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, October 2015

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
October 2015
1-Month
1.44"
(36.58mm)
2.79"
(70.87mm)
-1.35"
(-34.29mm)
21st Driest Driest since: 2010 1964
105th Wettest Wettest since: 2014 1941
Ties: 1958
Sep–Oct 2015
2-Month
4.86"
(123.44mm)
6.29"
(159.77mm)
-1.43"
(-36.33mm)
32nd Driest Driest since: 1999 1897
94th Wettest Wettest since: 2014 1941
Ties: 1957
Aug–Oct 2015
3-Month
7.88"
(200.15mm)
9.78"
(248.41mm)
-1.90"
(-48.26mm)
31st Driest Driest since: 2013 1897
95th Wettest Wettest since: 2014 1926
Ties: 1944
Jul–Oct 2015
4-Month
13.09"
(332.49mm)
13.42"
(340.87mm)
-0.33"
(-8.38mm)
55th Driest Driest since: 2013 1897
71st Wettest Wettest since: 2014 1993
Jun–Oct 2015
5-Month
22.53"
(572.26mm)
17.50"
(444.50mm)
5.03"
(127.76mm)
110th Driest Driest since: 2013 1908
16th Wettest Wettest since: 2014 1993
May–Oct 2015
6-Month
27.92"
(709.17mm)
21.59"
(548.39mm)
6.33"
(160.78mm)
115th Driest Driest since: 2014 1897
11th Wettest Wettest since: 2009 1993
Apr–Oct 2015
7-Month
31.33"
(795.78mm)
25.30"
(642.62mm)
6.03"
(153.16mm)
116th Driest Driest since: 2013 1988
10th Wettest Wettest since: 2014 2009
Mar–Oct 2015
8-Month
33.68"
(855.47mm)
28.39"
(721.11mm)
5.29"
(134.36mm)
110th Driest Driest since: 2014 1988
16th Wettest Wettest since: 2009 2009
Feb–Oct 2015
9-Month
35.11"
(891.79mm)
30.25"
(768.35mm)
4.86"
(123.44mm)
104th Driest Driest since: 2013 1988
22nd Wettest Wettest since: 2014 2009
Jan–Oct 2015
10-Month
36.61"
(929.89mm)
32.38"
(822.45mm)
4.23"
(107.44mm)
100th Driest Driest since: 2012 1901
26th Wettest Wettest since: 2014 2019
Dec 2014–Oct 2015
11-Month
38.51"
(978.15mm)
34.70"
(881.38mm)
3.81"
(96.77mm)
91st Driest Driest since: 2012 1901
34th Wettest Wettest since: 2014 2019
Nov 2014–Oct 2015
12-Month
40.37"
(1,025.40mm)
37.45"
(951.23mm)
2.92"
(74.17mm)
81st Driest Driest since: 2012 1901
44th Wettest Wettest since: 2014 1993
May 2014–Oct 2015
18-Month
67.35"
(1,710.69mm)
59.01"
(1,498.85mm)
8.34"
(211.84mm)
110th Driest Driest since: 2014 1940
15th Wettest Wettest since: 2011 2009
Nov 2013–Oct 2015
24-Month
82.87"
(2,104.90mm)
74.88"
(1,901.95mm)
7.99"
(202.95mm)
102nd Driest Driest since: 2013 1964
22nd Wettest Wettest since: 2014 2009
Nov 2012–Oct 2015
36-Month
123.85"
(3,145.79mm)
112.27"
(2,851.66mm)
11.58"
(294.13mm)
104th Driest Driest since: 2014 1901
19th Wettest Wettest since: 2011 2010
Nov 2011–Oct 2015
48-Month
159.02"
(4,039.11mm)
149.71"
(3,802.63mm)
9.31"
(236.48mm)
90th Driest Driest since: 2007 1956
32nd Wettest Wettest since: 2014 2011
Nov 2010–Oct 2015
60-Month
201.52"
(5,118.61mm)
187.11"
(4,752.59mm)
14.41"
(366.02mm)
97th Driest Driest since: 2008 1956
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 10, 2019 from https://www.ncdc.noaa.gov/cag/