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 1945

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
August 1945
1-Month
3.42"
(86.87mm)
3.50"
(88.90mm)
-0.08"
(-2.03mm)
65th Driest Driest since: 1943 1897, 1953
61st Wettest Wettest since: 1944 1977
Jul–Aug 1945
2-Month
4.88"
(123.95mm)
7.13"
(181.10mm)
-2.25"
(-57.15mm)
13th Driest Driest since: 1936 1930
113th Wettest Wettest since: 1944 2016
Jun–Aug 1945
3-Month
11.53"
(292.86mm)
11.22"
(284.99mm)
0.31"
(7.87mm)
69th Driest Driest since: 1944 1936
57th Wettest Wettest since: 1942 1993
May–Aug 1945
4-Month
16.90"
(429.26mm)
15.30"
(388.62mm)
1.60"
(40.64mm)
83rd Driest Driest since: 1944 1936
43rd Wettest Wettest since: 1943 1915
Apr–Aug 1945
5-Month
22.14"
(562.36mm)
19.02"
(483.11mm)
3.12"
(79.25mm)
96th Driest Driest since: 1944 1988
30th Wettest Wettest since: 1943 1981
Mar–Aug 1945
6-Month
28.53"
(724.66mm)
22.11"
(561.59mm)
6.42"
(163.07mm)
117th Driest Driest since: 1944 1936
9th Wettest Wettest since: 1927 2009
Feb–Aug 1945
7-Month
30.98"
(786.89mm)
23.96"
(608.58mm)
7.02"
(178.31mm)
117th Driest Driest since: 1944 1936
9th Wettest Wettest to Date 2009
Jan–Aug 1945
8-Month
32.04"
(813.82mm)
26.09"
(662.69mm)
5.95"
(151.13mm)
110th Driest Driest since: 1944 1936
16th Wettest Wettest since: 1938 2019
Dec 1944–Aug 1945
9-Month
33.66"
(854.96mm)
28.42"
(721.87mm)
5.24"
(133.09mm)
102nd Driest Driest since: 1944 1936
23rd Wettest Wettest since: 1938 2019
Nov 1944–Aug 1945
10-Month
35.54"
(902.72mm)
31.17"
(791.72mm)
4.37"
(111.00mm)
98th Driest Driest since: 1944 1934
27th Wettest Wettest since: 1938 1993
Oct 1944–Aug 1945
11-Month
36.75"
(933.45mm)
33.96"
(862.58mm)
2.79"
(70.87mm)
85th Driest Driest since: 1944 1934
40th Wettest Wettest since: 1943 1993
Sep 1944–Aug 1945
12-Month
39.69"
(1,008.13mm)
37.45"
(951.23mm)
2.24"
(56.90mm)
80th Driest Driest since: 1944 1934
45th Wettest Wettest since: 1943 1927
Mar 1944–Aug 1945
18-Month
62.61"
(1,590.29mm)
59.52"
(1,511.81mm)
3.09"
(78.48mm)
74th Driest Driest since: 1944 1931
51st Wettest Wettest since: 1943 2010
Ties: 1995
Sep 1943–Aug 1945
24-Month
73.08"
(1,856.23mm)
74.90"
(1,902.46mm)
-1.82"
(-46.23mm)
46th Driest Driest since: 1941 1941
78th Wettest Wettest since: 1944 2010
Sep 1942–Aug 1945
36-Month
113.21"
(2,875.53mm)
112.31"
(2,852.67mm)
0.90"
(22.86mm)
59th Driest Driest since: 1942 1941
64th Wettest Wettest since: 1944 2010
Sep 1941–Aug 1945
48-Month
159.76"
(4,057.90mm)
149.72"
(3,802.89mm)
10.04"
(255.01mm)
95th Driest Driest since: 1944 1956
27th Wettest Wettest since: 1930 2011
Sep 1940–Aug 1945
60-Month
188.85"
(4,796.79mm)
187.13"
(4,753.10mm)
1.72"
(43.69mm)
60th Driest Driest since: 1944 1934
61st Wettest Wettest since: 1939 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published March 2020, retrieved on April 2, 2020 from https://www.ncdc.noaa.gov/cag/