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 1939

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 1939
1-Month
3.53"
(89.66mm)
3.64"
(92.46mm)
-0.11"
(-2.80mm)
66th Driest Driest since: 1937 1930
60th Wettest Wettest since: 1938 1958
Jun–Jul 1939
2-Month
8.71"
(221.23mm)
7.72"
(196.09mm)
0.99"
(25.14mm)
87th Driest Driest since: 1937 1936
39th Wettest Wettest since: 1938 2015
Ties: 1949
May–Jul 1939
3-Month
11.09"
(281.69mm)
11.81"
(299.97mm)
-0.72"
(-18.28mm)
48th Driest Driest since: 1936 1936
78th Wettest Wettest since: 1938 2015
Ties: 1904
Apr–Jul 1939
4-Month
16.03"
(407.16mm)
15.52"
(394.21mm)
0.51"
(12.95mm)
68th Driest Driest since: 1936 1988
58th Wettest Wettest since: 1938 1957
Mar–Jul 1939
5-Month
19.33"
(490.98mm)
18.61"
(472.69mm)
0.72"
(18.29mm)
66th Driest Driest since: 1937 1936
60th Wettest Wettest since: 1938 1973
Feb–Jul 1939
6-Month
22.60"
(574.04mm)
20.47"
(519.94mm)
2.13"
(54.10mm)
88th Driest Driest since: 1937 1936
38th Wettest Wettest since: 1938 2008
Jan–Jul 1939
7-Month
25.64"
(651.26mm)
22.60"
(574.04mm)
3.04"
(77.22mm)
90th Driest Driest since: 1937 1936
36th Wettest Wettest since: 1938 2008
Dec 1938–Jul 1939
8-Month
27.33"
(694.18mm)
24.92"
(632.97mm)
2.41"
(61.21mm)
82nd Driest Driest since: 1936 1936
43rd Wettest Wettest since: 1938 2008
Ties: 1999
Nov 1938–Jul 1939
9-Month
29.63"
(752.60mm)
27.67"
(702.82mm)
1.96"
(49.78mm)
75th Driest Driest since: 1936 1934
50th Wettest Wettest since: 1938 1993
Oct 1938–Jul 1939
10-Month
30.94"
(785.88mm)
30.46"
(773.68mm)
0.48"
(12.20mm)
58th Driest Driest since: 1936 1934
67th Wettest Wettest since: 1938 2010
Sep 1938–Jul 1939
11-Month
34.10"
(866.14mm)
33.96"
(862.58mm)
0.14"
(3.56mm)
57th Driest Driest since: 1936 1934
68th Wettest Wettest since: 1938 1927
Aug 1938–Jul 1939
12-Month
37.48"
(951.99mm)
37.46"
(951.48mm)
0.02"
(0.51mm)
53rd Driest Driest since: 1936 1934
72nd Wettest Wettest since: 1938 1927
Feb 1938–Jul 1939
18-Month
63.71"
(1,618.23mm)
57.89"
(1,470.41mm)
5.82"
(147.82mm)
96th Driest Driest since: 1938 1931
29th Wettest Wettest since: 1929 2010
Aug 1937–Jul 1939
24-Month
78.19"
(1,986.03mm)
74.90"
(1,902.46mm)
3.29"
(83.57mm)
80th Driest Driest since: 1937 1954
44th Wettest Wettest since: 1938 2010
Aug 1936–Jul 1939
36-Month
120.60"
(3,063.24mm)
112.32"
(2,852.93mm)
8.28"
(210.31mm)
95th Driest Driest since: 1938 1965
28th Wettest Wettest since: 1929 2010
Aug 1935–Jul 1939
48-Month
146.32"
(3,716.53mm)
149.69"
(3,802.13mm)
-3.37"
(-85.60mm)
43rd Driest Driest since: 1937 1956
79th Wettest Wettest since: 1938 2011
Aug 1934–Jul 1939
60-Month
193.54"
(4,915.92mm)
187.12"
(4,752.85mm)
6.42"
(163.07mm)
78th Driest Driest since: 1938 1934
43rd Wettest Wettest since: 1931 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/