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Interior August Precipitation Totals

A time series of total precipitation in the month of August in Interior, South Dakota from 1955–2023.

Rainiest August in Interior History

The rainiest August in Interior, South Dakota history happened in 2019, with 4.22 inches of total precipitation.

Driest August in Interior History

The driest August in Interior, South Dakota history happened in 1973, with just 0.16 inches of total precipitation.

Interior Average August Precipitation by Year

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Year	Precipitation (inches)
2023	1.65
2022	0.40
2021	0.90
2020	1.04
2019	4.22
2018	2.30
2017	0.36
2016	2.68
2015	1.93
2014	1.37
2013	3.50
2012	0.35
2011	1.82
2010	1.38
2009	0.99
2008	0.37
2007	3.01
2006	1.69
2005	1.53
2004	0.43
2003	0.43
2002	1.81
2001	1.04
2000	1.03
1999	3.40
1998	2.33
1997	2.97
1996	0.97
1995	0.82
1994	3.10
1993	2.51
1992	1.33
1991	2.26
1990	1.58
1989	0.74
1988	0.98
1987	1.36
1986	2.93
1985	1.46
1984	1.30
1983	1.08
1982	1.87
1981	2.74
1980	1.58
1979	2.15
1978	3.13
1977	1.27
1976	1.67
1975	1.20
1974	2.27
1973	0.16
1972	2.54
1971	0.74
1970	0.43
1969	0.79
1968	3.06
1967	0.59
1966	2.01
1965	1.58
1964	1.60
1963	0.70
1962	0.79
1961	0.45
1960	2.43
1959	0.22
1958	0.69
1957	1.77
1956	2.41
1955	1.25

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