Illinois, Climate Division 2 May 1904 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
58.4
59.0
-0.6
52
78
1907
1977
1901
1903
normal
2020
2
50.3
53.4
-3.1
10
120
1907
1977
1904
1903
bottom-tenth
1947,1950
3
44.9
47.5
-2.6
14
116
1926
2012
1904
1903
bottom-third
1909,1932
4
37.4
41.9
-4.5
1
129
1904
2012
1904
1903
lowest
5
32.7
37.7
-5.0
3
127
1912
2012
1904
1903
bottom-tenth
6
30.2
35.8
-5.6
1
128
1904
2012
1904
1903
lowest
7
30.8
36.1
-5.3
1
128
1904
2012
1904
1903
lowest
8
33.3
38.1
-4.8
1
128
1904
2012
1904
1903
lowest
9
36.5
41.0
-4.5
1
128
1904
2012
1904
1903
lowest
10
39.7
44.0
-4.3
1
128
1904
2012
1904
1903
lowest
11
42.6
46.6
-4.0
1
128
1904
2012
1904
1903
lowest
12
44.4
48.5
-4.1
1
128
1904
2012
1904
1903
lowest
18
41.7
44.2
-2.5
4
124
1905,1918
2017
1904
1903
bottom-tenth
24
46.4
48.5
-2.1
4
124
1905
2017
1904
1903
bottom-tenth
36
47.1
48.4
-1.3
6
121
1918
2000
1904
1903
bottom-tenth
1919
48
47.4
48.4
-1.0
8
118
1907
2001,2023
1904
1903
bottom-tenth
1979,1981
60
47.7
48.4
-0.7
14
111
1908
2002
1904
1903
bottom-third
1927,1928,1963