May - August 1900 Illinois Divisional Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
129 years
1901-2000
1101
Northwest
1
11
Illinois
IL
69.8
1.4
103
68.4
1102
Northeast
2
11
Illinois
IL
69.7
1.7
104
68
1103
West
3
11
Illinois
IL
72.6
1.8
106
70.9
1104
Central
4
11
Illinois
IL
71.2
1.1
92
70.1
1105
East
5
11
Illinois
IL
70.3
0.8
84
69.5
1106
West Southwest
6
11
Illinois
IL
73.1
1.2
96
71.9
1107
East Southeast
7
11
Illinois
IL
72.7
1.2
94
71.5
1108
Southwest
8
11
Illinois
IL
74
0.8
89
73.2
1109
Southeast
9
11
Illinois
IL
74.6
1.5
101
73.1