Most Yearly Precipitation in St. Helena History

This is a list of the largest annual precipitation totals ever recorded in St. Helena, California history from 1907–2023.

What Was the Wettest Year in St. Helena History?

According to NOAA records, the most precipitation that St. Helena, California has ever received in a single calendar year is 75.4 inches which occurred in 1983.

St. Helena Precipitation by Year

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

Year	Rank	Precipitation (inches)
2023	63	30.7
2022	117	2.2
2021	102	18.3
2020	116	4.4
2019	85	24.0
2018	90	22.1
2017	59	32.1
2016	52	33.2
2015	109	13.2
2014	35	37.9
2013	115	4.7
2012	49	33.5
2011	57	32.6
2010	11	51.0
2009	73	27.8
2008	74	27.7
2007	100	19.4
2006	32	38.4
2005	18	43.2
2004	61	31.8
2003	40	36.5
2002	31	38.5
2001	26	39.8
2000	53	33.1
1999	71	29.2
1998	13	47.1
1997	72	28.2
1996	9	52.9
1995	4	57.6
1994	86	23.7
1993	37	37.4
1992	28	39.2
1991	60	32.0
1990	108	14.1
1989	96	20.6
1988	106	14.3
1987	111	10.4
1986	64	30.4
1985	82	25.3
1984	114	8.9
1983	1	75.4
1982	6	53.7
1981	44	34.6
1980	112	9.9
1979	67	30.1
1978	38	36.9
1977	94	21.3
1976	110	10.4
1975	54	33.0
1974	68	29.8
1973	7	53.4
1972	81	25.4
1971	93	21.4
1970	5	54.4
1969	12	49.7
1968	29	39.2
1967	27	39.6
1966	58	32.4
1965	62	30.9
1964	55	32.8
1963	39	36.7
1962	23	40.8
1961	78	26.2
1960	43	36.1
1959	101	18.5
1958	15	45.3
1957	41	36.5
1956	66	30.1
1955	34	38.0
1954	42	36.4
1953	80	25.5
1952	14	45.4
1951	47	34.1
1950	20	42.8
1949	98	20.4
1948	79	25.9
1947	95	21.2
1946	103	16.3
1945	30	38.9
1944	51	33.3
1943	84	24.5
1942	19	42.9
1941	8	53.1
1940	2	60.4
1939	107	14.2
1938	33	38.1
1937	25	39.9
1936	50	33.4
1935	65	30.3
1934	88	22.9
1933	76	27.5
1932	104	15.2
1931	48	33.5
1930	91	21.8
1929	87	22.9
1928	77	27.1
1927	24	40.6
1926	16	44.7
1925	56	32.7
1924	83	24.9
1923	105	14.6
1922	46	34.2
1921	70	29.5
1920	45	34.5
1919	69	29.5
1918	92	21.6
1917	97	20.5
1916	17	43.5
1915	10	52.3
1914	22	40.9
1913	21	42.3
1912	75	27.7
1911	36	37.8
1910	99	20.0
1909	3	58.2
1908	89	22.1
1907	113	9.6