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Lewiston October Precipitation Totals

A time series of total precipitation in the month of October in Lewiston, Idaho from 1894–2023.

Rainiest October in Lewiston History

The rainiest October in Lewiston, Idaho history happened in 1940, with 3.24 inches of total precipitation.

Driest October in Lewiston History

There have been 2 times where no rain was recorded in Lewiston, Idaho for the entire month of October. The most recent time this happened was 1987.

Lewiston Average October Precipitation by Year

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Year	Precipitation (inches)
2023	1.43
2022	1.36
2021	0.76
2020	0.92
2019	0.91
2018	1.00
2017	1.17
2016	2.66
2015	0.75
2014	0.99
2013	0.09
2012	2.15
2011	1.00
2010	1.20
2009	0.76
2008	0.39
2007	1.08
2006	0.42
2005	1.57
2004	1.42
2003	0.29
2002	0.77
2001	1.86
2000	1.18
1999	1.23
1998	0.62
1997	1.77
1996	1.12
1995	2.40
1994	1.10
1993	0.67
1992	0.67
1991	0.15
1990	1.18
1989	0.63
1988	0.17
1987	0.00
1986	0.30
1985	0.60
1984	0.91
1983	0.87
1982	1.98
1981	1.41
1980	0.68
1979	1.57
1978	0.00
1977	0.55
1976	1.13
1975	1.92
1974	0.06
1973	1.64
1972	1.20
1971	1.01
1970	0.89
1969	1.10
1968	1.34
1967	0.88
1966	0.97
1965	0.34
1964	0.94
1963	0.58
1962	1.62
1961	0.61
1960	1.42
1959	0.94
1958	1.06
1957	1.80
1956	1.32
1955	1.83
1954	0.36
1953	0.40
1952	0.03
1951	2.10
1950	2.79
1949	0.35
1948	0.40
1947	2.28
1946	0.85
1945	0.62
1944	0.32
1943	1.23
1942	0.73
1941	1.21
1940	3.24
1939	1.01
1938	1.70
1937	1.23
1936	0.09
1935	1.32
1934	1.42
1899	2.27
1895	0.04
1894	2.54

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