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 1975

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1975
1-Month
4.09"
(103.89mm)
4.08"
(103.63mm)
0.01"
(0.26mm)
63rd Driest Driest since: 1972 1934
63rd Wettest Wettest since: 1974 1995
Apr–May 1975
2-Month
8.37"
(212.60mm)
7.80"
(198.12mm)
0.57"
(14.48mm)
79th Driest Driest since: 1972 1934
47th Wettest Wettest since: 1974 1927
Ties: 1991
Mar–May 1975
3-Month
11.76"
(298.70mm)
10.89"
(276.61mm)
0.87"
(22.09mm)
83rd Driest Driest since: 1972 1934
43rd Wettest Wettest since: 1974 1927
Feb–May 1975
4-Month
14.76"
(374.90mm)
12.75"
(323.85mm)
2.01"
(51.05mm)
95th Driest Driest since: 1972 1934
31st Wettest Wettest since: 1974 2019
Jan–May 1975
5-Month
18.26"
(463.80mm)
14.87"
(377.70mm)
3.39"
(86.10mm)
101st Driest Driest since: 1972 1934
25th Wettest Wettest since: 1974 2019
Dec 1974–May 1975
6-Month
20.41"
(518.41mm)
17.20"
(436.88mm)
3.21"
(81.53mm)
101st Driest Driest since: 1972 1934
24th Wettest Wettest since: 1974 2019
Nov 1974–May 1975
7-Month
23.79"
(604.27mm)
19.95"
(506.73mm)
3.84"
(97.54mm)
97th Driest Driest since: 1972 1934
28th Wettest Wettest since: 1974 2019
Oct 1974–May 1975
8-Month
25.55"
(648.97mm)
22.74"
(577.60mm)
2.81"
(71.37mm)
92nd Driest Driest since: 1972 1934
33rd Wettest Wettest since: 1974 2019
Sep 1974–May 1975
9-Month
28.26"
(717.80mm)
26.24"
(666.50mm)
2.02"
(51.30mm)
86th Driest Driest since: 1972 1934
39th Wettest Wettest since: 1974 1927
Ties: 2017
Aug 1974–May 1975
10-Month
32.52"
(826.01mm)
29.74"
(755.40mm)
2.78"
(70.61mm)
87th Driest Driest since: 1972 1934
38th Wettest Wettest since: 1974 1927
Ties: 1990
Jul 1974–May 1975
11-Month
34.21"
(868.93mm)
33.37"
(847.60mm)
0.84"
(21.33mm)
66th Driest Driest since: 1972 1934
59th Wettest Wettest since: 1974 1927
Jun 1974–May 1975
12-Month
39.96"
(1,014.98mm)
37.43"
(950.72mm)
2.53"
(64.26mm)
80th Driest Driest since: 1972 1934
45th Wettest Wettest since: 1974 1927
Dec 1973–May 1975
18-Month
63.91"
(1,623.31mm)
54.62"
(1,387.35mm)
9.29"
(235.96mm)
109th Driest Driest since: 1972 1902
15th Wettest Wettest since: 1974 2009
Jun 1973–May 1975
24-Month
87.58"
(2,224.53mm)
74.85"
(1,901.19mm)
12.73"
(323.34mm)
110th Driest Driest since: 1973 1941
14th Wettest Wettest since: 1974 1974
Jun 1972–May 1975
36-Month
135.98"
(3,453.89mm)
112.24"
(2,850.90mm)
23.74"
(602.99mm)
119th Driest Driest since: 1974 1902
4th Wettest Wettest since: 1929 2011
Jun 1971–May 1975
48-Month
170.73"
(4,336.54mm)
149.63"
(3,800.60mm)
21.10"
(535.94mm)
112th Driest Driest since: 1974 1956
10th Wettest Wettest since: 1930 2011
Jun 1970–May 1975
60-Month
207.73"
(5,276.34mm)
187.07"
(4,751.58mm)
20.66"
(524.76mm)
110th Driest Driest since: 1973 1934
11th Wettest Wettest since: 1974 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/