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


Illinois

Precipitation Rankings, June 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
June 2018
1-Month
6.29"
(159.77mm)
4.09"
(103.89mm)
2.20"
(55.88mm)
111th Driest Driest since: 2017 1988
15th Wettest Wettest since: 2015 2015
May–Jun 2018
2-Month
10.09"
(256.29mm)
8.17"
(207.52mm)
1.92"
(48.77mm)
92nd Driest Driest since: 2017 1988
34th Wettest Wettest since: 2015 2015
Apr–Jun 2018
3-Month
12.51"
(317.75mm)
11.88"
(301.75mm)
0.63"
(16.00mm)
79th Driest Driest since: 2016 1988
47th Wettest Wettest since: 2017 2011
Mar–Jun 2018
4-Month
16.42"
(417.07mm)
14.97"
(380.24mm)
1.45"
(36.83mm)
88th Driest Driest since: 2016 2005
38th Wettest Wettest since: 2017 1945
Feb–Jun 2018
5-Month
21.29"
(540.77mm)
16.83"
(427.48mm)
4.46"
(113.29mm)
107th Driest Driest since: 2017 1934
19th Wettest Wettest since: 2015 1945
Jan–Jun 2018
6-Month
22.59"
(573.79mm)
18.96"
(481.58mm)
3.63"
(92.21mm)
100th Driest Driest since: 2017 1934
26th Wettest Wettest since: 2015 2019
Dec 2017–Jun 2018
7-Month
23.43"
(595.12mm)
21.28"
(540.51mm)
2.15"
(54.61mm)
85th Driest Driest since: 2017 1934
40th Wettest Wettest since: 2015 2019
Nov 2017–Jun 2018
8-Month
25.69"
(652.53mm)
24.04"
(610.62mm)
1.65"
(41.91mm)
77th Driest Driest since: 2017 1934
48th Wettest Wettest since: 2016 2019
Oct 2017–Jun 2018
9-Month
30.69"
(779.53mm)
26.83"
(681.48mm)
3.86"
(98.05mm)
96th Driest Driest since: 2017 1934
29th Wettest Wettest since: 2015 2019
Sep 2017–Jun 2018
10-Month
31.52"
(800.61mm)
30.32"
(770.13mm)
1.20"
(30.48mm)
69th Driest Driest since: 2017 1934
56th Wettest Wettest since: 2016 1927
Aug 2017–Jun 2018
11-Month
33.92"
(861.57mm)
33.82"
(859.03mm)
0.10"
(2.54mm)
56th Driest Driest since: 2014 1934
69th Wettest Wettest since: 2017 1927
Jul 2017–Jun 2018
12-Month
38.73"
(983.74mm)
37.46"
(951.48mm)
1.27"
(32.26mm)
69th Driest Driest since: 2014 1934
56th Wettest Wettest since: 2017 1927
Jan 2017–Jun 2018
18-Month
60.39"
(1,533.91mm)
56.38"
(1,432.05mm)
4.01"
(101.86mm)
82nd Driest Driest since: 2013 1931
43rd Wettest Wettest since: 2017 2009
Jul 2016–Jun 2018
24-Month
83.85"
(2,129.79mm)
74.91"
(1,902.71mm)
8.94"
(227.08mm)
102nd Driest Driest since: 2015 1954
22nd Wettest Wettest since: 2017 1974
Jul 2015–Jun 2018
36-Month
125.42"
(3,185.67mm)
112.32"
(2,852.93mm)
13.10"
(332.74mm)
108th Driest Driest since: 2016 1956
15th Wettest Wettest since: 2017 2011
Jul 2014–Jun 2018
48-Month
169.62"
(4,308.35mm)
149.71"
(3,802.63mm)
19.91"
(505.72mm)
110th Driest Driest since: 2017 1956
12th Wettest Wettest since: 2013 2011
Jul 2013–Jun 2018
60-Month
204.82"
(5,202.43mm)
187.15"
(4,753.61mm)
17.67"
(448.82mm)
104th Driest Driest since: 2016 1934
17th Wettest Wettest since: 2017 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/