Illinois, Climate Division 3 January 1948 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
20.3
23.8
-3.5
30
101
1977
2006
1940
1947
bottom-third
2
26.0
26.1
-0.1
55
75
1918
1932
1946
1947
normal
3
29.0
30.8
-1.8
34
96
1977
2002
1945
1947
bottom-third
4
37.3
36.8
0.5
69
61
1977
1932
1946
1947
normal
1958
5
43.6
42.6
1.0
79
51
1977
1932
1946
1947
normal
1957
6
50.0
47.8
2.2
110
20
1977
1932
1947
1942
top-third
1900,1919,1921
7
53.3
51.8
1.5
99
31
1977
1932
1946
1947
top-third
2007,2020
8
55.2
54.3
0.9
87
43
1977
1932
1946
1947
top-third
1957,1981
9
55.5
55.2
0.3
70
60
1918,1977
1932
1946
1947
normal
1907,1940,1958,2018
10
55.0
54.8
0.2
64
66
1918
1932
1946
1947
normal
11
52.9
53.4
-0.5
40
90
1918
1932,2013,2017
1946
1947
bottom-third
1912,1924,1984,1990,2001
12
50.4
51.2
-0.8
27
103
1918
1932
1936
1947
bottom-third
1899,1902,1910,1924
18
50.1
50.1
0.0
61
68
1905,1918
2017
1946
1947
normal
1938,1990,1993
24
52.0
51.2
0.8
91
38
1918
1932
1946
1947
top-third
1958,2021
36
51.5
51.2
0.3
72
56
1905
1933
1946
1947
normal
48
51.4
51.2
0.2
74
53
1905
1934
1946
1947
normal
1914,1916,1931,1938,1967,1994,1995,2010,2016,2017
60
51.3
51.2
0.1
58
68
1906,1907
1935
1931
1947
normal
1917,1954,1996,1999