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 1987

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1987
1-Month
2.60"
(66.04mm)
4.08"
(103.63mm)
-1.48"
(-37.59mm)
25th Driest Driest since: 1979 1934
101st Wettest Wettest since: 1986 1995
Apr–May 1987
2-Month
5.12"
(130.05mm)
7.80"
(198.12mm)
-2.68"
(-68.07mm)
15th Driest Driest since: 1971 1934
111th Wettest Wettest since: 1986 1927
Mar–May 1987
3-Month
7.20"
(182.88mm)
10.89"
(276.61mm)
-3.69"
(-93.73mm)
14th Driest Driest since: 1971 1934
112th Wettest Wettest since: 1986 1927
Feb–May 1987
4-Month
8.00"
(203.20mm)
12.75"
(323.85mm)
-4.75"
(-120.65mm)
7th Driest Driest since: 1958 1934
119th Wettest Wettest since: 1986 2019
Jan–May 1987
5-Month
9.43"
(239.52mm)
14.87"
(377.70mm)
-5.44"
(-138.18mm)
6th Driest Driest since: 1936 1934
120th Wettest Wettest since: 1986 2019
Dec 1986–May 1987
6-Month
11.08"
(281.43mm)
17.20"
(436.88mm)
-6.12"
(-155.45mm)
4th Driest Driest since: 1936 1934
121st Wettest Wettest since: 1986 2019
Nov 1986–May 1987
7-Month
12.89"
(327.41mm)
19.95"
(506.73mm)
-7.06"
(-179.32mm)
2nd Driest Driest since: 1934 1934
123rd Wettest Wettest since: 1986 2019
Oct 1986–May 1987
8-Month
17.78"
(451.61mm)
22.74"
(577.60mm)
-4.96"
(-125.99mm)
11th Driest Driest since: 1977 1934
114th Wettest Wettest since: 1986 2019
Sep 1986–May 1987
9-Month
24.03"
(610.36mm)
26.24"
(666.50mm)
-2.21"
(-56.14mm)
34th Driest Driest since: 1980 1934
91st Wettest Wettest since: 1986 1927
Aug 1986–May 1987
10-Month
26.24"
(666.50mm)
29.74"
(755.40mm)
-3.50"
(-88.90mm)
29th Driest Driest since: 1980 1934
96th Wettest Wettest since: 1986 1927
Ties: 1961
Jul 1986–May 1987
11-Month
31.97"
(812.04mm)
33.37"
(847.60mm)
-1.40"
(-35.56mm)
43rd Driest Driest since: 1980 1934
82nd Wettest Wettest since: 1986 1927
Jun 1986–May 1987
12-Month
35.95"
(913.13mm)
37.43"
(950.72mm)
-1.48"
(-37.59mm)
43rd Driest Driest since: 1980 1934
82nd Wettest Wettest since: 1986 1927
Dec 1985–May 1987
18-Month
49.19"
(1,249.43mm)
54.62"
(1,387.35mm)
-5.43"
(-137.92mm)
24th Driest Driest since: 1977 1902
100th Wettest Wettest since: 1986 2009
Jun 1985–May 1987
24-Month
76.76"
(1,949.70mm)
74.85"
(1,901.19mm)
1.91"
(48.51mm)
72nd Driest Driest since: 1981 1941
52nd Wettest Wettest since: 1986 1974
Jun 1984–May 1987
36-Month
117.03"
(2,972.56mm)
112.24"
(2,850.90mm)
4.79"
(121.66mm)
84th Driest Driest since: 1982 1902
39th Wettest Wettest since: 1986 2011
Jun 1983–May 1987
48-Month
158.45"
(4,024.63mm)
149.63"
(3,800.60mm)
8.82"
(224.03mm)
93rd Driest Driest since: 1982 1956
29th Wettest Wettest since: 1986 2011
Jun 1982–May 1987
60-Month
204.88"
(5,203.95mm)
187.07"
(4,751.58mm)
17.81"
(452.37mm)
105th Driest Driest since: 1984 1934
16th Wettest Wettest since: 1986 2011
Ties: 2014

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/