Illinois, Climate Division 5 August 2004 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
67.5
72.1
-4.6
5
125
1915
1947
1992
2003
bottom-tenth
2
69.7
73.3
-3.6
6
124
1915
1936
1992
2003
bottom-tenth
3
69.5
72.3
-2.8
6
124
1915
1936
1992
2003
bottom-tenth
4
68.4
69.5
-1.1
31
99
1915
1934
1997
2003
bottom-third
1951,1966,1981
5
65.3
65.5
-0.2
47
83
1907
1991
2003
2003
normal
1898,2003
6
61.8
61.0
0.8
84
46
1904
2012
2003
2001
normal
1952,1983,2020
7
57.0
56.2
0.8
82
48
1904
2012
2003
2002
normal
1919,1944
8
52.8
52.2
0.6
78
52
1904,1912
2012
2003
2002
normal
1992
9
50.5
49.5
1.0
86
43
1904
2012
2003
2002
top-third
1939
10
49.9
48.5
1.4
97
32
1904
2012
2003
2002
top-third
2022
11
50.2
49.0
1.2
97
32
1904
2012
2003
2002
top-third
1931
12
51.3
50.3
1.0
95
34
1904
2012
2003
2002
top-third
1898,1914,1919,1957,1974
18
54.6
53.9
0.7
85
44
1904
2012
2003
2002
normal
1956,1957,2019
24
50.7
50.3
0.4
75
53
1905
2017
1997
2003
normal
1940,1975,1993,1996
36
51.4
50.3
1.1
97
30
1904
2018
2003
2002
top-third
2005,2014
48
51.2
50.3
0.9
92
34
1905
2019
1999
2003
top-third
1942
60
51.4
50.3
1.1
101
24
1906
2020
2000
2003
top-third
1936,1989,1992,2014,2017