Most Yearly Precipitation in San Luis Obispo History

This is a list of the largest annual precipitation totals ever recorded in San Luis Obispo, California history from 1893–2024.

What Was the Wettest Year in San Luis Obispo History?

According to NOAA records, the most precipitation that San Luis Obispo, California has ever received in a single calendar year is 49.9 inches which occurred in 1983.

Year to date though April 17, 2024: 12.1 inches

San Luis Obispo 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	91	12.1
2023	21	28.4
2022	101	9.6
2021	81	15.3
2020	107	7.9
2019	62	18.7
2018	89	12.5
2017	53	20.0
2016	77	15.9
2015	110	7.3
2014	97	10.5
2013	113	3.2
2012	75	16.1
2011	63	18.7
2010	13	33.0
2009	79	15.6
2008	84	14.4
2007	102	8.9
2006	44	22.0
2005	32	24.7
2004	47	21.7
2003	87	13.2
2002	99	10.1
2001	54	20.0
2000	43	22.0
1999	92	12.0
1998	10	35.9
1997	30	25.0
1996	8	37.6
1995	5	41.5
1994	56	19.6
1993	24	28.0
1992	36	23.7
1991	39	22.8
1990	111	6.9
1989	105	8.1
1988	67	17.2
1987	68	17.1
1986	34	24.4
1985	94	11.7
1984	93	11.7
1983	1	49.9
1982	12	34.9
1981	40	22.4
1980	20	28.4
1979	41	22.4
1978	3	44.9
1977	74	16.1
1976	69	16.9
1975	58	19.3
1974	25	27.9
1973	6	39.2
1972	85	14.4
1971	80	15.4
1970	26	27.7
1969	2	48.8
1968	60	19.0
1967	19	28.5
1966	71	16.7
1965	46	21.8
1964	57	19.4
1963	28	26.9
1962	37	23.5
1961	90	12.2
1960	52	20.2
1959	95	11.6
1958	16	29.3
1957	48	21.3
1956	86	13.5
1955	35	24.3
1954	45	21.8
1953	100	9.9
1952	18	28.8
1951	61	18.7
1950	50	21.1
1949	70	16.8
1948	73	16.4
1947	109	7.4
1946	64	18.5
1945	42	22.3
1944	31	24.8
1943	27	27.0
1942	72	16.4
1941	4	44.5
1940	15	30.7
1939	88	12.6
1938	29	25.3
1937	14	31.4
1936	22	28.2
1935	38	23.0
1934	76	16.0
1933	49	21.3
1932	82	14.9
1931	17	29.3
1930	66	17.4
1929	104	8.8
1928	55	19.8
1927	98	10.5
1926	115	0.0
1925	115	0.0
1924	115	0.0
1923	115	0.0
1922	115	0.0
1921	115	0.0
1920	115	0.0
1919	115	0.0
1918	115	0.0
1917	103	8.8
1916	11	35.6
1915	33	24.7
1914	23	28.1
1913	83	14.8
1912	112	6.6
1911	9	36.4
1910	96	11.0
1909	7	38.6
1908	78	15.8
1907	108	7.7
1906	114	0.6
1905	115	0.0
1904	115	0.0
1903	115	0.0
1902	115	0.0
1901	115	0.0
1900	115	0.0
1899	115	0.0
1898	115	0.0
1897	115	0.0
1896	106	7.9
1895	65	18.3
1894	59	19.2
1893	51	20.4