Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Year	Jan.	Feb.	Mar.	Apr.	May.	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Ann.
1950	0	0	0	0	0	0	0	0	0	0	0	0	0
1951	0	0	0	1	1	0	0	0	0	0	0	0	2
1952	0	0	1	0	0	0	0	0	0	0	0	0	1
1953	0	0	1	0	0	1	0	2	0	0	0	0	4
1954	0	0	0	0	2	3	0	0	0	0	0	0	5
1955	0	0	0	2	4	1	1	0	0	0	0	0	8
1956	0	0	0	0	3	0	0	1	0	0	0	0	4
1957	0	0	0	1	1	0	0	1	2	1	0	0	6
1958	0	0	1	1	0	0	0	1	0	0	1	0	4
1959	0	0	0	2	0	0	0	0	0	0	0	0	2
1960	0	0	0	0	1	0	0	0	0	0	0	0	1
1961	0	0	0	2	2	0	1	0	0	0	0	0	5
1962	0	0	0	1	1	2	0	2	0	0	0	0	6
1963	0	0	0	0	1	0	0	0	0	0	0	0	1
1964	0	0	0	4	0	0	0	0	0	0	0	0	4
1965	0	0	0	0	1	0	0	0	0	0	0	0	1
1966	0	0	0	2	0	0	0	0	0	0	0	0	2
1967	0	0	0	2	3	0	0	0	0	0	0	0	5
1968	0	0	0	0	3	0	0	0	0	0	0	0	3
1969	0	0	0	0	0	0	0	1	0	0	0	0	1
1970	0	0	0	0	0	0	0	1	1	0	0	0	2
1971	0	0	0	0	1	0	0	0	0	0	0	0	1
1972	0	0	2	0	0	0	0	2	0	0	0	0	4
1973	0	0	1	0	0	0	0	0	0	0	0	0	1
1974	0	0	0	1	0	0	0	1	0	0	0	0	2
1975	0	0	0	0	1	0	0	0	0	0	0	0	1
1976	0	0	0	3	2	1	0	0	0	0	0	0	6
1977	0	0	0	2	6	0	0	0	1	0	0	0	9
1978	0	0	0	2	1	0	0	0	0	0	0	0	3
1979	0	0	0	8	3	1	0	0	0	0	0	0	12
1980	0	0	0	7	3	0	0	0	0	0	0	0	10
1981	0	0	1	0	4	0	0	0	0	0	0	0	5
1982	0	0	0	0	5	0	0	0	0	0	0	0	5
1983	0	0	0	0	1	2	0	0	0	0	0	0	3
1984	0	0	0	0	0	0	0	0	0	0	0	0	0
1985	0	0	0	2	0	0	0	0	0	0	0	0	2
1986	0	0	0	0	10	0	0	0	1	0	0	0	11
1987	0	0	0	0	1	0	0	0	0	0	0	0	1
1988	0	0	0	0	0	0	0	0	0	0	0	0	0
1989	0	0	1	0	2	0	0	0	0	0	0	0	3
1990	0	0	0	1	3	0	0	0	0	0	0	0	4
1991	0	0	0	0	0	0	0	0	0	0	0	0	0
1992	0	0	2	0	0	3	0	0	0	0	0	0	5
1993	0	0	2	1	5	0	0	0	0	1	0	0	9
1994	0	1	0	2	2	0	0	1	0	0	0	0	6
1995	0	0	0	6	3	14	0	0	0	0	0	0	23
1996	0	0	0	0	0	0	0	0	0	0	0	0	0
1997	0	0	0	0	2	2	0	2	0	0	0	0	6
1998	0	0	0	2	0	0	0	0	0	0	0	0	2
1999	0	0	0	0	1	0	0	1	0	0	0	0	2
2000	0	1	0	4	2	1	1	0	0	0	0	0	9
2001	0	0	0	1	4	0	0	0	0	0	0	0	5
2002	0	0	0	0	1	0	0	0	0	0	0	0	1
2003	0	0	0	4	1	0	0	0	0	0	0	0	5
2004	0	0	0	1	0	0	0	0	0	1	0	0	2
2005	0	0	0	0	3	1	0	0	1	0	0	0	5
2006	0	0	0	1	1	0	0	0	0	0	0	0	2
2007	0	0	0	1	0	0	0	1	0	0	0	0	2
2008	0	0	0	2	0	0	0	0	0	0	0	0	2
2009	0	0	0	0	0	0	0	0	0	0	0	0	0
2010	0	0	0	0	0	0	0	0	0	0	0	0	0
2011	0	0	0	0	1	0	0	0	0	0	1	0	2
2012	0	0	0	0	1	0	0	0	0	0	0	0	1
2013	0	0	0	2	0	0	0	0	0	0	0	0	2
2014	0	0	0	0	1	0	0	0	0	0	0	0	1
2015	0	0	0	1	13	0	0	0	0	0	0	0	14
2016	0	0	0	0	0	0	0	0	0	0	0	0	0
2017	0	0	1	1	4	0	0	0	0	0	0	0	6
2018	0	0	0	0	1	0	0	0	0	0	0	0	1
2019	0	0	0	2	1	0	0	0	0	0	0	0	3
2020	0	0	0	0	5	0	0	0	0	0	0	0	5
2021	0	0	2	7	0	0	0	0	0	0	0	0	9
2022	0	0	0	0	4	0	0	0	0	0	0	0	4
2023	0	0	0	0	1	1	0	0	0	0	0	0	2
2024	0	0	1	5	2	0	0	0	0	0	1	0	9
Total	0	2	16	87	125	33	3	17	6	3	2	0	295
Average	0.0	0.0	0.2	1.2	1.7	0.4	0.0	0.2	0.1	0.0	0.0	0.0	3.9
Most	0	1	2	8	13	14	1	2	2	1	1	0	23
Year	None	1994 2000	1993 1992 1972 2021	1979	2015	1995	1961 1955	1997 1972 1962 1953	1957	2004 1993 1957	2024 2011 1958	None	1995
Preliminary Numbers for 2025
2025	0	-	-	-	-	-	-	-	-	-	-	-	0

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