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


Illinois

Precipitation Rankings, October 1940

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 1940
1-Month
2.23"
(56.64mm)
2.79"
(70.87mm)
-0.56"
(-14.23mm)
50th Driest Driest since: 1939 1964
76th Wettest Wettest since: 1937 1941
Ties: 1902
Sep–Oct 1940
2-Month
2.83"
(71.88mm)
6.29"
(159.77mm)
-3.46"
(-87.89mm)
7th Driest Driest since: 1908 1897
119th Wettest Wettest since: 1939 1941
Aug–Oct 1940
3-Month
7.07"
(179.58mm)
9.78"
(248.41mm)
-2.71"
(-68.83mm)
15th Driest Driest since: 1922 1897
111th Wettest Wettest since: 1939 1926
Jul–Oct 1940
4-Month
8.64"
(219.46mm)
13.42"
(340.87mm)
-4.78"
(-121.41mm)
6th Driest Driest since: 1908 1897
120th Wettest Wettest since: 1939 1993
Jun–Oct 1940
5-Month
11.66"
(296.16mm)
17.50"
(444.50mm)
-5.84"
(-148.34mm)
7th Driest Driest since: 1922 1908
119th Wettest Wettest since: 1939 1993
May–Oct 1940
6-Month
15.05"
(382.27mm)
21.59"
(548.39mm)
-6.54"
(-166.12mm)
8th Driest Driest since: 1930 1897
118th Wettest Wettest since: 1939 1993
Apr–Oct 1940
7-Month
19.00"
(482.60mm)
25.30"
(642.62mm)
-6.30"
(-160.02mm)
9th Driest Driest since: 1930 1988
117th Wettest Wettest since: 1939 2009
Mar–Oct 1940
8-Month
20.96"
(532.38mm)
28.39"
(721.11mm)
-7.43"
(-188.73mm)
7th Driest Driest since: 1930 1988
119th Wettest Wettest since: 1939 2009
Feb–Oct 1940
9-Month
22.51"
(571.75mm)
30.25"
(768.35mm)
-7.74"
(-196.60mm)
6th Driest Driest since: 1930 1988
120th Wettest Wettest since: 1939 2009
Jan–Oct 1940
10-Month
23.94"
(608.08mm)
32.38"
(822.45mm)
-8.44"
(-214.37mm)
4th Driest Driest since: 1901 1901
122nd Wettest Wettest since: 1939 2019
Dec 1939–Oct 1940
11-Month
25.05"
(636.27mm)
34.70"
(881.38mm)
-9.65"
(-245.11mm)
2nd Driest Driest since: 1901 1901
123rd Wettest Wettest since: 1939 2019
Nov 1939–Oct 1940
12-Month
26.38"
(670.05mm)
37.45"
(951.23mm)
-11.07"
(-281.18mm)
2nd Driest Driest since: 1901 1901
123rd Wettest Wettest since: 1939 1993
May 1939–Oct 1940
18-Month
45.17"
(1,147.32mm)
59.01"
(1,498.85mm)
-13.84"
(-351.53mm)
1st Driest Driest to Date 1940
124th Wettest Wettest since: 1939 2009
Nov 1938–Oct 1940
24-Month
63.71"
(1,618.23mm)
74.88"
(1,901.95mm)
-11.17"
(-283.72mm)
7th Driest Driest since: 1931 1964
117th Wettest Wettest since: 1939 2009
Nov 1937–Oct 1940
36-Month
103.87"
(2,638.30mm)
112.27"
(2,851.66mm)
-8.40"
(-213.36mm)
15th Driest Driest since: 1936 1901
108th Wettest Wettest since: 1939 2010
Nov 1936–Oct 1940
48-Month
142.07"
(3,608.58mm)
149.71"
(3,802.63mm)
-7.64"
(-194.05mm)
24th Driest Driest since: 1937 1956
98th Wettest Wettest since: 1939 2011
Nov 1935–Oct 1940
60-Month
172.71"
(4,386.83mm)
187.11"
(4,752.59mm)
-14.40"
(-365.76mm)
8th Driest Driest since: 1934 1956
113th Wettest Wettest since: 1939 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 24, 2020 from https://www.ncdc.noaa.gov/cag/