Illinois, Climate Division 2 October 1959 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
49.2
52.1
-2.9
18
112
1925
1963
1957
1958
bottom-third
1933,1957,2020
2
57.7
57.9
-0.2
57
73
1917
1971,2021
1957
1958
normal
3
63.7
62.3
1.4
96
34
1917
1947
1958
1956
top-third
1914
4
65.8
65.0
0.8
84
46
1917
1947
1958
1955
normal
1940
5
66.7
65.8
0.9
87
43
1917
2021
1958
1956
top-third
1984,2020
6
66.3
64.6
1.7
109
21
1917
2007,2021
1958
1955
top-third
1933,1941
7
63.7
62.2
1.5
111
19
1917
2010
1958
1955
top-third
1963
8
60.1
58.9
1.2
101
29
1917
2012
1958
1955
top-third
1910,1931,1939,1995
9
56.0
55.1
0.9
92
38
1917
2012
1958
1955
top-third
1939,1941,2001,2011,2022
10
51.9
51.8
0.1
68
62
1917
2012
1958
1956
normal
1961,1971,1981,2019
11
49.0
49.4
-0.4
43
86
1904,1917
2012
1958
1957
bottom-third
1970,1977
12
48.2
48.5
-0.3
48
81
1904
2012
1958
1957
normal
1901,1925,1994,2003
18
53.5
53.9
-0.4
43
86
1904
2012
1958
1957
bottom-third
1909,1946,1975
24
48.1
48.5
-0.4
36
92
1905
2017
1958
1958
bottom-third
1899,1928,1958,1961,1966,1968,1994
36
48.1
48.4
-0.3
35
92
1904
2000
1953
1958
bottom-third
1945,1953,1961,1965,1970,1971,1972
48
48.2
48.4
-0.2
39
87
1905
2007
1953
1958
bottom-third
1903,1914,1925,1964,1966,1997
60
48.6
48.4
0.2
58
67
1905
2002
1954
1958
normal
1901,1937,1938,1939,1945,1946,1949,1950