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Casper December Precipitation Totals

A time series of total precipitation in the month of December in Casper, Wyoming from 1900–2023.

Rainiest December in Casper History

The rainiest December in Casper, Wyoming history happened in 1982, with 3.71 inches of total precipitation.

Driest December in Casper History

The driest December in Casper, Wyoming history happened in 1952, with just 0.03 inches of total precipitation.

Casper Average December Precipitation by Year

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Year	Precipitation (inches)
2023	0.06
2022	0.74
2021	0.63
2020	0.68
2019	0.60
2018	0.40
2017	1.37
2016	1.31
2015	1.06
2014	1.25
2013	1.20
2012	0.39
2011	0.71
2010	1.36
2009	0.97
2008	0.38
2007	0.74
2006	0.57
2005	0.29
2004	0.07
2003	0.39
2002	0.19
2001	0.13
2000	0.36
1999	0.10
1998	0.10
1997	0.53
1996	0.51
1995	0.34
1994	0.37
1993	0.68
1992	0.88
1991	0.34
1990	0.61
1989	0.31
1988	0.50
1987	0.63
1986	0.27
1985	1.05
1984	0.78
1983	0.75
1982	3.71
1981	0.43
1980	0.37
1979	0.36
1978	1.20
1977	0.71
1976	0.38
1975	0.72
1974	0.22
1973	0.55
1972	0.41
1971	0.34
1970	0.89
1969	0.16
1968	0.71
1967	0.82
1966	0.57
1965	0.87
1964	0.47
1963	0.31
1962	0.23
1961	0.62
1960	0.47
1959	0.25
1958	0.23
1957	0.43
1956	0.59
1955	1.04
1954	0.32
1953	0.74
1952	0.03
1951	0.42
1950	0.26
1949	0.48
1948	0.63
1938	0.53
1937	0.66
1936	0.82
1935	0.67
1934	0.40
1933	0.05
1932	0.99
1931	0.50
1921	1.71
1920	0.92
1918	0.50
1917	0.35
1915	1.30
1914	0.19
1913	1.10
1911	1.05
1910	0.20
1909	1.75
1900	0.81

Its possible for precipitation totals to include both rain and melted snowfall
Months with more than 10% missing data are excluded