October 1949 - March 1951 Illinois Divisional Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
127 years
1901-2000
1101
Northwest
1
11
Illinois
IL
41.5
-1.3
15
42.9
1102
Northeast
2
11
Illinois
IL
42.1
-1.2
16
43.3
1103
West
3
11
Illinois
IL
45.1
-0.9
26
46.1
1104
Central
4
11
Illinois
IL
44.7
-0.8
26
45.6
1105
East
5
11
Illinois
IL
44.6
-0.7
35
45.2
1106
West Southwest
6
11
Illinois
IL
47.4
-0.7
29
48.2
1107
East Southeast
7
11
Illinois
IL
47.5
-0.6
35
48.2
1108
Southwest
8
11
Illinois
IL
50
-0.6
30
50.7
1109
Southeast
9
11
Illinois
IL
50.2
-0.5
34
50.7