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


Illinois

Precipitation Rankings, July 1984

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
July 1984
1-Month
3.08"
(78.23mm)
3.64"
(92.46mm)
-0.56"
(-14.23mm)
41st Driest Driest since: 1983 1930
86th Wettest Wettest since: 1982 1958
Jun–Jul 1984
2-Month
5.57"
(141.48mm)
7.72"
(196.09mm)
-2.15"
(-54.61mm)
18th Driest Driest since: 1966 1936
109th Wettest Wettest since: 1983 2015
May–Jul 1984
3-Month
10.49"
(266.45mm)
11.81"
(299.97mm)
-1.32"
(-33.52mm)
42nd Driest Driest since: 1980 1936
85th Wettest Wettest since: 1983 2015
Apr–Jul 1984
4-Month
15.45"
(392.43mm)
15.52"
(394.21mm)
-0.07"
(-1.78mm)
60th Driest Driest since: 1980 1988
67th Wettest Wettest since: 1983 1957
Mar–Jul 1984
5-Month
19.43"
(493.52mm)
18.61"
(472.69mm)
0.82"
(20.83mm)
69th Driest Driest since: 1980 1936
58th Wettest Wettest since: 1983 1973
Ties: 1950
Feb–Jul 1984
6-Month
21.63"
(549.40mm)
20.47"
(519.94mm)
1.16"
(29.46mm)
75th Driest Driest since: 1980 1936
52nd Wettest Wettest since: 1983 2008
Jan–Jul 1984
7-Month
22.36"
(567.94mm)
22.60"
(574.04mm)
-0.24"
(-6.10mm)
58th Driest Driest since: 1980 1936
69th Wettest Wettest since: 1983 2008
Ties: 1912, 1917
Dec 1983–Jul 1984
8-Month
25.82"
(655.83mm)
24.92"
(632.97mm)
0.90"
(22.86mm)
66th Driest Driest since: 1980 1936
60th Wettest Wettest since: 1983 2008
Nov 1983–Jul 1984
9-Month
31.32"
(795.53mm)
27.67"
(702.82mm)
3.65"
(92.71mm)
90th Driest Driest since: 1982 1934
36th Wettest Wettest since: 1983 1993
Oct 1983–Jul 1984
10-Month
36.12"
(917.45mm)
30.46"
(773.68mm)
5.66"
(143.77mm)
103rd Driest Driest since: 1982 1934
23rd Wettest Wettest since: 1983 2010
Sep 1983–Jul 1984
11-Month
38.69"
(982.73mm)
33.96"
(862.58mm)
4.73"
(120.15mm)
99th Driest Driest since: 1982 1934
27th Wettest Wettest since: 1983 1927
Aug 1983–Jul 1984
12-Month
41.06"
(1,042.92mm)
37.46"
(951.48mm)
3.60"
(91.44mm)
87th Driest Driest since: 1980 1934
39th Wettest Wettest since: 1983 1927
Feb 1983–Jul 1984
18-Month
63.00"
(1,600.20mm)
57.89"
(1,470.41mm)
5.11"
(129.79mm)
93rd Driest Driest since: 1981 1931
33rd Wettest Wettest since: 1983 2010
Aug 1982–Jul 1984
24-Month
83.74"
(2,127.00mm)
74.90"
(1,902.46mm)
8.84"
(224.54mm)
104th Driest Driest since: 1982 1954
21st Wettest Wettest since: 1983 2020
Aug 1981–Jul 1984
36-Month
125.04"
(3,176.02mm)
112.32"
(2,852.93mm)
12.72"
(323.09mm)
108th Driest Driest since: 1982 1965
16th Wettest Wettest since: 1983 2010
Aug 1980–Jul 1984
48-Month
167.12"
(4,244.85mm)
149.69"
(3,802.13mm)
17.43"
(442.72mm)
105th Driest Driest since: 1983 1956
18th Wettest Wettest since: 1976 2011
Aug 1979–Jul 1984
60-Month
198.17"
(5,033.52mm)
187.12"
(4,752.85mm)
11.05"
(280.67mm)
86th Driest Driest since: 1983 1934
36th Wettest Wettest since: 1977 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 12, 2020 from https://www.ncdc.noaa.gov/cag/