Illinois, Climate Division 7 October 2000 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
58.8
55.7
3.1
108
22
1925
1963
1999
1984
top-third
2017
2
62.6
61.6
1.0
89
41
1917
1971,2016
1999
1998
top-third
1899,1908,1946,1955,2013
3
66.6
65.8
0.8
85
45
1976
1947,2007
1999
1998
normal
1913,1980,1984,2017
4
68.4
68.4
0.0
68
62
1967
1936
1997
1999
normal
1943
5
69.1
69.2
-0.1
59
71
1917
1936
1997
1999
normal
1898,1916,1935,1942,1968,1978
6
68.5
68.2
0.3
72
58
1917
1936
1997
1999
normal
1940,1964
7
66.2
66.0
0.2
63
67
1907
2010
1997
1999
normal
1943
8
63.7
63.0
0.7
89
41
1917
2012
1999
1998
top-third
1913,1942,1944,1988,2004,2019
9
61.0
59.5
1.5
112
18
1917
2012
1999
1998
top-third
1955,1977,1986
10
57.8
56.3
1.5
108
22
1979
2012
1999
1998
top-third
1939,1946,1955,1973,1987
11
55.7
54.0
1.7
112
17
1904
2012
1999
1998
top-third
1934,1941,1983
12
55.2
53.1
2.1
115
14
1904
2012
1999
1998
top-third
18
59.7
58.1
1.6
116
13
1904
2012
1998
1999
top-tenth
1914,1953,1955,2007
24
55.0
53.1
1.9
117
11
1979
2017
1998
1999
top-tenth
1955
36
55.2
53.0
2.2
124
3
1979
2018
1999
1955
top-tenth
1955,2007
48
54.5
53.0
1.5
114
12
1905,1980
2019
1999
1956
top-tenth
1933,1935,2001,2005,2020
60
53.9
53.0
0.9
95
30
1982
2020
1999
1992
top-third
1923,1942,1955,2017