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 2015

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 2015
1-Month
3.41"
(86.61mm)
3.72"
(94.49mm)
-0.31"
(-7.88mm)
62nd Driest Driest since: 2012 1971
64th Wettest Wettest since: 2014 2011
Ties: 1951
Mar–Apr 2015
2-Month
5.76"
(146.30mm)
6.81"
(172.97mm)
-1.05"
(-26.67mm)
40th Driest Driest since: 2012 1915
86th Wettest Wettest since: 2014 1973
Feb–Apr 2015
3-Month
7.19"
(182.63mm)
8.66"
(219.96mm)
-1.47"
(-37.33mm)
33rd Driest Driest since: 2012 1895
93rd Wettest Wettest since: 2014 1945
Ties: 1969
Jan–Apr 2015
4-Month
8.69"
(220.73mm)
10.79"
(274.07mm)
-2.10"
(-53.34mm)
31st Driest Driest since: 2012 1895
95th Wettest Wettest since: 2014 1950
Dec 2014–Apr 2015
5-Month
10.59"
(268.99mm)
13.11"
(332.99mm)
-2.52"
(-64.00mm)
20th Driest Driest since: 2003 1934
105th Wettest Wettest since: 2014 1950
Nov 2014–Apr 2015
6-Month
12.45"
(316.23mm)
15.87"
(403.10mm)
-3.42"
(-86.87mm)
19th Driest Driest since: 2003 1934
106th Wettest Wettest since: 2014 1950
Oct 2014–Apr 2015
7-Month
16.78"
(426.21mm)
18.66"
(473.96mm)
-1.88"
(-47.75mm)
34th Driest Driest since: 2003 1934
91st Wettest Wettest since: 2014 1950
Sep 2014–Apr 2015
8-Month
20.89"
(530.61mm)
22.15"
(562.61mm)
-1.26"
(-32.00mm)
39th Driest Driest since: 2014 1940
86th Wettest Wettest since: 2013 1927
Aug 2014–Apr 2015
9-Month
26.08"
(662.43mm)
25.65"
(651.51mm)
0.43"
(10.92mm)
66th Driest Driest since: 2014 1954
59th Wettest Wettest since: 2013 1927
Jul 2014–Apr 2015
10-Month
29.37"
(746.00mm)
29.29"
(743.97mm)
0.08"
(2.03mm)
62nd Driest Driest since: 2014 1931
63rd Wettest Wettest since: 2013 1927
Ties: 1987
Jun 2014–Apr 2015
11-Month
36.14"
(917.96mm)
33.35"
(847.09mm)
2.79"
(70.87mm)
85th Driest Driest since: 2014 1934
40th Wettest Wettest since: 2011 1927
May 2014–Apr 2015
12-Month
39.43"
(1,001.52mm)
37.43"
(950.72mm)
2.00"
(50.80mm)
77th Driest Driest since: 2014 1931
48th Wettest Wettest since: 2012 2016
Nov 2013–Apr 2015
18-Month
54.95"
(1,395.73mm)
53.30"
(1,353.82mm)
1.65"
(41.91mm)
68th Driest Driest since: 2013 1902
56th Wettest Wettest since: 2014 1994
Ties: 1909
May 2013–Apr 2015
24-Month
76.47"
(1,942.34mm)
74.87"
(1,901.70mm)
1.60"
(40.64mm)
64th Driest Driest since: 2014 1915
60th Wettest Wettest since: 2013 2010
May 2012–Apr 2015
36-Month
114.00"
(2,895.60mm)
112.27"
(2,851.66mm)
1.73"
(43.94mm)
64th Driest Driest since: 2008 1902
59th Wettest Wettest since: 2014 2011
May 2011–Apr 2015
48-Month
153.91"
(3,909.31mm)
149.64"
(3,800.86mm)
4.27"
(108.45mm)
75th Driest Driest since: 2006 1956
47th Wettest Wettest since: 2014 2011
May 2010–Apr 2015
60-Month
200.29"
(5,087.37mm)
187.06"
(4,751.32mm)
13.23"
(336.05mm)
97th Driest Driest since: 2008 1957
24th Wettest Wettest since: 2014 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 15, 2019 from https://www.ncdc.noaa.gov/cag/