Illinois Annual Rainfall see below for individual
cities

Illinois city precipitation totals
| City | Avg Annual Precip |
Avg Snow Annual |
Avg. days of Precip |
| Chicago | 36.27 | 38.0 | 126 |
| Moline | 38.04 | 30.5 | 114 |
| Peoria | 36.03 | 25.0 | 114 |
| Rockford | 36.63 | 34.5 | 118 |
| Springfield | 35.56 | 23.1 | 114 |
| State Average - 39.32 inches, 37th wettest in U.S. | |||
Illinois Precipitation Records
Driest location ranked by lowest annual precipitation: Waukegan, northern Illinois, 32.32" Wettest location ranked by highest annual precipitation: Rosiclare, southern Illinois, 104.18" Snowiest location ranked by highest annual snowfall: Chicago Midway Airport, 42.8" State precipitation record for 24 hours - Aurora, northeastern Illinois, 7/17-18/1996, 16.94" State precipitation record for 1 year - New Burnside, southern Illinois, 1950, 74.58" State snowfall record for 24 hours - Astoria, western Illinois, 7/17-18/1996, 16.94" State snow record for 1 season - Antioch, northeastern Illinois, 1978-1979, 103.3"Precipitation data for other U.S. states
Data source: National Data Climatic Center