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 November 2019. For more information, please see Climatological Rankings.


Illinois

Precipitation Rankings, April 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
April 1939
1-Month
4.94"
(125.48mm)
3.72"
(94.49mm)
1.22"
(30.99mm)
96th Driest Driest since: 1938 1971
30th Wettest Wettest since: 1929 2011
Mar–Apr 1939
2-Month
8.24"
(209.30mm)
6.81"
(172.97mm)
1.43"
(36.33mm)
94th Driest Driest since: 1937 1915
32nd Wettest Wettest since: 1938 1973
Feb–Apr 1939
3-Month
11.51"
(292.35mm)
8.66"
(219.96mm)
2.85"
(72.39mm)
108th Driest Driest since: 1938 1895
18th Wettest Wettest since: 1927 1945
Jan–Apr 1939
4-Month
14.55"
(369.57mm)
10.79"
(274.07mm)
3.76"
(95.50mm)
112th Driest Driest since: 1938 1895
14th Wettest Wettest since: 1927 1950
Dec 1938–Apr 1939
5-Month
16.24"
(412.50mm)
13.11"
(332.99mm)
3.13"
(79.51mm)
106th Driest Driest since: 1938 1934
19th Wettest Wettest since: 1927 1950
Nov 1938–Apr 1939
6-Month
18.54"
(470.92mm)
15.87"
(403.10mm)
2.67"
(67.82mm)
96th Driest Driest since: 1938 1934
29th Wettest Wettest since: 1929 1950
Oct 1938–Apr 1939
7-Month
19.85"
(504.19mm)
18.66"
(473.96mm)
1.19"
(30.23mm)
82nd Driest Driest since: 1936 1934
43rd Wettest Wettest since: 1938 1950
Ties: 1945
Sep 1938–Apr 1939
8-Month
23.01"
(584.45mm)
22.15"
(562.61mm)
0.86"
(21.84mm)
74th Driest Driest since: 1936 1940
51st Wettest Wettest since: 1938 1927
Aug 1938–Apr 1939
9-Month
26.39"
(670.31mm)
25.65"
(651.51mm)
0.74"
(18.80mm)
70th Driest Driest since: 1938 1954
55th Wettest Wettest since: 1937 1927
Jul 1938–Apr 1939
10-Month
31.13"
(790.70mm)
29.29"
(743.97mm)
1.84"
(46.73mm)
77th Driest Driest since: 1938 1931
48th Wettest Wettest since: 1937 1927
Jun 1938–Apr 1939
11-Month
36.28"
(921.51mm)
33.35"
(847.09mm)
2.93"
(74.42mm)
87th Driest Driest since: 1938 1934
38th Wettest Wettest since: 1935 1927
May 1938–Apr 1939
12-Month
41.43"
(1,052.32mm)
37.43"
(950.72mm)
4.00"
(101.60mm)
93rd Driest Driest since: 1938 1931
32nd Wettest Wettest since: 1929 2016
Nov 1937–Apr 1939
18-Month
58.70"
(1,490.98mm)
53.30"
(1,353.82mm)
5.40"
(137.16mm)
98th Driest Driest since: 1938 1902
26th Wettest Wettest since: 1928 1994
May 1937–Apr 1939
24-Month
78.54"
(1,994.92mm)
74.87"
(1,901.70mm)
3.67"
(93.22mm)
82nd Driest Driest since: 1938 1915
42nd Wettest Wettest since: 1930 2010
Ties: 1971
May 1936–Apr 1939
36-Month
114.46"
(2,907.28mm)
112.27"
(2,851.66mm)
2.19"
(55.62mm)
71st Driest Driest since: 1938 1902
52nd Wettest Wettest since: 1930 2011
Ties: 1988
May 1935–Apr 1939
48-Month
152.20"
(3,865.88mm)
149.64"
(3,800.86mm)
2.56"
(65.02mm)
65th Driest Driest since: 1938 1956
57th Wettest Wettest since: 1930 2011
May 1934–Apr 1939
60-Month
189.68"
(4,817.87mm)
187.06"
(4,751.32mm)
2.62"
(66.55mm)
63rd Driest Driest since: 1938 1957
58th Wettest Wettest since: 1931 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 14, 2019 from https://www.ncdc.noaa.gov/cag/