Illinois October 1897 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
59.6
54.6
5.0
121
9
1925
1963
1896
1897
top-tenth
2
65.5
60.5
5.0
129
1
1917
1897
1896
1897
highest
3
67.5
64.8
2.7
121
9
1917
1947
1896
1897
top-tenth
4
69.8
67.5
2.3
119
11
1917
1936
1896
1897
top-tenth
5
70.0
68.2
1.8
110
20
1917
1936
1896
1897
top-third
6
68.1
67.2
0.9
91
39
1917
1936
1896
1897
top-third
1899,1930,1971,1977,1980,1986,2011,2022
7
65.5
65.0
0.5
78
52
1917
2010
1895
1896
normal
1906,1962,1973,1980,1983
8
62.2
61.8
0.4
73
57
1917
2012
1896
1897
normal
1949,1964,1971
9
58.6
58.2
0.4
78
52
1917
2012
1896
1897
normal
1952,1964,2020
10
55.1
54.9
0.2
71
59
1904
2012
1895
1896
normal
1913,1936,1992,2022
11
53.2
52.6
0.6
83
46
1904
2012
1896
1897
normal
1952,1986,1992,2013
12
52.1
51.6
0.5
83
46
1904
2012
1896
1897
normal
1913,1947,1976
18
57.0
56.8
0.2
70
59
1904
2012
1896
1897
normal
1913,1923,1947,1950,1972,1974,1985
24
51.9
51.6
0.3
76
52
1905
2017
1897
1897
normal
1901,1940,1943,1949
36
-99
51.6
-99
-99
-99
1904,1979
2018
normal
48
-99
51.6
-99
-99
-99
1905
2019
normal
60
-99
51.6
-99
-99
-99
1905,1906
2002,2020
normal