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, October 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 1901
1-Month
2.00"
(50.80mm)
2.79"
(70.87mm)
-0.79"
(-20.07mm)
41st Driest Driest since: 1897 1964
85th Wettest Wettest since: 1900 1941
Sep–Oct 1901
2-Month
3.80"
(96.52mm)
6.29"
(159.77mm)
-2.49"
(-63.25mm)
13th Driest Driest since: 1897 1897
113th Wettest Wettest since: 1900 1941
Aug–Oct 1901
3-Month
5.60"
(142.24mm)
9.78"
(248.41mm)
-4.18"
(-106.17mm)
6th Driest Driest since: 1897 1897
120th Wettest Wettest since: 1900 1926
Jul–Oct 1901
4-Month
8.02"
(203.71mm)
13.42"
(340.87mm)
-5.40"
(-137.16mm)
4th Driest Driest since: 1897 1897
122nd Wettest Wettest since: 1900 1993
Jun–Oct 1901
5-Month
11.38"
(289.05mm)
17.50"
(444.50mm)
-6.12"
(-155.45mm)
6th Driest Driest since: 1897 1908
120th Wettest Wettest since: 1900 1993
May–Oct 1901
6-Month
13.25"
(336.55mm)
21.59"
(548.39mm)
-8.34"
(-211.84mm)
3rd Driest Driest since: 1897 1897
123rd Wettest Wettest since: 1900 1993
Apr–Oct 1901
7-Month
14.86"
(377.44mm)
25.30"
(642.62mm)
-10.44"
(-265.18mm)
2nd Driest Driest to Date 1988
124th Wettest Wettest since: 1900 2009
Mar–Oct 1901
8-Month
18.29"
(464.57mm)
28.39"
(721.11mm)
-10.10"
(-256.54mm)
3rd Driest Driest to Date 1988
123rd Wettest Wettest since: 1900 2009
Feb–Oct 1901
9-Month
19.88"
(504.95mm)
30.25"
(768.35mm)
-10.37"
(-263.40mm)
2nd Driest Driest to Date 1988
124th Wettest Wettest since: 1900 2009
Jan–Oct 1901
10-Month
21.39"
(543.31mm)
32.38"
(822.45mm)
-10.99"
(-279.14mm)
1st Driest Driest to Date 1901
125th Wettest Wettest since: 1900 2019
Dec 1900–Oct 1901
11-Month
22.27"
(565.66mm)
34.70"
(881.38mm)
-12.43"
(-315.72mm)
1st Driest Driest to Date 1901
124th Wettest Wettest since: 1900 2019
Nov 1900–Oct 1901
12-Month
25.14"
(638.56mm)
37.45"
(951.23mm)
-12.31"
(-312.67mm)
1st Driest Driest to Date 1901
124th Wettest Wettest since: 1900 1993
May 1900–Oct 1901
18-Month
48.02"
(1,219.71mm)
59.01"
(1,498.85mm)
-10.99"
(-279.14mm)
7th Driest Driest to Date 1940
118th Wettest Wettest since: 1900 2009
Nov 1899–Oct 1901
24-Month
60.76"
(1,543.30mm)
74.88"
(1,901.95mm)
-14.12"
(-358.65mm)
3rd Driest Driest to Date 1964
121st Wettest Wettest since: 1900 2009
Nov 1898–Oct 1901
36-Month
92.90"
(2,359.66mm)
112.27"
(2,851.66mm)
-19.37"
(-492.00mm)
1st Driest Driest to Date 1901
122nd Wettest Wettest since: 1900 2010
Nov 1897–Oct 1901
48-Month
142.48"
(3,618.99mm)
149.71"
(3,802.63mm)
-7.23"
(-183.64mm)
25th Driest Driest to Date 1956
97th Wettest Wettest since: 1900 2011
Nov 1896–Oct 1901
60-Month
174.92"
(4,442.97mm)
187.11"
(4,752.59mm)
-12.19"
(-309.62mm)
10th Driest Driest to Date 1956
111th Wettest Wettest since: 1900 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 26, 2020 from https://www.ncdc.noaa.gov/cag/