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 1991

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 1991
1-Month
5.96"
(151.38mm)
2.79"
(70.87mm)
3.17"
(80.51mm)
121st Driest Driest since: 1990 1964
5th Wettest Wettest since: 1941 1941
Sep–Oct 1991
2-Month
9.09"
(230.89mm)
6.29"
(159.77mm)
2.80"
(71.12mm)
109th Driest Driest since: 1990 1897
17th Wettest Wettest since: 1986 1941
Aug–Oct 1991
3-Month
11.79"
(299.47mm)
9.78"
(248.41mm)
2.01"
(51.06mm)
94th Driest Driest since: 1990 1897
32nd Wettest Wettest since: 1986 1926
Jul–Oct 1991
4-Month
13.85"
(351.79mm)
13.42"
(340.87mm)
0.43"
(10.92mm)
70th Driest Driest since: 1989 1897
56th Wettest Wettest since: 1990 1993
Jun–Oct 1991
5-Month
15.47"
(392.94mm)
17.50"
(444.50mm)
-2.03"
(-51.56mm)
31st Driest Driest since: 1988 1908
95th Wettest Wettest since: 1990 1993
May–Oct 1991
6-Month
20.46"
(519.68mm)
21.59"
(548.39mm)
-1.13"
(-28.71mm)
42nd Driest Driest since: 1989 1897
84th Wettest Wettest since: 1990 1993
Apr–Oct 1991
7-Month
23.84"
(605.54mm)
25.30"
(642.62mm)
-1.46"
(-37.08mm)
40th Driest Driest since: 1989 1988
86th Wettest Wettest since: 1990 2009
Ties: 1979
Mar–Oct 1991
8-Month
27.82"
(706.63mm)
28.39"
(721.11mm)
-0.57"
(-14.48mm)
51st Driest Driest since: 1989 1988
75th Wettest Wettest since: 1990 2009
Feb–Oct 1991
9-Month
28.78"
(731.01mm)
30.25"
(768.35mm)
-1.47"
(-37.34mm)
42nd Driest Driest since: 1989 1988
84th Wettest Wettest since: 1990 2009
Jan–Oct 1991
10-Month
30.38"
(771.65mm)
32.38"
(822.45mm)
-2.00"
(-50.80mm)
35th Driest Driest since: 1989 1901
91st Wettest Wettest since: 1990 2019
Dec 1990–Oct 1991
11-Month
35.68"
(906.27mm)
34.70"
(881.38mm)
0.98"
(24.89mm)
66th Driest Driest since: 1989 1901
59th Wettest Wettest since: 1990 2019
Nov 1990–Oct 1991
12-Month
39.76"
(1,009.90mm)
37.45"
(951.23mm)
2.31"
(58.67mm)
77th Driest Driest since: 1989 1901
48th Wettest Wettest since: 1990 1993
May 1990–Oct 1991
18-Month
68.05"
(1,728.47mm)
59.01"
(1,498.85mm)
9.04"
(229.62mm)
112th Driest Driest since: 1990 1940
13th Wettest Wettest since: 1982 2009
Nov 1989–Oct 1991
24-Month
82.52"
(2,096.01mm)
74.88"
(1,901.95mm)
7.64"
(194.06mm)
100th Driest Driest since: 1990 1964
24th Wettest Wettest since: 1986 2009
Nov 1988–Oct 1991
36-Month
120.16"
(3,052.06mm)
112.27"
(2,851.66mm)
7.89"
(200.40mm)
96th Driest Driest since: 1990 1901
27th Wettest Wettest since: 1986 2010
Nov 1987–Oct 1991
48-Month
150.85"
(3,831.59mm)
149.71"
(3,802.63mm)
1.14"
(28.96mm)
63rd Driest Driest since: 1990 1956
59th Wettest Wettest since: 1987 2011
Nov 1986–Oct 1991
60-Month
180.19"
(4,576.83mm)
187.11"
(4,752.59mm)
-6.92"
(-175.76mm)
31st Driest Driest since: 1967 1956
90th Wettest Wettest since: 1990 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 14, 2019 from https://www.ncdc.noaa.gov/cag/