Illinois, Climate Division 2 September 1985 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
65.4
63.7
1.7
88
42
1918
1897
1984
1978
top-third
2008
2
67.0
67.4
-0.4
47
83
1902
1947
1982
1984
normal
1986
3
68.8
69.3
-0.5
42
88
1924
1936
1982
1984
bottom-third
1949,1957
4
68.3
69.2
-0.9
30
100
1915
2005
1982
1984
bottom-third
1996
5
67.1
67.1
0.0
57
73
1924
1921,1988
1984
1983
normal
6
64.9
63.9
1.0
87
43
1907
1921
1984
1977
top-third
1954,2017,2019
7
61.4
59.9
1.5
110
20
1924
2012
1984
1977
top-third
1922,2000
8
56.3
55.5
0.8
81
49
1904,1917
2012
1984
1983
normal
1941,2011
9
51.7
51.7
0.0
60
70
1904,1912
2012
1984
1983
normal
1913,1927,2013
10
49.7
49.1
0.6
75
54
1904
2012
1984
1983
normal
1897,1968,1981
11
48.7
48.1
0.6
83
46
1904
2012
1984
1983
normal
1898,1908,1911,1946,1964,1981
12
49.2
48.5
0.7
86
43
1904
2012
1984
1983
top-third
1911,1949,1973
18
54.0
53.6
0.4
76
53
1904
2012
1984
1983
normal
1938,1941,1981
24
48.4
48.5
-0.1
51
77
1918
2017
1982
1984
normal
1909,1915,1945,1948,1972,1993
36
49.3
48.4
0.9
92
35
1979
2000
1984
1956
top-third
1993
48
48.6
48.4
0.2
65
61
1905,1918
2001,2002,2019
1984
1983
normal
1901,1931,1943,1977
60
48.6
48.4
0.2
62
63
1905,1906
2002
1984
1977
normal
1924,1937,1939,1946,1954,1975,1986