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


Illinois

Precipitation Rankings, May 1899

View Period (Months):All12345678910111218243648
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1899
1-Month
5.99"
(152.15mm)
4.08"
(103.63mm)
1.91"
(48.52mm)
107th Driest Driest since: 1897 1934
19th Wettest Wettest since: 1898 1995
Apr–May 1899
2-Month
7.53"
(191.26mm)
7.80"
(198.12mm)
-0.27"
(-6.86mm)
57th Driest Driest since: 1897 1934
69th Wettest Wettest since: 1898 1927
Mar–May 1899
3-Month
10.57"
(268.48mm)
10.89"
(276.61mm)
-0.32"
(-8.13mm)
57th Driest Driest since: 1896 1934
69th Wettest Wettest since: 1898 1927
Feb–May 1899
4-Month
12.64"
(321.06mm)
12.75"
(323.85mm)
-0.11"
(-2.79mm)
61st Driest Driest since: 1896 1934
65th Wettest Wettest since: 1898 2019
Jan–May 1899
5-Month
14.39"
(365.51mm)
14.87"
(377.70mm)
-0.48"
(-12.19mm)
57th Driest Driest since: 1896 1934
69th Wettest Wettest since: 1898 2019
Dec 1898–May 1899
6-Month
15.85"
(402.59mm)
17.20"
(436.88mm)
-1.35"
(-34.29mm)
36th Driest Driest to Date 1934
89th Wettest Wettest since: 1898 2019
Nov 1898–May 1899
7-Month
18.05"
(458.47mm)
19.95"
(506.73mm)
-1.90"
(-48.26mm)
32nd Driest Driest to Date 1934
93rd Wettest Wettest since: 1898 2019
Oct 1898–May 1899
8-Month
22.04"
(559.82mm)
22.74"
(577.60mm)
-0.70"
(-17.78mm)
50th Driest Driest to Date 1934
75th Wettest Wettest since: 1898 2019
Sep 1898–May 1899
9-Month
26.84"
(681.74mm)
26.24"
(666.50mm)
0.60"
(15.24mm)
70th Driest Driest since: 1896 1934
55th Wettest Wettest since: 1898 1927
Aug 1898–May 1899
10-Month
31.09"
(789.69mm)
29.74"
(755.40mm)
1.35"
(34.29mm)
72nd Driest Driest since: 1896 1934
53rd Wettest Wettest since: 1898 1927
Jul 1898–May 1899
11-Month
34.08"
(865.63mm)
33.37"
(847.60mm)
0.71"
(18.03mm)
65th Driest Driest since: 1896 1934
60th Wettest Wettest since: 1898 1927
Jun 1898–May 1899
12-Month
38.56"
(979.42mm)
37.43"
(950.72mm)
1.13"
(28.70mm)
68th Driest Driest since: 1896 1934
57th Wettest Wettest since: 1898 1927
Dec 1897–May 1899
18-Month
63.60"
(1,615.44mm)
54.62"
(1,387.35mm)
8.98"
(228.09mm)
106th Driest Driest since: 1898 1902
18th Wettest Wettest to Date 2009
Jun 1897–May 1899
24-Month
78.34"
(1,989.84mm)
74.85"
(1,901.19mm)
3.49"
(88.65mm)
78th Driest Driest since: 1897 1941
46th Wettest Wettest since: 1898 1974
Jun 1896–May 1899
36-Month
119.59"
(3,037.59mm)
112.24"
(2,850.90mm)
7.35"
(186.69mm)
95th Driest Driest since: 1898 1902
28th Wettest Wettest to Date 2011
Ties: 1950
Jun 1895–May 1899
48-Month
155.74"
(3,955.80mm)
149.63"
(3,800.60mm)
6.11"
(155.20mm)
83rd Driest Driest to Date 1956
39th Wettest Wettest to Date 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 13, 2019 from https://www.ncdc.noaa.gov/cag/