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Oroville May Precipitation Totals

A time series of total precipitation in the month of May in Oroville, California from 1893–2022.

Rainiest May in Oroville History

The rainiest May in Oroville, California history happened in 1915, with 5.92 inches of total precipitation.

Driest May in Oroville History

There have been 12 times where no rain was recorded in Oroville, California for the entire month of May. The most recent time this happened was 2021.

Oroville Average May Precipitation by Year

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Year	Precipitation (inches)
2022	0.35
2021	0.00
2020	3.94
2019	3.86
2017	0.26
2016	0.37
2015	0.00
2014	0.58
2013	1.58
2010	1.09
2009	0.00
2008	0.02
2007	0.90
2006	0.59
2005	3.03
2004	0.11
2003	1.03
2002	2.68
2001	0.00
1999	0.27
1998	4.20
1997	0.60
1996	4.19
1995	1.98
1994	1.29
1993	2.81
1992	0.03
1991	1.33
1989	0.05
1988	0.98
1987	0.00
1986	3.04
1985	0.00
1984	0.06
1983	0.60
1975	0.10
1974	0.08
1973	0.23
1972	0.65
1971	1.14
1970	0.00
1969	0.00
1968	0.60
1967	0.35
1966	0.08
1965	0.52
1964	0.62
1963	1.29
1962	1.11
1961	0.97
1960	1.11
1959	0.36
1958	1.10
1957	1.59
1956	1.92
1955	0.05
1954	0.17
1953	2.27
1952	0.67
1951	2.93
1950	1.21
1949	1.05
1948	2.37
1947	0.22
1946	0.46
1945	2.34
1944	0.66
1943	0.04
1942	3.02
1941	1.31
1940	1.24
1939	1.78
1938	0.47
1937	0.04
1936	1.37
1935	0.80
1934	0.83
1933	1.13
1932	2.69
1931	1.12
1930	1.05
1929	0.00
1928	0.00
1927	0.89
1926	0.75
1925	1.20
1923	0.43
1922	1.28
1919	0.08
1918	0.47
1917	0.72
1916	1.01
1915	5.92
1914	0.82
1913	1.50
1912	2.20
1911	0.04
1910	0.00
1909	0.19
1908	1.68
1907	0.34
1906	3.85
1905	2.35
1904	0.00
1897	0.30
1896	2.08
1895	0.65
1894	2.85
1893	1.17

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