Illinois, Climate Division 5 May 1917 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
54.4
61.0
-6.6
2
128
1907
2018
1907
1916
bottom-tenth
2
50.7
55.5
-4.8
2
128
1907
1977
1907
1916
bottom-tenth
1961
3
47.0
49.7
-2.7
11
119
1960
2012
1907
1916
bottom-tenth
4
40.5
44.2
-3.7
8
122
1978
2012
1912
1916
bottom-tenth
1899
5
37.4
40.1
-2.7
16
114
1978
2012
1912
1916
bottom-third
1963
6
35.3
38.1
-2.8
13
116
1904,1978
2012
1912
1916
bottom-tenth
7
36.1
38.3
-2.2
16
113
1904
2012
1912
1916
bottom-third
1901,1982,1996
8
38.2
40.2
-2.0
15
114
1904
2012
1912
1916
bottom-third
1960,1977
9
41.0
43.0
-2.0
14
115
1904
2012
1912
1916
bottom-third
1926
10
44.5
45.9
-1.4
19
110
1904
2012
1912
1916
bottom-third
1970
11
47.6
48.5
-0.9
27
102
1904
2012
1916
1915
bottom-third
1960,1994
12
49.1
50.3
-1.2
18
111
1904
2012
1916
1915
bottom-third
1902,1920,1926
18
45.1
46.2
-1.1
17
111
1905
2017
1916
1915
bottom-third
1899,1903,1952,1970
24
49.0
50.3
-1.3
9
119
1905
2017
1913
1916
bottom-tenth
1912,1952
36
49.5
50.3
-0.8
16
111
1905,1906
2018
1913
1916
bottom-third
1926,1963
48
50.0
50.3
-0.3
41
85
1905
2019
1915
1916
bottom-third
1921,1960,1997
60
49.9
50.3
-0.4
38
87
1905,1906,1908
2020
1916
1915
bottom-third
1965,1966,1967,1968,1997