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 January 2020. For more information, please see Climatological Rankings.


Illinois

Precipitation Rankings, July 1899

View Period (Months):All12345678910111218243648
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1899
1-Month
3.54"
(89.92mm)
3.64"
(92.46mm)
-0.10"
(-2.54mm)
67th Driest Driest since: 1898 1930
59th Wettest Wettest since: 1896 1958
Jun–Jul 1899
2-Month
6.04"
(153.42mm)
7.72"
(196.09mm)
-1.68"
(-42.67mm)
25th Driest Driest to Date 1936
101st Wettest Wettest since: 1898 2015
May–Jul 1899
3-Month
12.03"
(305.56mm)
11.81"
(299.97mm)
0.22"
(5.59mm)
67th Driest Driest since: 1897 1936
59th Wettest Wettest since: 1898 2015
Apr–Jul 1899
4-Month
13.57"
(344.68mm)
15.52"
(394.21mm)
-1.95"
(-49.53mm)
37th Driest Driest since: 1895 1988
89th Wettest Wettest since: 1898 1957
Mar–Jul 1899
5-Month
16.61"
(421.89mm)
18.61"
(472.69mm)
-2.00"
(-50.80mm)
37th Driest Driest since: 1895 1936
89th Wettest Wettest since: 1898 1973
Feb–Jul 1899
6-Month
18.68"
(474.47mm)
20.47"
(519.94mm)
-1.79"
(-45.47mm)
34th Driest Driest since: 1895 1936
92nd Wettest Wettest since: 1898 2008
Jan–Jul 1899
7-Month
20.43"
(518.92mm)
22.60"
(574.04mm)
-2.17"
(-55.12mm)
35th Driest Driest since: 1895 1936
91st Wettest Wettest since: 1898 2008
Dec 1898–Jul 1899
8-Month
21.89"
(556.01mm)
24.92"
(632.97mm)
-3.03"
(-76.96mm)
28th Driest Driest to Date 1936
97th Wettest Wettest since: 1898 2008
Nov 1898–Jul 1899
9-Month
24.09"
(611.89mm)
27.67"
(702.82mm)
-3.58"
(-90.93mm)
25th Driest Driest to Date 1934
100th Wettest Wettest since: 1898 1993
Oct 1898–Jul 1899
10-Month
28.08"
(713.23mm)
30.46"
(773.68mm)
-2.38"
(-60.45mm)
32nd Driest Driest to Date 1934
93rd Wettest Wettest since: 1898 2010
Sep 1898–Jul 1899
11-Month
32.88"
(835.15mm)
33.96"
(862.58mm)
-1.08"
(-27.43mm)
48th Driest Driest to Date 1934
77th Wettest Wettest since: 1898 1927
Aug 1898–Jul 1899
12-Month
37.13"
(943.10mm)
37.46"
(951.48mm)
-0.33"
(-8.38mm)
50th Driest Driest to Date 1934
75th Wettest Wettest since: 1898 1927
Feb 1898–Jul 1899
18-Month
62.90"
(1,597.66mm)
57.89"
(1,470.41mm)
5.01"
(127.25mm)
91st Driest Driest since: 1898 1931
34th Wettest Wettest to Date 2010
Aug 1897–Jul 1899
24-Month
76.28"
(1,937.51mm)
74.90"
(1,902.46mm)
1.38"
(35.05mm)
65th Driest Driest to Date 1954
59th Wettest Wettest since: 1898 2010
Aug 1896–Jul 1899
36-Month
115.58"
(2,935.73mm)
112.32"
(2,852.93mm)
3.26"
(82.80mm)
72nd Driest Driest to Date 1965
51st Wettest Wettest since: 1898 2010
Aug 1895–Jul 1899
48-Month
153.73"
(3,904.74mm)
149.69"
(3,802.13mm)
4.04"
(102.61mm)
69th Driest Driest to Date 1956
53rd Wettest Wettest to Date 2011

Citing This Page

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