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 2005

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2005
1-Month
1.74"
(44.20mm)
4.08"
(103.63mm)
-2.34"
(-59.43mm)
5th Driest Driest since: 1992 1934
121st Wettest Wettest since: 2004 1995
Apr–May 2005
2-Month
4.31"
(109.47mm)
7.80"
(198.12mm)
-3.49"
(-88.65mm)
8th Driest Driest since: 1992 1934
118th Wettest Wettest since: 2004 1927
Mar–May 2005
3-Month
5.87"
(149.10mm)
10.89"
(276.61mm)
-5.02"
(-127.51mm)
3rd Driest Driest since: 1934 1934
123rd Wettest Wettest since: 2004 1927
Feb–May 2005
4-Month
7.75"
(196.85mm)
12.75"
(323.85mm)
-5.00"
(-127.00mm)
3rd Driest Driest since: 1934 1934
123rd Wettest Wettest since: 2004 2019
Jan–May 2005
5-Month
13.09"
(332.49mm)
14.87"
(377.70mm)
-1.78"
(-45.21mm)
31st Driest Driest since: 1992 1934
95th Wettest Wettest since: 2004 2019
Ties: 1972
Dec 2004–May 2005
6-Month
14.89"
(378.21mm)
17.20"
(436.88mm)
-2.31"
(-58.67mm)
26th Driest Driest since: 1994 1934
99th Wettest Wettest since: 2004 2019
Nov 2004–May 2005
7-Month
19.65"
(499.11mm)
19.95"
(506.73mm)
-0.30"
(-7.62mm)
54th Driest Driest since: 2003 1934
71st Wettest Wettest since: 2004 2019
Ties: 1988
Oct 2004–May 2005
8-Month
24.49"
(622.05mm)
22.74"
(577.60mm)
1.75"
(44.45mm)
82nd Driest Driest since: 2003 1934
43rd Wettest Wettest since: 2004 2019
Sep 2004–May 2005
9-Month
25.17"
(639.32mm)
26.24"
(666.50mm)
-1.07"
(-27.18mm)
47th Driest Driest since: 2003 1934
78th Wettest Wettest since: 2004 1927
Aug 2004–May 2005
10-Month
30.25"
(768.35mm)
29.74"
(755.40mm)
0.51"
(12.95mm)
62nd Driest Driest since: 2003 1934
63rd Wettest Wettest since: 2004 1927
Jul 2004–May 2005
11-Month
34.38"
(873.25mm)
33.37"
(847.60mm)
1.01"
(25.65mm)
69th Driest Driest since: 2003 1934
56th Wettest Wettest since: 2004 1927
Jun 2004–May 2005
12-Month
37.55"
(953.77mm)
37.43"
(950.72mm)
0.12"
(3.05mm)
62nd Driest Driest since: 2003 1934
63rd Wettest Wettest since: 2004 1927
Dec 2003–May 2005
18-Month
55.62"
(1,412.75mm)
54.62"
(1,387.35mm)
1.00"
(25.40mm)
62nd Driest Driest since: 2004 1902
62nd Wettest Wettest since: 2002 2009
Jun 2003–May 2005
24-Month
77.70"
(1,973.58mm)
74.85"
(1,901.19mm)
2.85"
(72.39mm)
75th Driest Driest since: 2004 1941
49th Wettest Wettest since: 2003 1974
Jun 2002–May 2005
36-Month
110.04"
(2,795.02mm)
112.24"
(2,850.90mm)
-2.20"
(-55.88mm)
44th Driest Driest since: 1990 1902
79th Wettest Wettest since: 2004 2011
Ties: 1969
Jun 2001–May 2005
48-Month
156.23"
(3,968.24mm)
149.63"
(3,800.60mm)
6.60"
(167.64mm)
86th Driest Driest since: 2003 1956
36th Wettest Wettest since: 2004 2011
Jun 2000–May 2005
60-Month
195.84"
(4,974.34mm)
187.07"
(4,751.58mm)
8.77"
(222.76mm)
85th Driest Driest since: 2004 1934
36th Wettest Wettest since: 2002 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 15, 2019 from https://www.ncdc.noaa.gov/cag/