Illinois, Climate Division 2 February 1975 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
24.9
24.8
0.1
64
67
1936
1998
1972
1974
normal
1949
2
25.1
23.1
2.0
88
43
1979
1998
1974
1973
top-third
1976,2013
3
26.4
24.0
2.4
100
30
1904
2024
1974
1960
top-third
1976
4
29.6
27.5
2.1
96
34
1977
2002
1974
1954
top-third
5
34.0
32.5
1.5
92
38
1977
1932
1974
1974
top-third
1974
6
38.4
37.7
0.7
77
53
1977
1932
1973
1974
normal
1940,1966
7
42.8
42.4
0.4
61
69
1977
1932
1973
1974
normal
1944,1956,1990
8
46.8
46.3
0.5
63
67
1977
1932
1973
1974
normal
1940,1948,1960,2019
9
48.8
48.8
0.0
50
80
1904,1918
1932
1973
1974
normal
1966,1967,1985
10
49.6
49.8
-0.2
46
84
1918
1932
1973
1974
normal
1985
11
49.7
49.6
0.1
54
76
1918
1932
1973
1974
normal
1945,1969
12
48.7
48.5
0.2
59
71
1918
2017
1973
1974
normal
1898,1928,1971,1986,1996,2003
18
45.5
44.9
0.6
81
48
1905
2017
1973
1974
normal
1934
24
49.3
48.4
0.9
94
35
1905
2017
1974
1957
top-third
1943,1956,1957,1984,1990,2019
36
48.8
48.4
0.4
78
50
1918
2013,2024
1973
1974
normal
1898,1943,1949,1950,1958,1985,1994,2010,2011
48
48.9
48.4
0.5
79
48
1905,1918
2024
1974
1974
normal
1943,1958,1974,1976,1987
60
48.8
48.4
0.4
74
52
1905,1908
2024
1974
1958
normal
1944,1950