First Day of Winter in Sioux Falls

Year
Date
Max
Min
Precip
Snowfall
SOG*
1903
12/22
30
0
0
0
M
1904
12/22
47
29
0
0
M
1905
12/22
29
11
0
0
M
1906
12/22
23
12
T
0
M
1907
12/22
36
18
0
0
M
1908
12/21
36
8
0
0
M
1909
12/22
17
2
0
0
M
1910
12/22
36
4
0.15
3
M
1911
12/22
28
23
T
T
M
1912
12/21
30
5
0
0
M
1913
12/22
30
6
0
0
M
1914
12/22
18
-3
0
0
M
1915
12/22
43
8
0
0
M
1916
12/21
2
-26
0
0
M
1917
12/22
34
10
0
0
M
1918
12/22
37
26
T
T
M
1919
12/22
35
25
0
0
M
1920
12/21
24
10
1.22
12
M
1921
12/22
20
0
0
0
M
1922
12/22
42
27
0
0
M
1923
12/22
40
22
0
0
M
1924
12/21
3
-10
0
0
M
1925
12/22
16
1
0
0
M
1926
12/22
32
25
0.12
T
M
1927
12/22
26
11
T
0
M
1928
12/21
21
8
T
T
M
1929
12/22
15
-9
0
0
M
1930
12/22
28
8
0
0
M
1931
12/22
39
32
0
0
M
1932
12/21
36
21
0
0
M
1933
12/22
38
24
0
0
0
1934
12/22
44
19
T
T
M
1935
12/22
37
22
0.08
0.8
1
1936
12/21
30
20
0
0
M
1937
12/22
42
13
0
0
M
1938
12/22
34
20
0
0
0
1939
12/22
36
19
0
0
M
1940
12/21
40
25
0
0
M
1941
12/21
56
29
0
0
0
1942
12/22
42
20
0
0
2
1943
12/22
21
-5
0
0
0
1944
12/21
15
-3
0
0
M
1945
12/21
8
-3
0.03
0.2
2
1946
12/22
39
18
0
0
T
1947
12/22
29
14
T
T
1
1948
12/21
33
10
0
0
4
1949
12/21
17
0
T
T
T
1950
12/22
46
14
0
0
T
1951
12/22
16
-19
T
T
8
1952
12/21
26
8
T
T
1
1953
12/21
34
-1
0.06
1.1
3
1954
12/22
40
15
0
0
1
1955
12/22
33
15
0
0
11
1956
12/21
42
16
0
0
T
1957
12/21
50
24
0
0
0
1958
12/22
42
22
0
0
T
1959
12/22
32
28
T
T
T
1960
12/21
0
-13
0
0
5
1961
12/21
23
-7
T
T
7
1962
12/22
38
4
T
T
0
1963
12/22
12
-17
0
0
3
1964
12/21
26
11
0
0
T
1965
12/21
51
21
0
0
0
1966
12/22
19
4
T
T
T
1967
12/22
12
-1
0
0
1
1968
12/21
18
9
0.44
5.7
6
1969
12/21
28
8
0
0
T
1970
12/22
29
5
T
T
6
1971
12/22
36
17
T
T
3
1972
12/21
26
20
T
T
T
1973
12/21
26
10
0
0
4
1974
12/21
23
5
T
T
1
1975
12/22
29
15
T
T
4
1976
12/21
33
-3
0
0
0
1977
12/21
19
2
T
T
2
1978
12/21
36
15
0
0
3
1979
12/22
44
22
0
0
0
1980
12/21
24
11
T
T
T
1981
12/21
39
18
0
0
3
1982
12/21
46
25
0
0
0
1983
12/22
-10
-26
T
T
12
1984
12/21
37
9
T
T
T
1985
12/21
34
0
T
T
13
1986
12/21
37
6
T
T
0
1987
12/22
41
26
0
0
T
1988
12/21
38
16
0
0
0
1989
12/21
-16
-25
T
T
1
1990
12/21
-10
-20
0.02
0.7
3
1991
12/22
44
30
0
0
0
1992
12/21
35
10
0
0
3
1993
12/21
31
8
0.05
0.6
1
1994
12/21
32
25
0
0
6
1995
12/22
24
17
0.01
0.3
T
1996
12/21
29
1
0.02
1
11
1997
12/21
30
18
0
0
0
1998
12/21
3
-5
T
0.1
1
1999
12/22
12
-11
T
T
2
2000
12/21
4
-9
T
T
5
2001
12/21
42
18
0
0
0
2002
12/21
27
22
T
T
T
2003
12/22
40
26
T
0
1
2004
12/21
20
2
0
0
0
2005
12/21
30
0
0
0
T
2006
12/21
34
32
0.58
T
0
2007 12/22 32 8 T T 3
2008 12/21 0 -8 0 0 6
2009 12/21 26 21 0.20 2.0 3
2010 12/21 32 7 T T 8
2011 12/22          
2012 12/21          


*SOG=Snow On Ground


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