Illinois, Climate Division 5 May 1909 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
57.8
61.0
-3.2
25
105
1907
2018
1907
1908
bottom-third
1946
2
52.7
55.5
-2.8
13
117
1907
1977
1907
1908
bottom-tenth
1924,1926
3
47.2
49.7
-2.5
13
117
1960
2012
1907
1908
bottom-tenth
1901,1923,1943
4
43.3
44.2
-0.9
45
85
1978
2012
1907
1908
normal
1951
5
40.0
40.1
-0.1
57
73
1978
2012
1907
1908
normal
1959,2019
6
38.2
38.1
0.1
62
67
1904,1978
2012
1907
1908
normal
1937,1993
7
38.5
38.3
0.2
66
63
1904
2012
1907
1908
normal
1928,1930,1945,1965,1966,1993
8
40.3
40.2
0.1
58
71
1904
2012
1908
1903
normal
1929,1944,1945,1947,1952,1966,1993,2001
9
43.4
43.0
0.4
75
54
1904
2012
1908
1898
normal
1973
10
46.3
45.9
0.4
71
58
1904
2012
1908
1898
normal
1935,1973
11
48.8
48.5
0.3
70
59
1904
2012
1908
1898
normal
1933,2003
12
50.5
50.3
0.2
63
66
1904
2012
1908
1898
normal
1915,1946,1986
18
46.6
46.2
0.4
73
55
1905
2017
1908
1909
normal
1915,1938,1947
24
49.9
50.3
-0.4
41
87
1905
2017
1908
1901
bottom-third
1897,1898,1901,1910,1924,1962,1982
36
49.8
50.3
-0.5
34
93
1905,1906
2018
1908
1900
bottom-third
1900,1930,1962,1964,1982,1984
48
49.8
50.3
-0.5
31
95
1905
2019
1908
1901
bottom-third
1899,1901,1911,1914,1930,1964
60
49.4
50.3
-0.9
12
113
1905,1906,1908
2020
1908
1903
bottom-tenth
1903,1912,1918