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Napa October Precipitation Totals

A time series of total precipitation in the month of October in Napa, California from 1901–2023.

Rainiest October in Napa History

The rainiest October in Napa, California history happened in 1962, with 10.37 inches of total precipitation.

Driest October in Napa History

There have been 17 times where no rain was recorded in Napa, California for the entire month of October. The most recent time this happened was 2022.

Napa Average October Precipitation by Year

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Year	Precipitation (inches)
2023	0.45
2022	0.00
2021	6.73
2020	0.00
2019	0.00
2018	0.00
2017	0.19
2016	3.81
2015	0.20
2014	0.75
2013	0.00
2012	1.36
2011	1.16
2010	2.16
2009	4.14
2008	0.28
2007	2.00
2006	0.12
2005	0.00
2004	2.07
2003	0.00
2002	0.00
2001	0.40
2000	1.61
1999	0.47
1998	0.76
1997	1.26
1996	1.94
1995	0.00
1994	1.31
1993	1.15
1992	3.09
1991	2.47
1990	0.23
1989	1.48
1988	0.11
1987	1.52
1986	0.26
1985	0.78
1984	2.03
1983	0.77
1982	3.63
1981	2.64
1980	0.24
1979	3.59
1978	0.00
1977	0.49
1976	0.46
1975	3.64
1974	1.04
1973	1.64
1972	3.34
1971	0.09
1970	1.55
1969	3.14
1968	1.62
1967	0.80
1966	0.00
1965	0.03
1964	1.48
1963	2.83
1962	10.37
1961	0.14
1960	0.23
1959	0.00
1958	0.15
1957	2.88
1956	0.88
1955	0.07
1954	0.15
1953	0.44
1952	0.00
1951	1.24
1950	3.17
1949	0.00
1948	0.90
1947	4.65
1946	0.34
1945	3.40
1944	1.58
1943	0.66
1942	1.15
1941	2.60
1940	1.26
1939	0.49
1938	1.49
1937	1.23
1936	0.30
1935	2.10
1934	1.52
1933	2.19
1932	0.00
1931	0.66
1930	1.60
1929	0.04
1928	0.07
1927	2.21
1926	2.31
1925	0.56
1924	3.20
1923	0.26
1922	3.86
1921	0.62
1920	1.91
1919	0.37
1918	0.43
1917	0.00
1914	1.11
1913	0.51
1912	0.54
1911	0.53
1910	0.84
1907	0.62
1906	0.00
1904	2.63
1901	1.32

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