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


Illinois

Precipitation Rankings, December 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
December 2015
1-Month
6.67"
(169.42mm)
2.33"
(59.18mm)
4.34"
(110.24mm)
124th Driest Driest since: 2014 1976
2nd Wettest Wettest since: 1982 1982
Nov–Dec 2015
2-Month
12.19"
(309.63mm)
5.09"
(129.29mm)
7.10"
(180.34mm)
125th Driest Driest since: 2014 1976
1st Wettest Wettest to Date 2015
Oct–Dec 2015
3-Month
13.63"
(346.20mm)
7.88"
(200.15mm)
5.75"
(146.05mm)
121st Driest Driest since: 2014 1904
5th Wettest Wettest since: 2009 1985
Sep–Dec 2015
4-Month
17.05"
(433.07mm)
11.37"
(288.80mm)
5.68"
(144.27mm)
121st Driest Driest since: 2014 1939
5th Wettest Wettest since: 2009 1926
Aug–Dec 2015
5-Month
20.07"
(509.78mm)
14.87"
(377.70mm)
5.20"
(132.08mm)
115th Driest Driest since: 2014 1953
11th Wettest Wettest since: 2009 1926
Jul–Dec 2015
6-Month
25.28"
(642.11mm)
18.51"
(470.15mm)
6.77"
(171.96mm)
120th Driest Driest since: 2014 1953
6th Wettest Wettest since: 2009 1993
Jun–Dec 2015
7-Month
34.72"
(881.89mm)
22.59"
(573.79mm)
12.13"
(308.10mm)
125th Driest Driest since: 2014 1953
1st Wettest Wettest to Date 2015
May–Dec 2015
8-Month
40.11"
(1,018.79mm)
26.68"
(677.67mm)
13.43"
(341.12mm)
125th Driest Driest since: 2014 1953
1st Wettest Wettest to Date 2015
Apr–Dec 2015
9-Month
43.52"
(1,105.41mm)
30.39"
(771.91mm)
13.13"
(333.50mm)
125th Driest Driest since: 2014 1901
1st Wettest Wettest to Date 2015
Mar–Dec 2015
10-Month
45.87"
(1,165.10mm)
33.48"
(850.39mm)
12.39"
(314.71mm)
124th Driest Driest since: 2014 1930
2nd Wettest Wettest since: 2009 2009
Feb–Dec 2015
11-Month
47.30"
(1,201.42mm)
35.34"
(897.64mm)
11.96"
(303.78mm)
121st Driest Driest since: 2014 1930
5th Wettest Wettest since: 2009 2009
Jan–Dec 2015
12-Month
48.80"
(1,239.52mm)
37.47"
(951.74mm)
11.33"
(287.78mm)
119th Driest Driest since: 2014 1901
7th Wettest Wettest since: 2009 1993
Jul 2014–Dec 2015
18-Month
69.48"
(1,764.79mm)
55.97"
(1,421.64mm)
13.51"
(343.15mm)
119th Driest Driest since: 2014 1953
6th Wettest Wettest since: 2009 1927
Jan 2014–Dec 2015
24-Month
90.09"
(2,288.29mm)
74.89"
(1,902.21mm)
15.20"
(386.08mm)
120th Driest Driest since: 2014 1964
5th Wettest Wettest since: 2010 2009
Jan 2013–Dec 2015
36-Month
132.58"
(3,367.53mm)
112.28"
(2,851.91mm)
20.30"
(515.62mm)
119th Driest Driest since: 2014 1964
5th Wettest Wettest since: 2011 2010
Jan 2012–Dec 2015
48-Month
162.69"
(4,132.33mm)
149.70"
(3,802.38mm)
12.99"
(329.95mm)
104th Driest Driest since: 2014 1956
19th Wettest Wettest since: 2012 2011
Jan 2011–Dec 2015
60-Month
208.79"
(5,303.27mm)
187.12"
(4,752.85mm)
21.67"
(550.42mm)
111th Driest Driest since: 2014 1956
11th Wettest Wettest since: 2013 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 27, 2020 from https://www.ncdc.noaa.gov/cag/