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Petaluma April Precipitation Totals

A time series of total precipitation in the month of April in Petaluma, California from 1893–2023.

Rainiest April in Petaluma History

The rainiest April in Petaluma, California history happened in 1926, with 6.62 inches of total precipitation.

Driest April in Petaluma History

The driest April in Petaluma, California history happened in 1949, when no precipitation was recorded for the entire month.

Petaluma Average April Precipitation by Year

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Year	Precipitation (inches)
2023	0.30
2022	2.07
2021	0.05
2020	1.07
2019	0.61
2018	4.55
2017	2.76
2016	1.05
2015	1.27
2014	1.61
2013	1.15
2012	1.56
2011	0.55
2010	4.05
2009	0.54
2008	0.08
2007	1.36
2006	4.99
2005	1.54
2004	0.41
2003	3.34
2002	0.56
2001	1.22
2000	1.65
1999	2.04
1998	2.95
1997	0.30
1996	3.40
1995	1.35
1994	1.51
1991	0.46
1990	0.31
1989	1.08
1988	1.24
1987	0.08
1986	1.15
1985	0.54
1984	1.33
1983	4.59
1982	3.28
1981	0.07
1980	1.08
1979	1.17
1978	3.68
1977	0.06
1976	1.51
1975	1.13
1974	2.30
1973	0.08
1972	1.08
1971	0.85
1970	0.17
1969	2.52
1968	0.32
1967	4.96
1966	0.46
1965	3.57
1964	0.08
1963	4.58
1962	0.43
1961	1.15
1960	1.01
1959	0.35
1958	5.72
1957	1.50
1956	2.23
1955	3.34
1954	1.55
1953	3.04
1952	0.70
1951	0.74
1950	1.20
1949	0.00
1948	5.11
1947	0.69
1946	0.29
1945	0.03
1944	2.12
1943	1.47
1942	4.50
1941	5.43
1940	2.14
1939	0.15
1938	1.93
1937	1.00
1936	1.30
1935	3.22
1934	0.74
1933	0.15
1932	0.89
1931	0.63
1930	1.30
1929	1.08
1928	1.82
1926	6.62
1924	0.23
1923	4.56
1921	0.35
1920	1.71
1919	0.19
1918	0.64
1917	0.63
1916	0.02
1915	0.45
1914	1.04
1913	1.01
1895	0.61
1894	0.69
1893	1.24

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