City, State
|
overcast days
|
DeKalb, Illinois
|
156
|
Rockford, Illinois
|
156
|
Schaumburg, Illinois
|
143
|
Skokie, Illinois
|
143
|
Mount Prospect, Illinois
|
143
|
Naperville, Illinois
|
143
|
Tinley Park, Illinois
|
143
|
Chicago, Illinois
|
143
|
Cicero, Illinois
|
143
|
Crystal Lake, Illinois
|
143
|
Oak Lawn, Illinois
|
143
|
Oak Park, Illinois
|
143
|
Orland Park, Illinois
|
143
|
Palatine, Illinois
|
143
|
Des Plaines, Illinois
|
143
|
Downers Grove, Illinois
|
143
|
Elgin, Illinois
|
143
|
Elmhurst, Illinois
|
143
|
Evanston, Illinois
|
143
|
Glenview, Illinois
|
143
|
|
|
|