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 November 2019. For more information, please see Climatological Rankings.


Illinois

Precipitation Rankings, October 1947

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
October 1947
1-Month
3.08"
(78.23mm)
2.79"
(70.87mm)
0.29"
(7.36mm)
73rd Driest Driest since: 1945 1964
53rd Wettest Wettest since: 1946 1941
Sep–Oct 1947
2-Month
6.70"
(170.18mm)
6.29"
(159.77mm)
0.41"
(10.41mm)
80th Driest Driest since: 1946 1897
46th Wettest Wettest since: 1945 1941
Aug–Oct 1947
3-Month
9.05"
(229.87mm)
9.78"
(248.41mm)
-0.73"
(-18.54mm)
53rd Driest Driest since: 1944 1897
73rd Wettest Wettest since: 1946 1926
Jul–Oct 1947
4-Month
11.03"
(280.16mm)
13.42"
(340.87mm)
-2.39"
(-60.71mm)
24th Driest Driest since: 1944 1897
102nd Wettest Wettest since: 1946 1993
Jun–Oct 1947
5-Month
17.36"
(440.94mm)
17.50"
(444.50mm)
-0.14"
(-3.56mm)
62nd Driest Driest since: 1944 1908
64th Wettest Wettest since: 1946 1993
May–Oct 1947
6-Month
21.70"
(551.18mm)
21.59"
(548.39mm)
0.11"
(2.79mm)
59th Driest Driest since: 1944 1897
67th Wettest Wettest since: 1946 1993
Apr–Oct 1947
7-Month
28.08"
(713.23mm)
25.30"
(642.62mm)
2.78"
(70.61mm)
88th Driest Driest since: 1946 1988
38th Wettest Wettest since: 1945 2009
Mar–Oct 1947
8-Month
30.42"
(772.67mm)
28.39"
(721.11mm)
2.03"
(51.56mm)
80th Driest Driest since: 1946 1988
46th Wettest Wettest since: 1945 2009
Feb–Oct 1947
9-Month
30.61"
(777.49mm)
30.25"
(768.35mm)
0.36"
(9.14mm)
65th Driest Driest since: 1946 1988
61st Wettest Wettest since: 1945 2009
Jan–Oct 1947
10-Month
32.85"
(834.39mm)
32.38"
(822.45mm)
0.47"
(11.94mm)
63rd Driest Driest since: 1946 1901
63rd Wettest Wettest since: 1945 2019
Dec 1946–Oct 1947
11-Month
35.06"
(890.52mm)
34.70"
(881.38mm)
0.36"
(9.14mm)
61st Driest Driest since: 1946 1901
64th Wettest Wettest since: 1945 2019
Nov 1946–Oct 1947
12-Month
39.70"
(1,008.38mm)
37.45"
(951.23mm)
2.25"
(57.15mm)
76th Driest Driest since: 1946 1901
49th Wettest Wettest since: 1945 1993
May 1946–Oct 1947
18-Month
63.36"
(1,609.34mm)
59.01"
(1,498.85mm)
4.35"
(110.49mm)
88th Driest Driest since: 1946 1940
37th Wettest Wettest since: 1942 2009
Nov 1945–Oct 1947
24-Month
76.91"
(1,953.51mm)
74.88"
(1,901.95mm)
2.03"
(51.56mm)
73rd Driest Driest since: 1944 1964
51st Wettest Wettest since: 1946 2009
Nov 1944–Oct 1947
36-Month
121.68"
(3,090.67mm)
112.27"
(2,851.66mm)
9.41"
(239.01mm)
100th Driest Driest since: 1946 1901
23rd Wettest Wettest since: 1929 2010
Nov 1943–Oct 1947
48-Month
154.77"
(3,931.16mm)
149.71"
(3,802.63mm)
5.06"
(128.53mm)
75th Driest Driest since: 1946 1956
47th Wettest Wettest since: 1945 2011
Nov 1942–Oct 1947
60-Month
194.27"
(4,934.46mm)
187.11"
(4,752.59mm)
7.16"
(181.87mm)
77th Driest Driest since: 1946 1956
44th Wettest Wettest since: 1945 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 13, 2019 from https://www.ncdc.noaa.gov/cag/