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, May 1988

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1988
1-Month
1.70"
(43.18mm)
4.08"
(103.63mm)
-2.38"
(-60.45mm)
4th Driest Driest since: 1934 1934
122nd Wettest Wettest since: 1987 1995
Apr–May 1988
2-Month
3.54"
(89.92mm)
7.80"
(198.12mm)
-4.26"
(-108.20mm)
3rd Driest Driest since: 1934 1934
123rd Wettest Wettest since: 1987 1927
Mar–May 1988
3-Month
6.86"
(174.24mm)
10.89"
(276.61mm)
-4.03"
(-102.37mm)
11th Driest Driest since: 1971 1934
115th Wettest Wettest since: 1987 1927
Feb–May 1988
4-Month
8.80"
(223.52mm)
12.75"
(323.85mm)
-3.95"
(-100.33mm)
12th Driest Driest since: 1987 1934
114th Wettest Wettest since: 1986 2019
Jan–May 1988
5-Month
10.84"
(275.34mm)
14.87"
(377.70mm)
-4.03"
(-102.36mm)
13th Driest Driest since: 1987 1934
113th Wettest Wettest since: 1986 2019
Dec 1987–May 1988
6-Month
15.95"
(405.13mm)
17.20"
(436.88mm)
-1.25"
(-31.75mm)
39th Driest Driest since: 1987 1934
86th Wettest Wettest since: 1985 2019
Nov 1987–May 1988
7-Month
19.65"
(499.11mm)
19.95"
(506.73mm)
-0.30"
(-7.62mm)
54th Driest Driest since: 1987 1934
71st Wettest Wettest since: 1986 2019
Ties: 2005
Oct 1987–May 1988
8-Month
20.95"
(532.13mm)
22.74"
(577.60mm)
-1.79"
(-45.47mm)
34th Driest Driest since: 1987 1934
91st Wettest Wettest since: 1986 2019
Sep 1987–May 1988
9-Month
23.06"
(585.72mm)
26.24"
(666.50mm)
-3.18"
(-80.78mm)
26th Driest Driest since: 1980 1934
99th Wettest Wettest since: 1987 1927
Aug 1987–May 1988
10-Month
28.40"
(721.36mm)
29.74"
(755.40mm)
-1.34"
(-34.04mm)
48th Driest Driest since: 1987 1934
77th Wettest Wettest since: 1986 1927
Jul 1987–May 1988
11-Month
32.77"
(832.36mm)
33.37"
(847.60mm)
-0.60"
(-15.24mm)
52nd Driest Driest since: 1987 1934
73rd Wettest Wettest since: 1986 1927
Jun 1987–May 1988
12-Month
36.10"
(916.94mm)
37.43"
(950.72mm)
-1.33"
(-33.78mm)
44th Driest Driest since: 1987 1934
81st Wettest Wettest since: 1986 1927
Dec 1986–May 1988
18-Month
47.18"
(1,198.37mm)
54.62"
(1,387.35mm)
-7.44"
(-188.98mm)
12th Driest Driest since: 1977 1902
112th Wettest Wettest since: 1987 2009
Jun 1986–May 1988
24-Month
72.05"
(1,830.07mm)
74.85"
(1,901.19mm)
-2.80"
(-71.12mm)
41st Driest Driest since: 1981 1941
83rd Wettest Wettest since: 1987 1974
Jun 1985–May 1988
36-Month
112.86"
(2,866.64mm)
112.24"
(2,850.90mm)
0.62"
(15.74mm)
57th Driest Driest since: 1981 1902
66th Wettest Wettest since: 1987 2011
Jun 1984–May 1988
48-Month
153.13"
(3,889.50mm)
149.63"
(3,800.60mm)
3.50"
(88.90mm)
72nd Driest Driest since: 1982 1956
50th Wettest Wettest since: 1987 2011
Jun 1983–May 1988
60-Month
194.55"
(4,941.57mm)
187.07"
(4,751.58mm)
7.48"
(189.99mm)
81st Driest Driest since: 1981 1934
40th Wettest Wettest since: 1987 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 17, 2019 from https://www.ncdc.noaa.gov/cag/