NOAA's National Centers for Environmental Information
Statewide Rankings
Illinois
July 2011 Precipitation Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| July 2011 1-Month | 3.61in (91.69mm) | 3.64in (92.46mm) | -0.03in | 68th Driest | Driest since: | 1930 |
| 63rd Wettest | Wettest since: | 1958 | ||||
| Jun– 2-Month | 10.30in (261.62mm) | 7.72in (196.09mm) | 2.58in | 113th Driest | Driest since: | 1936 |
| 18th Wettest | Wettest since: | 2015 | ||||
| May– 3-Month | 15.58in (395.73mm) | 11.80in (299.72mm) | 3.78in | 114th Driest | Driest since: | 1936 |
| 17th Wettest | Wettest since: | 2015 | ||||
| Apr– 4-Month | 23.20in (589.28mm) | 15.52in (394.21mm) | 7.68in | 128th Driest | Driest since: | 1988 |
| 3rd Wettest | Wettest since: | 1957 | ||||
| Mar– 5-Month | 25.92in (658.37mm) | 18.61in (472.69mm) | 7.31in | 129th Driest | Driest since: | 1936 |
| 2nd Wettest | Wettest since: | 1973 | ||||
| Feb– 6-Month | 29.16in (740.66mm) | 20.47in (519.94mm) | 8.69in | 129th Driest | Driest since: | 1936 |
| 2nd Wettest | Wettest since: | 2008 | ||||
| Jan– 7-Month | 30.35in (770.89mm) | 22.60in (574.04mm) | 7.75in | 123rd Driest | Driest since: | 1936 |
| 8th Wettest | Wettest since: | 2008 | ||||
| Dec 2010– 8-Month | 32.12in (815.85mm) | 24.92in (632.97mm) | 7.20in | 119th Driest | Driest since: | 1936 |
| 11th Wettest | Wettest since: | 2008 | ||||
| Nov 2010– 9-Month | 35.27in (895.86mm) | 27.67in (702.82mm) | 7.60in | 123rd Driest | Driest since: | 1934 |
| 7th Wettest | Wettest since: | 1993 | ||||
| Oct 2010– 10-Month | 36.59in (929.39mm) | 30.46in (773.68mm) | 6.13in | 109th Driest | Driest since: | 1934 |
| 21st Wettest | Wettest since: | 2010 | ||||
| Sep 2010– 11-Month | 40.32in (1,024.13mm) | 33.96in (862.58mm) | 6.36in | 112th Driest | Driest since: | 1934 |
| 18th Wettest | Wettest since: | 1927 | ||||
| Aug 2010– 12-Month | 43.50in (1,104.90mm) | 37.46in (951.48mm) | 6.04in | 111th Driest | Driest since: | 1934 |
| 19th Wettest | Wettest since: | 1927 | ||||
| Feb 2010– 18-Month | 69.59in (1,767.59mm) | 57.89in | 11.70in | 121st Driest | Driest since: | 1931 |
| 9th Wettest | Wettest since: | 2010 | ||||
| Aug 2009– 24-Month | 92.98in (2,361.69mm) | 74.90in | 18.08in | 123rd Driest | Driest since: | 1954 |
| 6th Wettest | Wettest since: | 2020 | ||||
| Aug 2008– 36-Month | 139.70in (3,548.38mm) | 112.32in | 27.38in | 126th Driest | Driest since: | 1965 |
| 2nd Wettest | Wettest since: | 2010 | ||||
| Aug 2007– 48-Month | 187.20in (4,754.88mm) | 149.68in | 37.52in | 126th Driest | Driest since: | 1956 |
| 1st Wettest | Wettest to Date | 2011 | ||||
| Aug 2006– 60-Month | 226.83in (5,761.48mm) | 187.11in | 39.72in | 125th Driest | Driest since: | 1934 |
| 1st Wettest | Wettest to Date | 2011 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on March 30, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings
