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Sioux Falls, SD Wettest and Driest Seasons

 

Wettest Seasons      Total (inches) and Year(s)

 

Rank

Amount

Winter

 

Rank

Amount

Spring

 

Rank

Amount

Summer

 

Rank

Amount

Autumn

1 6.88 1968-69   1 15.25 2019   1 22.64 2010   1 12.45 2016
2 5.99 1961-62 2 14.65 1995 2 19.45 2014 2 12.35 1973
3 5.14 1918-19 3 14.24 1920 3 17.56 2018 3 12.26 1929
4 4.71 1951-52 4 13.51 1927 4 17.39 1993 4 11.61 1982
5 4.62 2009-10 5 13.20 1936 5 17.18 1909 5 11.37 1986
6 4.57 1908-09 6 13.15 1935 6 16.76 1944 6 10.96 2018
7 4.53 1908-09 7 12.91 1993 7 16.14 1992 7 10.78 1946
8 3.80 2011-12 8 12.27 1898 8 15.82 1900 8 10.65 1911
9 3.75 1945-46 9 12.06 1893 9 15.66 1934 9 10.19 1906
10 3.74 1953-54 10 11.73 1965 10 15.05 2015 10 10.03 2015

 

 

Driest Seasons      Total (inches) and Year(s)

 

Rank

Amount

Winter

 

Rank

Amount

Spring

 

Rank

Amount

Summer

 

Rank

Amount

Autumn

1 0.23 1930-31   1 1.62 1934   1 2.73 2012   1 0.87 2011
2 0.45 1986-87 2 1.97 1931 2 3.55 1894 2 1.02 1952
3 0.55 2001-02 3 3.05 1981 3 3.86 1976 3 1.19 1974
4 0.61 1941-42 4 3.32 2023 4 3.91 1996 4 1.26 1999
5 0.62 1956-57 5 3.36 1926 5 4.82 1927 5 1.29 1967
6 0.64 1994-95 6 3.49 1907 6 4.90 1893 6 1.52 1894
  0.64 1989-90 7 3.50 1971 7 5.42 1988 7 1.54 1976
8 0.65 1900-01 8 3.55 1922 8 5.61 1958 8 1.78 1956
9 0.69 1979-80 9 3.69 1969 9 5.68 1917 9 1.84 1955
10 0.74 1980-81 10 3.72 1928 10 5.83 1936 10 1.92 1936

 

 

Wettest   7-Day Period on record -  9.01 inches   6/17/2024 - 6/23/2024
Wettest 14-Day Period on record - 10.50 inches  6/3/2014 - 6/16/2014
Wettest 31-Day Period on record - 14.59 inches  5/31/2014 - 6/30/2014

      Wettest 3 Month Period on record -  22.64 inches Jun-Aug 2010
2nd Wettest 3 Month Period on record - 22.55 inches May-Jul 1993
3rd Wettest 3 Month Period on record -  21.04 inches Apr-May-Jun 2024

Wettest 6-Month Period on record - 31.78 inches   April 2010 - September 2010
Wettest 12-Month Period on record - 47.12 inches  June 2018 - May 2019

Wettest 365-Day Period on record - 47.33 inches 6/12/2018 - 6/11/2019

Updated Jan '26

Winter = Dec + Jan + Feb   Spring = Mar + Apr + May   Summer = Jun + Jul + Aug   Autumn = Sep + Oct + Nov