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, April 2019

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 2019
1-Month
4.58"
(116.33mm)
3.72"
(94.49mm)
0.86"
(21.84mm)
88th Driest Driest since: 2018 1971
38th Wettest Wettest since: 2017 2011
Mar–Apr 2019
2-Month
8.64"
(219.46mm)
6.81"
(172.97mm)
1.83"
(46.49mm)
101st Driest Driest since: 2018 1915
25th Wettest Wettest since: 2017 1973
Feb–Apr 2019
3-Month
11.85"
(300.99mm)
8.66"
(219.96mm)
3.19"
(81.03mm)
110th Driest Driest since: 2018 1895
16th Wettest Wettest since: 2013 1945
Jan–Apr 2019
4-Month
15.16"
(385.06mm)
10.79"
(274.07mm)
4.37"
(110.99mm)
118th Driest Driest since: 2018 1895
8th Wettest Wettest since: 2013 1950
Dec 2018–Apr 2019
5-Month
18.41"
(467.61mm)
13.11"
(332.99mm)
5.30"
(134.62mm)
120th Driest Driest since: 2018 1934
5th Wettest Wettest since: 2008 1950
Nov 2018–Apr 2019
6-Month
21.42"
(544.07mm)
15.87"
(403.10mm)
5.55"
(140.97mm)
118th Driest Driest since: 2018 1934
7th Wettest Wettest since: 1993 1950
Oct 2018–Apr 2019
7-Month
25.10"
(637.54mm)
18.66"
(473.96mm)
6.44"
(163.58mm)
119th Driest Driest since: 2018 1934
6th Wettest Wettest since: 1985 1950
Sep 2018–Apr 2019
8-Month
30.00"
(762.00mm)
22.15"
(562.61mm)
7.85"
(199.39mm)
121st Driest Driest since: 2018 1940
4th Wettest Wettest since: 1973 1927
Aug 2018–Apr 2019
9-Month
34.91"
(886.71mm)
25.65"
(651.51mm)
9.26"
(235.20mm)
122nd Driest Driest since: 2018 1954
3rd Wettest Wettest since: 1973 1927
Jul 2018–Apr 2019
10-Month
38.35"
(974.09mm)
29.29"
(743.97mm)
9.06"
(230.12mm)
121st Driest Driest since: 2018 1931
4th Wettest Wettest since: 1994 1927
Jun 2018–Apr 2019
11-Month
44.64"
(1,133.86mm)
33.35"
(847.09mm)
11.29"
(286.77mm)
122nd Driest Driest since: 2018 1934
3rd Wettest Wettest since: 1994 1927
May 2018–Apr 2019
12-Month
48.44"
(1,230.38mm)
37.43"
(950.72mm)
11.01"
(279.66mm)
122nd Driest Driest since: 2018 1931
3rd Wettest Wettest since: 2016 2016
Nov 2017–Apr 2019
18-Month
64.04"
(1,626.62mm)
53.30"
(1,353.82mm)
10.74"
(272.80mm)
116th Driest Driest since: 2018 1902
8th Wettest Wettest since: 2017 1994
May 2017–Apr 2019
24-Month
85.44"
(2,170.18mm)
74.87"
(1,901.70mm)
10.57"
(268.48mm)
111th Driest Driest since: 2018 1915
13th Wettest Wettest since: 2017 2010
May 2016–Apr 2019
36-Month
129.67"
(3,293.62mm)
112.27"
(2,851.66mm)
17.40"
(441.96mm)
114th Driest Driest since: 2016 1902
9th Wettest Wettest since: 2018 2011
May 2015–Apr 2019
48-Month
178.60"
(4,536.44mm)
149.64"
(3,800.86mm)
28.96"
(735.58mm)
119th Driest Driest since: 2018 1956
3rd Wettest Wettest since: 2012 2011
May 2014–Apr 2019
60-Month
218.03"
(5,537.96mm)
187.06"
(4,751.32mm)
30.97"
(786.64mm)
117th Driest Driest since: 2018 1957
4th Wettest Wettest since: 2013 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 8, 2019 from https://www.ncdc.noaa.gov/cag/