Climate Statistics for the first day of Fall

The official start to Autumn is set to arrive at 418 pm CDT on Tuesday, September 22.  Some of the extremes for this annual occurrence are listed in the tables below.

Sioux Falls              
                     
Coldest Minimum Temp.     Warmest Maximum Temp.
Year Date Max Min Precip   Year Date Max Min Precip
1983 9/23 66 28 0   1935 9/23 92 66 0
1895 9/23 69 31 0   2007 9/23 89 62 0
1896 9/22 63 31 0   1938 9/23 88 55 0
1928 9/23 57 32 0   1898 9/22 87 53 0
1893 9/22 72 33 0   1919 9/23 86 42 0
1916 9/23 76 33 0   1908 9/23 85 48 0
1949 9/23 68 33 0   1911 9/23 85 59 0
1971 9/23 71 33 0   1917 9/23 85 52 0
1990 9/23 64 33 0   1937 9/23 85 70 0.27
            1940 9/22 85 63 0
                     
Warmest Minimum Temp.   Coldest Maximum Temp.  
Year  Date Max Min Precip   Year Date Max Min Precip
1937 9/23 85 70 0.27   1965 9/23 43 35 0
1930 9/23 83 69 0   1942 9/23 49 34 T
1929 9/23 80 68 0   1946 9/23 50 38 0.01
1958 9/23 82 68 T   1951 9/23 51 38 1.01
1935 9/23 92 66 0   1961 9/23 51 41 0.02
2008 9/22 81 65 0.02   1997 9/22 53 48 0.89
1940 9/22 85 63 0   2000 9/22 53 44 0.44
1968 9/22 78 63 0.99   1928 9/23 57 32 0
2007 9/23 89 62 0   1991 9/23 57 34 0.68
1920 9/23 77 60 0.39   2006 9/22 57 52 0.34
1936 9/23 82 60 0            
                     
Wettest         Snowiest      
Year Date Max Min Precip   Year Date Max Min Snowfall
1951 9/23 51 38 1.01            
1968 9/22 78 63 0.99   It has never snowed    
1997 9/22 53 48 0.89   on the first day of Autumn!  
1913 9/23 69 40 0.70            
1991 9/23 57 34 0.68            
2000 9/22 53 44 0.44            
1970 9/23 64 42 0.40            
1920 9/23 77 60 0.39            
2006 9/22 57 52 0.34            
2004 9/22 70 56 0.33            
                     
Sioux City              
                     
Coldest Minimum Temp.     Warmest Maximum Temp.
Year Date Max Min Precip   Year Date Max Min Precip
1983 9/23 65 31 0   1938 9/23 95 52 0
1971 9/23 72 32 0   1935 9/23 92 68 T
1896 9/22 66 34 0   1891 9/23 90 66 0
1965 9/23 54 34 0   1921 9/23 90 56 0
1991 9/23 66 34 0.09   2007 9/23 88 55 0
1916 9/23 71 35 0.09   1940 9/22 87 65 0
1942 9/23 57 35 0.01   1999 9/23 87 42 0
1990 9/23 65 35 0   1908 9/23 86 59 0
2003 9/23 82 37 0   1892 9/22 86 53 T
                     
Warmest Minimum Temp.   Coldest Maximum Temp.  
Year  Date Max Min Precip   Year Date Max Min Precip
1930 9/23 85 70 0   1961 9/23 52 40 T
1935 9/23 92 68 T   1965 9/23 54 34 0
1958 9/23 78 68 T   1951 9/23 55 43 0.24
1891 9/22 90 66 0   1942 9/23 57 35 0.01
1968 9/22 82 66 1.48   1944 9/22 57 48 0.08
1940 9/22 87 65 0   1946 9/23 57 38 T
1929 9/23 85 64 0   1997 9/22 57 50 1.08
2008 9/22 81 64 0.76   2000 9/22 58 50 0.88
2004 9/22 83 63 0.16   1910 9/23 60 50 0.03
            1928 9/23 60 39 0
            1970 9/23 60 48 0.47
                     
Wettest         Snowiest (Since 1948)  
Year Date Max Min Precip   Year Date Max Min Snowfall
1937 9/23 84 59 2.18            
1968 9/22 82 66 1.48   It has never snowed    
1997 9/22 57 50 1.08   on the first day of Autumn!  
1920 9/23 77 58 0.92            
1963 9/23 69 54 0.90            
2000 9/22 58 50 0.88            
2008 9/22 81 64 0.76            
                     
Huron                  
                     
Coldest Minimum Temp.     Warmest Maximum Temp.
Year Date Max Min Precip   Year Date Max Min Precip
1887 9/23 59 26 T   1935 9/23 93 60 0
1942 9/23 49 28 0.03   1937 9/23 92 50 0.20
1990 9/23 67 29 0   2007 9/23 91 61 0
1895 9/23 69 30 0   1892 9/22 91 45 0
1928 9/23 59 30 0   1938 9/23 90 54 0
1989 9/22 55 30 0   1940 9/22 90 64 0
1951 9/23 50 31 0.12   1886 9/22 89 49 T
1893 9/22 66 32 0   1905 9/23 88 46 0
1896 9/22 66 32 0   1930 9/23 88 65 T
1916 9/23 74 32 0   1958 9/23 88 69 0
1971 9/23 71 32 0            
1991 9/23 53 32 0.64            
                     
Warmest Minimum Temp.   Coldest Maximum Temp.  
Year  Date Max Min Precip   Year Date Max Min Precip
1958 9/23 88 69 0   1965 9/23 42 34 0.01
1891 9/23 85 67 T   1942 9/23 49 28 0.03
1930 9/23 88 65 T   1951 9/23 50 31 0.12
1940 9/22 90 64 0   1960 9/22 50 41 0.26
2008 9/22 78 64 T   1991 9/23 53 32 0.64
2007 9/23 91 61 0   1946 9/23 54 40 0.02
1935 9/23 93 60 0            
1917 9/23 85 59 0            
1920 9/23 77 59 1.17            
                     
Wettest         Snowiest      
Year Date Max Min Precip   Year Date Max Min Snowfall
1920 9/23 77 59 1.17   1965 9/23 42 34 T
2004 9/22 60 51 0.71   1942 9/23 49 28 T
1991 9/23 53 32 0.64            
1997 9/22 55 51 0.60            
2006 9/22 56 51 0.50            
1968 9/22 70 54 0.33            



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