June 1978 - May 1980 Illinois Divisional Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
127 years
1901-2000
1101
Northwest
1
11
Illinois
IL
46.9
-1.3
10
48.2
1102
Northeast
2
11
Illinois
IL
47.3
-1.2
12
48.5
1103
West
3
11
Illinois
IL
49.8
-1.4
8
51.2
1104
Central
4
11
Illinois
IL
49.5
-1.2
12
50.7
1105
East
5
11
Illinois
IL
49.1
-1.2
12
50.3
1106
West Southwest
6
11
Illinois
IL
51.7
-1.4
7
53.1
1107
East Southeast
7
11
Illinois
IL
51.5
-1.6
7
53.1
1108
Southwest
8
11
Illinois
IL
53.8
-1.6
5
55.4
1109
Southeast
9
11
Illinois
IL
53.8
-1.7
4
55.4