January - May 1997 Illinois Divisional Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
129 years
1901-2000
1101
Northwest
1
11
Illinois
IL
36.5
-1
43
37.5
1102
Northeast
2
11
Illinois
IL
36.6
-1.1
37
37.7
1103
West
3
11
Illinois
IL
39.6
-1.3
28
40.9
1104
Central
4
11
Illinois
IL
39.4
-1.1
32
40.5
1105
East
5
11
Illinois
IL
39.1
-1
37
40.1
1106
West Southwest
6
11
Illinois
IL
42.2
-1.1
34
43.3
1107
East Southeast
7
11
Illinois
IL
42.6
-0.8
40
43.4
1108
Southwest
8
11
Illinois
IL
45.5
-0.7
44
46.2
1109
Southeast
9
11
Illinois
IL
45.5
-0.8
41
46.3