Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2020. For more information, please see Climatological Rankings.


Illinois

Precipitation Rankings, July 1902

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
July 1902
1-Month
5.10"
(129.54mm)
3.64"
(92.46mm)
1.46"
(37.08mm)
107th Driest Driest since: 1901 1930
20th Wettest Wettest since: 1896 1958
Jun–Jul 1902
2-Month
13.37"
(339.60mm)
7.72"
(196.09mm)
5.65"
(143.51mm)
123rd Driest Driest since: 1901 1936
4th Wettest Wettest to Date 2015
May–Jul 1902
3-Month
17.31"
(439.67mm)
11.80"
(299.72mm)
5.51"
(139.95mm)
121st Driest Driest since: 1901 1936
6th Wettest Wettest to Date 2015
Apr–Jul 1902
4-Month
19.72"
(500.89mm)
15.52"
(394.21mm)
4.20"
(106.68mm)
105th Driest Driest since: 1901 1988
22nd Wettest Wettest to Date 1957
Mar–Jul 1902
5-Month
23.23"
(590.04mm)
18.61"
(472.69mm)
4.62"
(117.35mm)
105th Driest Driest since: 1901 1936
22nd Wettest Wettest since: 1898 1973
Feb–Jul 1902
6-Month
24.52"
(622.81mm)
20.47"
(519.94mm)
4.05"
(102.87mm)
102nd Driest Driest since: 1901 1936
25th Wettest Wettest since: 1898 2008
Jan–Jul 1902
7-Month
25.52"
(648.21mm)
22.60"
(574.04mm)
2.92"
(74.17mm)
88th Driest Driest since: 1901 1936
39th Wettest Wettest since: 1898 2008
Dec 1901–Jul 1902
8-Month
28.33"
(719.58mm)
24.92"
(632.97mm)
3.41"
(86.61mm)
93rd Driest Driest since: 1901 1936
33rd Wettest Wettest since: 1898 2008
Nov 1901–Jul 1902
9-Month
29.66"
(753.36mm)
27.67"
(702.82mm)
1.99"
(50.54mm)
76th Driest Driest since: 1901 1934
50th Wettest Wettest since: 1898 1993
Oct 1901–Jul 1902
10-Month
31.66"
(804.16mm)
30.46"
(773.68mm)
1.20"
(30.48mm)
65th Driest Driest since: 1901 1934
61st Wettest Wettest since: 1898 2010
Ties: 1952
Sep 1901–Jul 1902
11-Month
33.46"
(849.88mm)
33.96"
(862.58mm)
-0.50"
(-12.70mm)
51st Driest Driest since: 1901 1934
75th Wettest Wettest since: 1898 1927
Aug 1901–Jul 1902
12-Month
35.26"
(895.60mm)
37.46"
(951.48mm)
-2.20"
(-55.88mm)
37th Driest Driest since: 1901 1934
89th Wettest Wettest since: 1899 1927
Feb 1901–Jul 1902
18-Month
49.54"
(1,258.32mm)
57.89"
(1,470.41mm)
-8.35"
(-212.09mm)
13th Driest Driest to Date 1931
113th Wettest Wettest since: 1901 2010
Aug 1900–Jul 1902
24-Month
64.84"
(1,646.94mm)
74.90"
(1,902.46mm)
-10.06"
(-255.52mm)
11th Driest Driest since: 1901 1954
114th Wettest Wettest since: 1900 2020
Aug 1899–Jul 1902
36-Month
98.47"
(2,501.14mm)
112.32"
(2,852.93mm)
-13.85"
(-351.79mm)
8th Driest Driest to Date 1965
116th Wettest Wettest since: 1901 2010
Aug 1898–Jul 1902
48-Month
135.60"
(3,444.24mm)
149.69"
(3,802.13mm)
-14.09"
(-357.89mm)
6th Driest Driest to Date 1956
117th Wettest Wettest since: 1901 2011
Aug 1897–Jul 1902
60-Month
174.75"
(4,438.65mm)
187.12"
(4,752.85mm)
-12.37"
(-314.20mm)
13th Driest Driest to Date 1934
109th Wettest Wettest since: 1901 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 25, 2020 from https://www.ncdc.noaa.gov/cag/