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 1903

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1903
1-Month
3.33"
(84.58mm)
4.08"
(103.63mm)
-0.75"
(-19.05mm)
43rd Driest Driest since: 1901 1934
83rd Wettest Wettest since: 1902 1995
Apr–May 1903
2-Month
7.58"
(192.53mm)
7.80"
(198.12mm)
-0.22"
(-5.59mm)
59th Driest Driest since: 1902 1934
67th Wettest Wettest since: 1898 1927
Mar–May 1903
3-Month
10.48"
(266.19mm)
10.89"
(276.61mm)
-0.41"
(-10.42mm)
55th Driest Driest since: 1902 1934
71st Wettest Wettest since: 1899 1927
Feb–May 1903
4-Month
13.24"
(336.30mm)
12.75"
(323.85mm)
0.49"
(12.45mm)
76th Driest Driest since: 1902 1934
50th Wettest Wettest since: 1898 2019
Jan–May 1903
5-Month
14.65"
(372.11mm)
14.87"
(377.70mm)
-0.22"
(-5.59mm)
60th Driest Driest since: 1902 1934
66th Wettest Wettest since: 1898 2019
Ties: 1952
Dec 1902–May 1903
6-Month
17.76"
(451.10mm)
17.20"
(436.88mm)
0.56"
(14.22mm)
71st Driest Driest since: 1902 1934
54th Wettest Wettest since: 1898 2019
Nov 1902–May 1903
7-Month
20.86"
(529.84mm)
19.95"
(506.73mm)
0.91"
(23.11mm)
73rd Driest Driest since: 1902 1934
52nd Wettest Wettest since: 1898 2019
Oct 1902–May 1903
8-Month
23.09"
(586.49mm)
22.74"
(577.60mm)
0.35"
(8.89mm)
68th Driest Driest since: 1902 1934
57th Wettest Wettest since: 1898 2019
Sep 1902–May 1903
9-Month
27.16"
(689.86mm)
26.24"
(666.50mm)
0.92"
(23.36mm)
72nd Driest Driest since: 1902 1934
53rd Wettest Wettest since: 1898 1927
Aug 1902–May 1903
10-Month
31.92"
(810.77mm)
29.74"
(755.40mm)
2.18"
(55.37mm)
80th Driest Driest since: 1902 1934
45th Wettest Wettest to Date 1927
Jul 1902–May 1903
11-Month
37.02"
(940.31mm)
33.37"
(847.60mm)
3.65"
(92.71mm)
91st Driest Driest since: 1902 1934
34th Wettest Wettest since: 1897 1927
Jun 1902–May 1903
12-Month
45.29"
(1,150.37mm)
37.43"
(950.72mm)
7.86"
(199.65mm)
111th Driest Driest since: 1902 1934
14th Wettest Wettest to Date 1927
Dec 1901–May 1903
18-Month
60.25"
(1,530.35mm)
54.62"
(1,387.35mm)
5.63"
(143.00mm)
98th Driest Driest since: 1902 1902
26th Wettest Wettest since: 1899 2009
Jun 1901–May 1903
24-Month
72.96"
(1,853.18mm)
74.85"
(1,901.19mm)
-1.89"
(-48.01mm)
45th Driest Driest since: 1902 1941
79th Wettest Wettest since: 1899 1974
Jun 1900–May 1903
36-Month
105.41"
(2,677.41mm)
112.24"
(2,850.90mm)
-6.83"
(-173.49mm)
24th Driest Driest since: 1902 1902
99th Wettest Wettest since: 1900 2011
Jun 1899–May 1903
48-Month
136.43"
(3,465.32mm)
149.63"
(3,800.60mm)
-13.20"
(-335.28mm)
8th Driest Driest since: 1902 1956
114th Wettest Wettest since: 1901 2011
Jun 1898–May 1903
60-Month
174.99"
(4,444.75mm)
187.07"
(4,751.58mm)
-12.08"
(-306.83mm)
15th Driest Driest since: 1902 1934
106th Wettest Wettest since: 1901 2011

Citing This Page

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