Denvers Winter/Cold Season Statistics

Denver's Winter/Cold Season Statistics

Autumn First Freeze Information

Earliest Date of First Freeze:	September 8, 1962
Latest Date of First Freeze:	November 15, 1944
Average Date:	October 7th

First Freeze Last 10 Years:
October 17, 2011
October 27, 2010
October 2, 2009
October 13, 2008
October 8, 2007
September 18, 2006
October 5, 2005
October 14, 2004
September 14, 2003
October 4, 2002

Autumn First Snow Information

Earliest Date of First Snow:	September 3, 1961
Latest Date of First Snow:	November 21, 1934
Average Date:	October 19th

First Measurable Snow Last 10 Years:
October 25, 2011
November 15, 2010
October 21, 2009
November 14, 2008
October 22, 2007
October 18, 2006
October 10, 2005
November 1, 2004
November 5, 2003
October 25, 2002

Spring Last Freeze Information

Earliest Date of Last Freeze:	April 5, 1977
Latest Date of Last Freeze:	Jun 8, 2007
Average Date:	May 5th

Latest Freeze for the past 10 Years:
April 16, 2012
May 5, 2011
May 13, 2010
May 5, 2009
May 11, 2008
June 8, 2007
May 10, 2006
May 12, 2005
May 14, 2004
May 11, 2003

Spring Snow Information

Earliest Date of Last Snow:	March 4, 1887
Latest Date of Last Snow:	June 12, 1947
Average Date:	April 26th

Date of Last Measurable Snow Last 10 Years:
April 3, 2012
May 11, 2011
May 12, 2010
April 27, 2009
May 14, 2008
April 14, 2007
May 10, 2006
May 2, 2005
April 30, 2004
May 10, 2003

Seasonal Snowfall Amounts

Greatest Seasonal Snowfall:	118.7 inches 1908-1909
Least Seasonal Snowfall:	21.3 inches 1888-1889
Average Seasonal Snowfall (1882-2012)	57.5 inches

Seasonal Snowfall Last 10 Years:

Season	Snowfall (Inches)
2011-2012	55.6
2010-2011	22.8
2009-2010	60.6
2008-2009	38.1
2007-2008	46.3
2006-2007	72.6
2005-2007	30.4
2004-2005	39.3
2003-2004	38.0
2002-2003	61.8

Consecutive Days of 1" or more of
Snow on the Ground (1900-Present)

Rank	# of Days	End Date
1	63	Jan 27, 1984
2	61	Feb 19, 2007
3	60	Jan 29, 1914
4	48	Feb 9, 1983
5	43	Jan 30, 1974
6	38	Jan 30, 1988
7	35	Feb 5, 1949
8	33	Jan 18, 1919
9	32	Jan 8, 2008
10	27	Feb 23, 1989

Biggest Denver Snowstorms (1881-Present)

Snowfall (Inches)	Dates
45.7	Dec 1-5, 1913
31.8	Mar 17-19, 2003
30.4	Nov 2-4, 1946
23.8	Dec 24, 1982
23.0	Apr 23, 1885
22.7	Oct 20-23, 1906
21.9	Oct 24-25, 1997
21.5	Nov 26-27, 1983
20.7	Dec 20-21, 2006
19.3	Jan 29-31, 1883
19.0	Apr 24-25, 1935
18.7	Mar 5-6, 1983
18.5	Mar 20-22, 1944
18.2	Apr 17-19, 1920
18.0	Mar 19-20, 1907
18.0	Mar 31-Apr 1, 1891
17.7	Nov 19-21, 1979
17.3	Apr 2, 1957
16.9	Mar 20-21, 1952
16.8	Apr 20-22, 1933
16.5	Sep 26-28, 1936
16.0	Oct 3-5, 1969
15.9	Feb 2-4, 2012
15.8	Apr 26-27, 1972

National Weather Service Weather Forecast Office