfall amounts in inches.

- Average December Temperature is 30.0 degrees (from 1981-2010 DIA data).

- Average December Precipitation is 0.35 inches (from 1981-2010 DIA data).

- Average December Snowfall is 8.5 inches (from 1981-2010 DEN data).

# Snowiest Month in Denver History.

* Driest Month in Denver History.

** Although 1881 is before snow records began, if there was zero liquid 
   precipitation, then there could not have been any snowfall.  Therefore, 
   1881 must also be December's least snowiest month with zero snowfall.

- Data collected at the Downtown City Office from 1872-December 1949, then
  at the Stapleton Airport Office from January 1950-February 1995, then at
  Denver International Airport from March 1995-Present.


UPDATED 1/2/2014 WFO BOU

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