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 2011

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 2011
1-Month
5.28"
(134.11mm)
4.08"
(103.63mm)
1.20"
(30.48mm)
96th Driest Driest since: 2007 1934
30th Wettest Wettest since: 2010 1995
Apr–May 2011
2-Month
12.90"
(327.66mm)
7.80"
(198.12mm)
5.10"
(129.54mm)
121st Driest Driest since: 2010 1934
5th Wettest Wettest since: 1995 1927
Mar–May 2011
3-Month
15.62"
(396.75mm)
10.89"
(276.61mm)
4.73"
(120.14mm)
115th Driest Driest since: 2010 1934
11th Wettest Wettest since: 2009 1927
Feb–May 2011
4-Month
18.86"
(479.04mm)
12.75"
(323.85mm)
6.11"
(155.19mm)
121st Driest Driest since: 2010 1934
5th Wettest Wettest since: 1945 2019
Jan–May 2011
5-Month
20.05"
(509.27mm)
14.87"
(377.70mm)
5.18"
(131.57mm)
116th Driest Driest since: 2010 1934
10th Wettest Wettest since: 2008 2019
Dec 2010–May 2011
6-Month
21.82"
(554.23mm)
17.20"
(436.88mm)
4.62"
(117.35mm)
107th Driest Driest since: 2010 1934
18th Wettest Wettest since: 2009 2019
Nov 2010–May 2011
7-Month
24.97"
(634.24mm)
19.95"
(506.73mm)
5.02"
(127.51mm)
104th Driest Driest since: 2010 1934
21st Wettest Wettest since: 2009 2019
Oct 2010–May 2011
8-Month
26.29"
(667.77mm)
22.74"
(577.60mm)
3.55"
(90.17mm)
98th Driest Driest since: 2007 1934
27th Wettest Wettest since: 2010 2019
Sep 2010–May 2011
9-Month
30.02"
(762.51mm)
26.24"
(666.50mm)
3.78"
(96.01mm)
95th Driest Driest since: 2007 1934
30th Wettest Wettest since: 2010 1927
Aug 2010–May 2011
10-Month
33.20"
(843.28mm)
29.74"
(755.40mm)
3.46"
(87.88mm)
91st Driest Driest since: 2007 1934
34th Wettest Wettest since: 2010 1927
Jul 2010–May 2011
11-Month
38.55"
(979.17mm)
33.37"
(847.60mm)
5.18"
(131.57mm)
102nd Driest Driest since: 2007 1934
23rd Wettest Wettest since: 2010 1927
Jun 2010–May 2011
12-Month
46.26"
(1,175.00mm)
37.43"
(950.72mm)
8.83"
(224.28mm)
116th Driest Driest since: 2010 1934
9th Wettest Wettest since: 2009 1927
Dec 2009–May 2011
18-Month
64.71"
(1,643.63mm)
54.62"
(1,387.35mm)
10.09"
(256.28mm)
111th Driest Driest since: 2008 1902
13th Wettest Wettest since: 2010 2009
Jun 2009–May 2011
24-Month
92.39"
(2,346.71mm)
74.85"
(1,901.19mm)
17.54"
(445.52mm)
120th Driest Driest since: 2009 1941
4th Wettest Wettest since: 2010 1974
Jun 2008–May 2011
36-Month
140.80"
(3,576.32mm)
112.24"
(2,850.90mm)
28.56"
(725.42mm)
122nd Driest Driest since: 2010 1902
1st Wettest Wettest to Date 2011
Jun 2007–May 2011
48-Month
184.34"
(4,682.24mm)
149.63"
(3,800.60mm)
34.71"
(881.64mm)
121st Driest Driest since: 2010 1956
1st Wettest Wettest to Date 2011
Jun 2006–May 2011
60-Month
223.62"
(5,679.95mm)
187.07"
(4,751.58mm)
36.55"
(928.37mm)
120th Driest Driest since: 2010 1934
1st 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 14, 2019 from https://www.ncdc.noaa.gov/cag/