Climate at a Glance

Divisional 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 June 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 3. West

Average Temperature Rankings, September 2012

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 2012
1-Month
64.2°F
(17.9°C)
66.1°F
(18.9°C)
-1.9°F
(-1.0°C)
30th Coolest Coolest since: 2011 1918
96th Warmest Warmest since: 2010 1931, 1933
Ties: 1916
Aug–Sep 2012
2-Month
68.7°F
(20.4°C)
69.9°F
(21.1°C)
-1.2°F
(-0.7°C)
33rd Coolest Coolest since: 2009 1967
93rd Warmest Warmest since: 2011 1936
Jul–Sep 2012
3-Month
72.9°F
(22.7°C)
71.9°F
(22.2°C)
1.0°F
(0.5°C)
89th Coolest Coolest since: 2011 1967
37th Warmest Warmest since: 2010 1936
Jun–Sep 2012
4-Month
72.7°F
(22.6°C)
71.8°F
(22.1°C)
0.9°F
(0.5°C)
87th Coolest Coolest since: 2011 1992
39th Warmest Warmest since: 2010 1936
Ties: 1944
May–Sep 2012
5-Month
71.7°F
(22.1°C)
69.9°F
(21.1°C)
1.8°F
(1.0°C)
107th Coolest Coolest since: 2011 1924, 1967
19th Warmest Warmest since: 2007 1936
Ties: 1931, 1953, 1955
Apr–Sep 2012
6-Month
68.8°F
(20.4°C)
66.8°F
(19.3°C)
2.0°F
(1.1°C)
111th Coolest Coolest since: 2011 1907
15th Warmest Warmest since: 2010 1936
Ties: 1913
Mar–Sep 2012
7-Month
66.7°F
(19.3°C)
62.8°F
(17.1°C)
3.9°F
(2.2°C)
124th Coolest Coolest since: 2011 1924
2nd Warmest Warmest since: 1936 1936
Feb–Sep 2012
8-Month
62.7°F
(17.1°C)
58.5°F
(14.7°C)
4.2°F
(2.4°C)
125th Coolest Coolest since: 2011 1904
1st Warmest Warmest to Date 2012
Jan–Sep 2012
9-Month
59.1°F
(15.1°C)
54.6°F
(12.6°C)
4.5°F
(2.5°C)
125th Coolest Coolest since: 2011 1904
1st Warmest Warmest to Date 2012
Dec 2011–Sep 2012
10-Month
56.6°F
(13.7°C)
52.0°F
(11.1°C)
4.6°F
(2.6°C)
124th Coolest Coolest since: 2011 1904
1st Warmest Warmest to Date 2012
Nov 2011–Sep 2012
11-Month
55.5°F
(13.1°C)
50.9°F
(10.5°C)
4.6°F
(2.6°C)
124th Coolest Coolest since: 2011 1904
1st Warmest Warmest to Date 2012
Oct 2011–Sep 2012
12-Month
55.5°F
(13.1°C)
51.3°F
(10.7°C)
4.2°F
(2.4°C)
124th Coolest Coolest since: 2011 1904
1st Warmest Warmest to Date 2012
Apr 2011–Sep 2012
18-Month
59.4°F
(15.2°C)
56.4°F
(13.6°C)
3.0°F
(1.6°C)
124th Coolest Coolest since: 2011 1904
1st Warmest Warmest to Date 2012
Oct 2010–Sep 2012
24-Month
53.4°F
(11.9°C)
51.2°F
(10.7°C)
2.2°F
(1.2°C)
119th Coolest Coolest since: 2011 1979
5th Warmest Warmest since: 2006 2017
Ties: 2013, 2018
Oct 2009–Sep 2012
36-Month
53.0°F
(11.7°C)
51.3°F
(10.7°C)
1.7°F
(1.0°C)
116th Coolest Coolest since: 2011 1979
7th Warmest Warmest since: 2007 2018
Ties: 1932, 1955, 2006
Oct 2008–Sep 2012
48-Month
52.3°F
(11.3°C)
51.2°F
(10.7°C)
1.1°F
(0.6°C)
104th Coolest Coolest since: 2011 1905
18th Warmest Warmest since: 2008 1934
Ties: 1941, 1942, 2006
Oct 2007–Sep 2012
60-Month
52.0°F
(11.1°C)
51.2°F
(10.7°C)
0.8°F
(0.4°C)
100th Coolest Coolest since: 2011 1906, 1982
21st Warmest Warmest since: 2009 1934
Ties: 1941, 1943, 1955, 1990, 2004, 2005, 2016, 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published July 2020, retrieved on July 15, 2020 from https://www.ncdc.noaa.gov/cag/