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


Illinois

Precipitation Rankings, May 1938

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
May 1938
1-Month
5.15"
(130.81mm)
4.08"
(103.63mm)
1.07"
(27.18mm)
91st Driest Driest since: 1937 1934
35th Wettest Wettest since: 1935 1995
Apr–May 1938
2-Month
8.27"
(210.06mm)
7.80"
(198.12mm)
0.47"
(11.94mm)
74th Driest Driest since: 1937 1934
52nd Wettest Wettest since: 1935 1927
Mar–May 1938
3-Month
13.93"
(353.82mm)
10.89"
(276.61mm)
3.04"
(77.21mm)
99th Driest Driest since: 1937 1934
27th Wettest Wettest since: 1935 1927
Feb–May 1938
4-Month
16.34"
(415.04mm)
12.75"
(323.85mm)
3.59"
(91.19mm)
106th Driest Driest since: 1937 1934
20th Wettest Wettest since: 1933 2019
Ties: 2017
Jan–May 1938
5-Month
18.85"
(478.79mm)
14.87"
(377.70mm)
3.98"
(101.09mm)
106th Driest Driest since: 1937 1934
20th Wettest Wettest since: 1933 2019
Ties: 1909
Dec 1937–May 1938
6-Month
20.95"
(532.13mm)
17.20"
(436.88mm)
3.75"
(95.25mm)
104th Driest Driest since: 1937 1934
21st Wettest Wettest since: 1933 2019
Nov 1937–May 1938
7-Month
22.42"
(569.47mm)
19.95"
(506.73mm)
2.47"
(62.74mm)
91st Driest Driest since: 1937 1934
34th Wettest Wettest since: 1935 2019
Oct 1937–May 1938
8-Month
25.98"
(659.89mm)
22.74"
(577.60mm)
3.24"
(82.29mm)
95th Driest Driest since: 1937 1934
30th Wettest Wettest since: 1935 2019
Sep 1937–May 1938
9-Month
28.33"
(719.58mm)
26.24"
(666.50mm)
2.09"
(53.08mm)
87th Driest Driest since: 1936 1934
38th Wettest Wettest since: 1937 1927
Aug 1937–May 1938
10-Month
30.82"
(782.83mm)
29.74"
(755.40mm)
1.08"
(27.43mm)
69th Driest Driest since: 1936 1934
56th Wettest Wettest since: 1937 1927
Jul 1937–May 1938
11-Month
33.95"
(862.33mm)
33.37"
(847.60mm)
0.58"
(14.73mm)
63rd Driest Driest since: 1936 1934
62nd Wettest Wettest since: 1937 1927
Jun 1937–May 1938
12-Month
39.06"
(992.12mm)
37.43"
(950.72mm)
1.63"
(41.40mm)
72nd Driest Driest since: 1937 1934
53rd Wettest Wettest since: 1935 1927
Dec 1936–May 1938
18-Month
58.35"
(1,482.09mm)
54.62"
(1,387.35mm)
3.73"
(94.74mm)
82nd Driest Driest since: 1937 1902
42nd Wettest Wettest since: 1929 2009
Jun 1936–May 1938
24-Month
76.10"
(1,932.94mm)
74.85"
(1,901.19mm)
1.25"
(31.75mm)
64th Driest Driest since: 1937 1941
60th Wettest Wettest since: 1936 1974
Jun 1935–May 1938
36-Month
108.09"
(2,745.49mm)
112.24"
(2,850.90mm)
-4.15"
(-105.41mm)
33rd Driest Driest since: 1936 1902
90th Wettest Wettest since: 1937 2011
Jun 1934–May 1938
48-Month
152.41"
(3,871.21mm)
149.63"
(3,800.60mm)
2.78"
(70.61mm)
68th Driest Driest since: 1937 1956
54th Wettest Wettest since: 1930 2011
Jun 1933–May 1938
60-Month
174.57"
(4,434.08mm)
187.07"
(4,751.58mm)
-12.50"
(-317.50mm)
14th Driest Driest since: 1935 1934
107th Wettest Wettest since: 1937 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 23, 2020 from https://www.ncdc.noaa.gov/cag/