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


Illinois

Precipitation Rankings, October 1986

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 1986
1-Month
4.89"
(124.21mm)
2.79"
(70.87mm)
2.10"
(53.34mm)
114th Driest Driest since: 1985 1964
12th Wettest Wettest since: 1969 1941
Sep–Oct 1986
2-Month
11.14"
(282.96mm)
6.29"
(159.77mm)
4.85"
(123.19mm)
122nd Driest Driest since: 1985 1897
4th Wettest Wettest since: 1941 1941
Aug–Oct 1986
3-Month
13.35"
(339.09mm)
9.78"
(248.41mm)
3.57"
(90.68mm)
111th Driest Driest since: 1985 1897
15th Wettest Wettest since: 1977 1926
Jul–Oct 1986
4-Month
19.08"
(484.63mm)
13.42"
(340.87mm)
5.66"
(143.76mm)
119th Driest Driest since: 1985 1897
7th Wettest Wettest since: 1977 1993
Jun–Oct 1986
5-Month
23.06"
(585.72mm)
17.50"
(444.50mm)
5.56"
(141.22mm)
114th Driest Driest since: 1985 1908
12th Wettest Wettest since: 1977 1993
May–Oct 1986
6-Month
27.68"
(703.07mm)
21.59"
(548.39mm)
6.09"
(154.68mm)
114th Driest Driest since: 1985 1897
12th Wettest Wettest since: 1981 1993
Apr–Oct 1986
7-Month
29.56"
(750.82mm)
25.30"
(642.62mm)
4.26"
(108.20mm)
101st Driest Driest since: 1985 1988
25th Wettest Wettest since: 1981 2009
Mar–Oct 1986
8-Month
31.09"
(789.69mm)
28.39"
(721.11mm)
2.70"
(68.58mm)
90th Driest Driest since: 1985 1988
36th Wettest Wettest since: 1981 2009
Feb–Oct 1986
9-Month
33.75"
(857.25mm)
30.25"
(768.35mm)
3.50"
(88.90mm)
97th Driest Driest since: 1985 1988
29th Wettest Wettest since: 1981 2009
Jan–Oct 1986
10-Month
33.99"
(863.35mm)
32.38"
(822.45mm)
1.61"
(40.90mm)
78th Driest Driest since: 1984 1901
48th Wettest Wettest since: 1985 1993, 2019
Dec 1985–Oct 1986
11-Month
36.30"
(922.02mm)
34.70"
(881.38mm)
1.60"
(40.64mm)
70th Driest Driest since: 1980 1901
55th Wettest Wettest since: 1985 2009
Nov 1985–Oct 1986
12-Month
45.35"
(1,151.89mm)
37.45"
(951.23mm)
7.90"
(200.66mm)
116th Driest Driest since: 1985 1901
9th Wettest Wettest since: 1973 1993
May 1985–Oct 1986
18-Month
67.17"
(1,706.12mm)
59.01"
(1,498.85mm)
8.16"
(207.27mm)
109th Driest Driest since: 1985 1940
16th Wettest Wettest since: 1982 2009
Nov 1984–Oct 1986
24-Month
87.60"
(2,225.04mm)
74.88"
(1,901.95mm)
12.72"
(323.09mm)
114th Driest Driest since: 1985 1964
10th Wettest Wettest since: 1974 2009
Nov 1983–Oct 1986
36-Month
129.89"
(3,299.21mm)
112.27"
(2,851.66mm)
17.62"
(447.55mm)
114th Driest Driest since: 1985 1901
9th Wettest Wettest since: 1975 2010
Nov 1982–Oct 1986
48-Month
173.56"
(4,408.42mm)
149.71"
(3,802.63mm)
23.85"
(605.79mm)
117th Driest Driest since: 1985 1956
5th Wettest Wettest to Date 2011
Nov 1981–Oct 1986
60-Month
212.61"
(5,400.29mm)
187.11"
(4,752.59mm)
25.50"
(647.70mm)
116th Driest Driest since: 1985 1956
5th Wettest Wettest to Date 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 7, 2019 from https://www.ncdc.noaa.gov/cag/