Illinois, Climate Division 7 September 1957 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
65.3
67.4
-2.1
27
103
1918
1925
1951
1956
bottom-third
2
69.9
70.8
-0.9
38
92
1967
1936
1951
1956
bottom-third
1910,1999,2020
3
72.2
72.6
-0.4
52
78
1967
1936
1956
1955
normal
1923
4
72.4
72.6
-0.2
53
77
1967
1936
1956
1955
normal
1905,1935,1949,1990,1993
5
70.6
70.7
-0.1
58
72
1924
1936
1951
1956
normal
1937,2006,2013
6
68.0
67.7
0.3
70
60
1907
2010
1956
1955
normal
1908,1960,1962,1978
7
64.1
64.0
0.1
62
68
1924
2012
1956
1955
normal
1949,2020
8
60.7
59.9
0.8
89
41
1904,1924
2012
1956
1955
top-third
1932,1939,1941,1964,1983,1995,2022
9
56.6
56.4
0.2
68
62
1979
2012
1956
1955
normal
10
54.7
53.9
0.8
83
46
1904
2012
1956
1955
normal
1896,1908,1986,1992,2004
11
53.5
52.8
0.7
86
43
1904
2012
1956
1955
top-third
1911,1944,1952,2019
12
54.1
53.1
1.0
94
35
1904
2012
1956
1955
top-third
1931,1934,1949,1972
18
58.6
58.0
0.6
87
42
1918
2012
1956
1955
top-third
1901,1941
24
53.4
53.1
0.3
80
48
1979
2017
1952
1956
normal
1901,1936,1974,1976,1995
36
53.8
53.0
0.8
91
36
1979
2018
1953
1956
top-third
2009
48
54.3
53.0
1.3
108
18
1980
2019
1954
1956
top-third
1922
60
54.4
53.0
1.4
117
8
1982
2020
1956
1935
top-tenth
1934,2012,2013,2023