Illinois, Climate Division 2 February 1985 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
20.8
24.8
-4.0
28
103
1936
1998
1980
1984
bottom-third
2
17.9
23.1
-5.2
15
116
1979
1998
1982
1984
bottom-third
3
22.3
24.0
-1.7
30
100
1904
2024
1984
1983
bottom-third
2015
4
26.4
27.5
-1.1
32
98
1977
2002
1982
1984
bottom-third
5
32.1
32.5
-0.4
43
87
1977
1932
1984
1984
bottom-third
1901,1908,1952,1960,1984
6
37.2
37.7
-0.5
41
89
1977
1932
1982
1984
bottom-third
1938
7
42.3
42.4
-0.1
46
84
1977
1932
1982
1984
normal
1924,1988,1996,2010
8
46.0
46.3
-0.3
45
85
1977
1932
1982
1984
normal
9
48.8
48.8
0.0
50
80
1904,1918
1932
1982
1984
normal
1966,1967,1975
10
49.6
49.8
-0.2
46
84
1918
1932
1982
1984
normal
1975
11
49.3
49.6
-0.3
42
88
1918
1932
1982
1984
bottom-third
1911,1980,2001
12
47.7
48.5
-0.8
31
99
1918
2017
1982
1984
bottom-third
1973,2009
18
44.3
44.9
-0.6
35
94
1905
2017
1982
1984
bottom-third
1944
24
48.3
48.4
-0.1
50
79
1905
2017
1982
1984
normal
1900,1953
36
48.8
48.4
0.4
78
50
1918
2013,2024
1984
1976
normal
1898,1943,1949,1950,1958,1975,1994,2010,2011
48
48.4
48.4
0.0
51
76
1905,1918
2024
1983
1984
normal
1899,1903,1939,1948,1959,1972,1977,1983
60
48.4
48.4
0.0
48
78
1905,1908
2024
1983
1984
normal
1915,1948,1951,1955,1974,1998