Illinois, Climate Division 1 April 1997 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
45.4
48.3
-2.9
21
109
2018
2010
1995
1996
bottom-third
1939,2022
2
41.9
42.0
-0.1
64
66
1926
2012
1996
1995
normal
3
37.2
36.0
1.2
84
46
1912,2014
2012
1996
1992
normal
1922
4
32.0
32.0
0.0
56
74
1912
2012
1996
1995
normal
1956,1984,1985,2009
5
30.4
30.6
-0.2
55
74
1979
2012
1996
1995
normal
6
30.5
31.7
-1.2
31
98
1912
2012
1996
1995
bottom-third
7
33.6
34.6
-1.0
29
100
1912
2012
1996
1995
bottom-third
1937,1940,1958
8
37.2
38.2
-1.0
31
98
1904,1912
2017
1996
1995
bottom-third
1984
9
40.9
41.8
-0.9
31
98
1904
2017
1996
1995
bottom-third
1952,1958
10
43.9
45.0
-1.1
25
104
1904
2012
1994
1996
bottom-third
1897,1952,1960
11
46.2
47.2
-1.0
29
100
1904
2012,2017
1994
1996
bottom-third
1897
12
47.0
48.2
-1.2
21
108
1918
2012,2017
1993
1996
bottom-third
1975
18
41.1
42.7
-1.6
13
115
1918
2017
1980
1996
bottom-tenth
1936
24
47.3
48.2
-0.9
22
106
1905
2017
1994
1996
bottom-third
1899,1937,1960
36
48.0
48.2
-0.2
44
83
1918
2000
1996
1996
normal
1909,1911,1938,1965,1967,1996
48
47.8
48.2
-0.4
32
94
1980
2002
1996
1995
bottom-third
1899,1901,1911,1914,1951,1960,1964,1968,1972
60
47.6
48.2
-0.6
19
106
1920
2002,2006
1982
1996
bottom-third
1909,1913,1928,1970