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


Illinois

Precipitation Rankings, July 2003

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 2003
1-Month
5.00"
(127.00mm)
3.64"
(92.46mm)
1.36"
(34.54mm)
105th Driest Driest since: 2002 1930
22nd Wettest Wettest since: 1993 1958
Jun–Jul 2003
2-Month
8.79"
(223.27mm)
7.72"
(196.09mm)
1.07"
(27.18mm)
90th Driest Driest since: 2002 1936
37th Wettest Wettest since: 2000 2015
May–Jul 2003
3-Month
14.29"
(362.97mm)
11.81"
(299.97mm)
2.48"
(63.00mm)
96th Driest Driest since: 2002 1936
31st Wettest Wettest since: 2000 2015
Apr–Jul 2003
4-Month
17.47"
(443.74mm)
15.52"
(394.21mm)
1.95"
(49.53mm)
86th Driest Driest since: 2001 1988
41st Wettest Wettest since: 2002 1957
Mar–Jul 2003
5-Month
19.45"
(494.03mm)
18.61"
(472.69mm)
0.84"
(21.34mm)
72nd Driest Driest since: 2001 1936
55th Wettest Wettest since: 2002 1973
Ties: 1912
Feb–Jul 2003
6-Month
21.28"
(540.51mm)
20.47"
(519.94mm)
0.81"
(20.57mm)
70th Driest Driest since: 2001 1936
57th Wettest Wettest since: 2002 2008
Jan–Jul 2003
7-Month
21.93"
(557.02mm)
22.60"
(574.04mm)
-0.67"
(-17.02mm)
52nd Driest Driest since: 2001 1936
75th Wettest Wettest since: 2002 2008
Dec 2002–Jul 2003
8-Month
24.10"
(612.14mm)
24.92"
(632.97mm)
-0.82"
(-20.83mm)
50th Driest Driest since: 2001 1936
76th Wettest Wettest since: 2002 2008
Nov 2002–Jul 2003
9-Month
25.14"
(638.56mm)
27.67"
(702.82mm)
-2.53"
(-64.26mm)
33rd Driest Driest since: 1992 1934
93rd Wettest Wettest since: 2002 1993
Oct 2002–Jul 2003
10-Month
28.21"
(716.53mm)
30.46"
(773.68mm)
-2.25"
(-57.15mm)
36th Driest Driest since: 2001 1934
90th Wettest Wettest since: 2002 2010
Sep 2002–Jul 2003
11-Month
30.32"
(770.13mm)
33.96"
(862.58mm)
-3.64"
(-92.45mm)
28th Driest Driest since: 1988 1934
98th Wettest Wettest since: 2002 1927
Aug 2002–Jul 2003
12-Month
34.51"
(876.55mm)
37.46"
(951.48mm)
-2.95"
(-74.93mm)
31st Driest Driest since: 1997 1934
95th Wettest Wettest since: 2002 1927
Feb 2002–Jul 2003
18-Month
58.77"
(1,492.76mm)
57.89"
(1,470.41mm)
0.88"
(22.35mm)
54th Driest Driest since: 2000 1931
72nd Wettest Wettest since: 2002 2010
Aug 2001–Jul 2003
24-Month
79.73"
(2,025.14mm)
74.90"
(1,902.46mm)
4.83"
(122.68mm)
86th Driest Driest since: 2001 1954
39th Wettest Wettest since: 2002 2020
Aug 2000–Jul 2003
36-Month
115.23"
(2,926.84mm)
112.32"
(2,852.93mm)
2.91"
(73.91mm)
69th Driest Driest since: 2001 1965
55th Wettest Wettest since: 2002 2010
Aug 1999–Jul 2003
48-Month
150.35"
(3,818.89mm)
149.69"
(3,802.13mm)
0.66"
(16.76mm)
59th Driest Driest since: 1991 1956
64th Wettest Wettest since: 2002 2011
Aug 1998–Jul 2003
60-Month
189.94"
(4,824.48mm)
187.12"
(4,752.85mm)
2.82"
(71.63mm)
69th Driest Driest since: 2001 1934
53rd Wettest Wettest since: 2002 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2020, retrieved on September 23, 2020 from https://www.ncdc.noaa.gov/cag/