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, April 1987

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 1987
1-Month
2.52"
(64.01mm)
3.72"
(94.49mm)
-1.20"
(-30.48mm)
29th Driest Driest since: 1986 1971
97th Wettest Wettest since: 1984 2011
Ties: 1942
Mar–Apr 1987
2-Month
4.60"
(116.84mm)
6.81"
(172.97mm)
-2.21"
(-56.13mm)
18th Driest Driest since: 1986 1915
108th Wettest Wettest since: 1985 1973
Feb–Apr 1987
3-Month
5.40"
(137.16mm)
8.66"
(219.96mm)
-3.26"
(-82.80mm)
6th Driest Driest since: 1958 1895
120th Wettest Wettest since: 1986 1945
Jan–Apr 1987
4-Month
6.83"
(173.48mm)
10.79"
(274.07mm)
-3.96"
(-100.59mm)
5th Driest Driest since: 1986 1895
121st Wettest Wettest since: 1985 1950
Dec 1986–Apr 1987
5-Month
8.48"
(215.39mm)
13.11"
(332.99mm)
-4.63"
(-117.60mm)
3rd Driest Driest since: 1936 1934
122nd Wettest Wettest since: 1986 1950
Ties: 1936
Nov 1986–Apr 1987
6-Month
10.29"
(261.37mm)
15.87"
(403.10mm)
-5.58"
(-141.73mm)
5th Driest Driest since: 1971 1934
120th Wettest Wettest since: 1986 1950
Oct 1986–Apr 1987
7-Month
15.18"
(385.57mm)
18.66"
(473.96mm)
-3.48"
(-88.39mm)
19th Driest Driest since: 1981 1934
106th Wettest Wettest since: 1986 1950
Sep 1986–Apr 1987
8-Month
21.43"
(544.32mm)
22.15"
(562.61mm)
-0.72"
(-18.29mm)
49th Driest Driest since: 1981 1940
76th Wettest Wettest since: 1986 1927
Aug 1986–Apr 1987
9-Month
23.64"
(600.46mm)
25.65"
(651.51mm)
-2.01"
(-51.05mm)
36th Driest Driest since: 1980 1954
89th Wettest Wettest since: 1986 1927
Jul 1986–Apr 1987
10-Month
29.37"
(746.00mm)
29.29"
(743.97mm)
0.08"
(2.03mm)
62nd Driest Driest since: 1981 1931
63rd Wettest Wettest since: 1986 1927
Ties: 2015
Jun 1986–Apr 1987
11-Month
33.35"
(847.09mm)
33.35"
(847.09mm)
0.00"
(0.00mm)
57th Driest Driest since: 1981 1934
68th Wettest Wettest since: 1986 1927
May 1986–Apr 1987
12-Month
37.97"
(964.44mm)
37.43"
(950.72mm)
0.54"
(13.72mm)
60th Driest Driest since: 1981 1931
65th Wettest Wettest since: 1986 2016
Nov 1985–Apr 1987
18-Month
55.64"
(1,413.26mm)
53.30"
(1,353.82mm)
2.34"
(59.44mm)
76th Driest Driest since: 1981 1902
48th Wettest Wettest since: 1986 1994
May 1985–Apr 1987
24-Month
77.46"
(1,967.48mm)
74.87"
(1,901.70mm)
2.59"
(65.78mm)
72nd Driest Driest since: 1981 1915
52nd Wettest Wettest since: 1986 2010
May 1984–Apr 1987
36-Month
119.35"
(3,031.49mm)
112.27"
(2,851.66mm)
7.08"
(179.83mm)
93rd Driest Driest since: 1982 1902
30th Wettest Wettest since: 1986 2011
May 1983–Apr 1987
48-Month
161.36"
(4,098.54mm)
149.64"
(3,800.86mm)
11.72"
(297.68mm)
100th Driest Driest since: 1983 1956
22nd Wettest Wettest since: 1986 2011
May 1982–Apr 1987
60-Month
206.78"
(5,252.21mm)
187.06"
(4,751.32mm)
19.72"
(500.89mm)
108th Driest Driest since: 1984 1957
13th Wettest Wettest since: 1986 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 13, 2019 from https://www.ncdc.noaa.gov/cag/