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 1970

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 1970
1-Month
3.35"
(85.09mm)
2.79"
(70.87mm)
0.56"
(14.22mm)
85th Driest Driest since: 1968 1964
41st Wettest Wettest since: 1969 1941
Sep–Oct 1970
2-Month
10.98"
(278.89mm)
6.29"
(159.77mm)
4.69"
(119.12mm)
121st Driest Driest since: 1969 1897
5th Wettest Wettest since: 1941 1941
Aug–Oct 1970
3-Month
14.59"
(370.59mm)
9.78"
(248.41mm)
4.81"
(122.18mm)
119th Driest Driest since: 1969 1897
7th Wettest Wettest since: 1941 1926
Jul–Oct 1970
4-Month
17.69"
(449.33mm)
13.42"
(340.87mm)
4.27"
(108.46mm)
113th Driest Driest since: 1969 1897
13th Wettest Wettest since: 1965 1993
Jun–Oct 1970
5-Month
23.46"
(595.88mm)
17.50"
(444.50mm)
5.96"
(151.38mm)
118th Driest Driest since: 1968 1908
8th Wettest Wettest since: 1969 1993
May–Oct 1970
6-Month
28.81"
(731.77mm)
21.59"
(548.39mm)
7.22"
(183.38mm)
120th Driest Driest since: 1969 1897
6th Wettest Wettest since: 1915 1993
Apr–Oct 1970
7-Month
34.71"
(881.63mm)
25.30"
(642.62mm)
9.41"
(239.01mm)
122nd Driest Driest since: 1969 1988
4th Wettest Wettest to Date 2009
Mar–Oct 1970
8-Month
37.18"
(944.37mm)
28.39"
(721.11mm)
8.79"
(223.26mm)
118th Driest Driest since: 1969 1988
8th Wettest Wettest since: 1945 2009
Feb–Oct 1970
9-Month
38.14"
(968.76mm)
30.25"
(768.35mm)
7.89"
(200.41mm)
115th Driest Driest since: 1969 1988
11th Wettest Wettest since: 1945 2009
Jan–Oct 1970
10-Month
38.77"
(984.76mm)
32.38"
(822.45mm)
6.39"
(162.31mm)
114th Driest Driest since: 1969 1901
12th Wettest Wettest since: 1945 2019
Dec 1969–Oct 1970
11-Month
40.58"
(1,030.73mm)
34.70"
(881.38mm)
5.88"
(149.35mm)
112th Driest Driest since: 1969 1901
13th Wettest Wettest since: 1950 2019
Nov 1969–Oct 1970
12-Month
42.09"
(1,069.09mm)
37.45"
(951.23mm)
4.64"
(117.86mm)
96th Driest Driest since: 1968 1901
29th Wettest Wettest since: 1969 1993
May 1969–Oct 1970
18-Month
68.47"
(1,739.14mm)
59.01"
(1,498.85mm)
9.46"
(240.29mm)
114th Driest Driest since: 1969 1940
11th Wettest Wettest since: 1927 2009
Nov 1968–Oct 1970
24-Month
86.79"
(2,204.47mm)
74.88"
(1,901.95mm)
11.91"
(302.52mm)
112th Driest Driest since: 1969 1964
12th Wettest Wettest since: 1927 2009
Nov 1967–Oct 1970
36-Month
122.33"
(3,107.18mm)
112.27"
(2,851.66mm)
10.06"
(255.52mm)
101st Driest Driest since: 1969 1901
22nd Wettest Wettest since: 1951 2010
Nov 1966–Oct 1970
48-Month
162.73"
(4,133.34mm)
149.71"
(3,802.63mm)
13.02"
(330.71mm)
104th Driest Driest since: 1969 1956
18th Wettest Wettest since: 1929 2011
Nov 1965–Oct 1970
60-Month
194.68"
(4,944.87mm)
187.11"
(4,752.59mm)
7.57"
(192.28mm)
80th Driest Driest since: 1968 1956
41st Wettest Wettest since: 1969 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 11, 2019 from https://www.ncdc.noaa.gov/cag/