March - July 1966 Illinois Divisional Average Temperature
-99
1901-2000 base period
Degrees Fahrenheit
129 years
1901-2000
1101
Northwest
1
11
Illinois
IL
56.7
-0.6
45
57.3
1102
Northeast
2
11
Illinois
IL
56.6
-0.3
50
56.9
1103
West
3
11
Illinois
IL
59.5
-0.5
46
60
1104
Central
4
11
Illinois
IL
58.9
-0.5
45
59.4
1105
East
5
11
Illinois
IL
58.3
-0.5
45
58.8
1106
West Southwest
6
11
Illinois
IL
61.2
-0.3
48
61.5
1107
East Southeast
7
11
Illinois
IL
60.9
-0.4
46
61.3
1108
Southwest
8
11
Illinois
IL
63.1
-0.3
51
63.4
1109
Southeast
9
11
Illinois
IL
62.9
-0.5
43
63.3