Most Yearly Precipitation in Casper History

This is a list of the largest annual precipitation totals ever recorded in Casper, Wyoming history from 1900–2024.

What Was the Wettest Year in Casper History?

According to NOAA records, the most precipitation that Casper, Wyoming has ever received in a single calendar year is 21.2 inches which occurred in 1923.

Year to date though April 24, 2024: 2.7 inches

Casper Precipitation by Year

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Precipitation (inches)
2024	108	2.7
2023	19	15.4
2022	41	13.4
2021	27	14.5
2020	104	5.8
2019	30	14.5
2018	45	13.1
2017	32	14.1
2016	17	15.6
2015	43	13.3
2014	56	12.1
2013	21	15.1
2012	97	7.9
2011	42	13.3
2010	52	12.6
2009	15	15.8
2008	62	11.9
2007	25	14.8
2006	75	10.8
2005	68	11.2
2004	85	9.9
2003	46	13.1
2002	100	7.0
2001	101	6.8
2000	77	10.7
1999	91	8.9
1998	29	14.5
1997	58	12.0
1996	74	10.8
1995	3	18.9
1994	35	14.0
1993	14	15.9
1992	88	9.4
1991	55	12.4
1990	54	12.5
1989	36	13.8
1988	102	6.6
1987	48	13.0
1986	13	15.9
1985	66	11.7
1984	40	13.4
1983	5	18.4
1982	2	20.5
1981	73	10.8
1980	89	9.3
1979	53	12.6
1978	8	17.6
1977	82	10.0
1976	61	11.9
1975	60	11.9
1974	69	11.0
1973	22	15.1
1972	64	11.9
1971	24	15.0
1970	59	12.0
1969	78	10.7
1968	63	11.9
1967	20	15.3
1966	95	8.1
1965	57	12.1
1964	71	10.9
1963	96	7.9
1962	33	14.0
1961	84	10.0
1960	99	7.3
1959	76	10.8
1958	79	10.4
1957	12	16.1
1956	91	8.9
1955	67	11.3
1954	98	7.7
1953	86	9.7
1952	83	10.0
1951	70	10.9
1950	49	12.7
1949	72	10.9
1948	105	4.1
1947	113	0.0
1946	113	0.0
1945	113	0.0
1944	113	0.0
1943	113	0.0
1942	113	0.0
1941	113	0.0
1940	109	1.0
1939	94	8.5
1938	81	10.0
1937	37	13.7
1936	34	14.0
1935	38	13.5
1934	50	12.7
1933	39	13.4
1932	26	14.7
1931	18	15.5
1930	23	15.0
1929	9	17.2
1928	10	16.5
1927	7	18.1
1926	4	18.7
1925	47	13.1
1924	31	14.2
1923	1	21.2
1922	6	18.3
1921	11	16.4
1920	16	15.7
1919	111	0.9
1918	87	9.5
1917	51	12.7
1916	93	8.8
1915	65	11.8
1914	90	9.1
1913	103	6.4
1912	44	13.1
1911	80	10.4
1910	112	0.2
1909	107	3.1
1908	113	0.0
1907	113	0.0
1906	113	0.0
1905	113	0.0
1904	113	0.0
1903	113	0.0
1902	106	3.6
1901	28	14.5
1900	110	0.9