Most Yearly Precipitation in Interior History

This is a list of the largest annual precipitation totals ever recorded in Interior, South Dakota history from 1949–2024.
What Was the Wettest Year in Interior History?
According to NOAA records, the most precipitation that Interior, South Dakota has ever received in a single calendar year is 29.5 inches which occurred in 2019.
Year to date though March 23, 2024: 0.6 inches
Interior Precipitation by Year
  • Years marked with a gold background have more than 5% incomplete data
  • Click column headers to sort
Year Rank Precipitation (inches)
2024 70 0.6
2023 12 22.0
2022 43 14.4
2021 42 14.7
2020 65 11.6
2019 1 29.5
2018 14 21.3
2017 52 13.2
2016 31 15.9
2015 9 24.1
2014 27 17.4
2013 3 26.4
2012 59 12.6
2011 15 20.5
2010 21 18.2
2009 24 17.7
2008 32 15.9
2007 39 15.2
2006 53 13.1
2005 35 15.3
2004 57 12.8
2003 33 15.5
2002 67 11.0
2001 19 19.1
2000 25 17.6
1999 7 25.1
1998 2 27.1
1997 5 25.3
1996 13 21.7
1995 11 22.3
1994 28 16.6
1993 4 25.5
1992 30 16.0
1991 8 24.5
1990 40 15.1
1989 44 14.3
1988 62 12.1
1987 37 15.2
1986 10 23.8
1985 54 13.0
1984 56 12.8
1983 38 15.2
1982 6 25.3
1981 47 14.1
1980 49 13.8
1979 34 15.4
1978 22 17.9
1977 23 17.7
1976 60 12.6
1975 63 12.1
1974 68 10.6
1973 36 15.2
1972 58 12.7
1971 17 19.8
1970 46 14.3
1969 66 11.3
1968 45 14.3
1967 29 16.4
1966 55 12.9
1965 20 18.5
1964 26 17.5
1963 61 12.2
1962 16 20.2
1961 64 12.0
1960 48 13.9
1959 51 13.4
1958 41 15.1
1957 18 19.2
1956 50 13.8
1955 69 8.1
1954 71 0.0
1953 71 0.0
1952 71 0.0
1951 71 0.0
1950 71 0.0
1949 71 0.0