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 February 2020. For more information, please see Climatological Rankings.


Illinois

Precipitation Rankings, August 1974

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
August 1974
1-Month
4.26"
(108.20mm)
3.50"
(88.90mm)
0.76"
(19.30mm)
94th Driest Driest since: 1973 1897, 1953
32nd Wettest Wettest since: 1972 1977
Jul–Aug 1974
2-Month
5.95"
(151.13mm)
7.13"
(181.10mm)
-1.18"
(-29.97mm)
37th Driest Driest since: 1966 1930
89th Wettest Wettest since: 1973 2016
Jun–Aug 1974
3-Month
11.70"
(297.18mm)
11.22"
(284.99mm)
0.48"
(12.19mm)
74th Driest Driest since: 1971 1936
52nd Wettest Wettest since: 1973 1993
May–Aug 1974
4-Month
18.71"
(475.23mm)
15.30"
(388.62mm)
3.41"
(86.61mm)
106th Driest Driest since: 1973 1936
20th Wettest Wettest since: 1958 1915
Apr–Aug 1974
5-Month
22.64"
(575.06mm)
19.02"
(483.11mm)
3.62"
(91.95mm)
100th Driest Driest since: 1972 1988
26th Wettest Wettest since: 1973 1981
Mar–Aug 1974
6-Month
26.09"
(662.69mm)
22.11"
(561.59mm)
3.98"
(101.10mm)
100th Driest Driest since: 1972 1936
26th Wettest Wettest since: 1973 2009
Feb–Aug 1974
7-Month
28.31"
(719.07mm)
23.96"
(608.58mm)
4.35"
(110.49mm)
101st Driest Driest since: 1972 1936
25th Wettest Wettest since: 1973 2009
Jan–Aug 1974
8-Month
31.66"
(804.16mm)
26.09"
(662.69mm)
5.57"
(141.47mm)
107th Driest Driest since: 1972 1936
19th Wettest Wettest since: 1973 2019
Dec 1973–Aug 1974
9-Month
35.65"
(905.51mm)
28.42"
(721.87mm)
7.23"
(183.64mm)
115th Driest Driest since: 1972 1936
10th Wettest Wettest since: 1973 2019
Nov 1973–Aug 1974
10-Month
38.97"
(989.84mm)
31.17"
(791.72mm)
7.80"
(198.12mm)
117th Driest Driest since: 1972 1934
8th Wettest Wettest since: 1973 1993
Oct 1973–Aug 1974
11-Month
42.81"
(1,087.37mm)
33.96"
(862.58mm)
8.85"
(224.79mm)
117th Driest Driest since: 1972 1934
8th Wettest Wettest since: 1973 1993
Sep 1973–Aug 1974
12-Month
46.73"
(1,186.94mm)
37.45"
(951.23mm)
9.28"
(235.71mm)
117th Driest Driest since: 1972 1934
8th Wettest Wettest since: 1973 1927
Mar 1973–Aug 1974
18-Month
76.34"
(1,939.04mm)
59.52"
(1,511.81mm)
16.82"
(427.23mm)
122nd Driest Driest since: 1973 1931
3rd Wettest Wettest to Date 2010
Sep 1972–Aug 1974
24-Month
94.66"
(2,404.36mm)
74.90"
(1,902.46mm)
19.76"
(501.90mm)
122nd Driest Driest since: 1973 1941
2nd Wettest Wettest to Date 2010
Sep 1971–Aug 1974
36-Month
132.83"
(3,373.88mm)
112.31"
(2,852.67mm)
20.52"
(521.21mm)
117th Driest Driest since: 1973 1941
6th Wettest Wettest since: 1929 2010
Sep 1970–Aug 1974
48-Month
166.99"
(4,241.55mm)
149.72"
(3,802.89mm)
17.27"
(438.66mm)
107th Driest Driest since: 1973 1956
15th Wettest Wettest since: 1929 2011
Sep 1969–Aug 1974
60-Month
207.50"
(5,270.50mm)
187.13"
(4,753.10mm)
20.37"
(517.40mm)
111th Driest Driest since: 1973 1934
10th Wettest Wettest to Date 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published March 2020, retrieved on March 29, 2020 from https://www.ncdc.noaa.gov/cag/