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 July 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 3. West

Average Temperature Rankings, September 2011

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 2011
1-Month
63.0°F
(17.2°C)
66.1°F
(18.9°C)
-3.1°F
(-1.7°C)
16th Coolest Coolest since: 1995 1918
110th Warmest Warmest since: 2010 1931, 1933
Aug–Sep 2011
2-Month
69.1°F
(20.6°C)
69.9°F
(21.1°C)
-0.8°F
(-0.5°C)
45th Coolest Coolest since: 2009 1967
81st Warmest Warmest since: 2010 1936
Jul–Sep 2011
3-Month
72.8°F
(22.7°C)
71.9°F
(22.2°C)
0.9°F
(0.5°C)
88th Coolest Coolest since: 2009 1967
38th Warmest Warmest since: 2010 1936
Ties: 1906
Jun–Sep 2011
4-Month
72.5°F
(22.5°C)
71.8°F
(22.1°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 2009 1992
42nd Warmest Warmest since: 2010 1936
May–Sep 2011
5-Month
70.3°F
(21.3°C)
69.9°F
(21.1°C)
0.4°F
(0.2°C)
75th Coolest Coolest since: 2009 1924, 1967
51st Warmest Warmest since: 2010 1936
Apr–Sep 2011
6-Month
67.2°F
(19.6°C)
66.8°F
(19.3°C)
0.4°F
(0.3°C)
72nd Coolest Coolest since: 2009 1907
54th Warmest Warmest since: 2010 1936
Ties: 1962, 1970
Mar–Sep 2011
7-Month
63.5°F
(17.5°C)
62.9°F
(17.2°C)
0.6°F
(0.3°C)
84th Coolest Coolest since: 2009 1924
42nd Warmest Warmest since: 2010 1936
Ties: 1905, 1948, 1964, 2015
Feb–Sep 2011
8-Month
59.0°F
(15.0°C)
58.5°F
(14.7°C)
0.5°F
(0.3°C)
82nd Coolest Coolest since: 2009 1904
44th Warmest Warmest since: 2010 2012
Ties: 1932, 1948, 1956
Jan–Sep 2011
9-Month
54.8°F
(12.7°C)
54.7°F
(12.6°C)
0.1°F
(0.1°C)
69th Coolest Coolest since: 2009 1904
57th Warmest Warmest since: 2010 2012
Ties: 1901, 1927, 2004
Dec 2010–Sep 2011
10-Month
51.7°F
(10.9°C)
52.0°F
(11.1°C)
-0.3°F
(-0.2°C)
49th Coolest Coolest since: 2009 1904
76th Warmest Warmest since: 2010 2012
Ties: 1989
Nov 2010–Sep 2011
11-Month
50.9°F
(10.5°C)
50.9°F
(10.5°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 2009 1904
65th Warmest Warmest since: 2010 2012
Ties: 1947, 1972, 1985
Oct 2010–Sep 2011
12-Month
51.4°F
(10.8°C)
51.3°F
(10.7°C)
0.1°F
(0.1°C)
67th Coolest Coolest since: 2009 1904
58th Warmest Warmest since: 2010 2012
Ties: 1944, 1985
Apr 2010–Sep 2011
18-Month
57.4°F
(14.1°C)
56.4°F
(13.6°C)
1.0°F
(0.5°C)
96th Coolest Coolest since: 2010 1904
29th Warmest Warmest since: 2007 2012
Ties: 1901, 1938, 1964, 1998, 2018
Oct 2009–Sep 2011
24-Month
51.7°F
(10.9°C)
51.3°F
(10.7°C)
0.4°F
(0.2°C)
88th Coolest Coolest since: 2010 1979
36th Warmest Warmest since: 2008 2017
Ties: 1938, 1943, 1949, 1976, 1998
Oct 2008–Sep 2011
36-Month
51.2°F
(10.7°C)
51.2°F
(10.7°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 2010 1979
65th Warmest Warmest since: 2009 2018
Ties: 1910, 1914, 1925, 1930, 1946, 1959
Oct 2007–Sep 2011
48-Month
51.1°F
(10.6°C)
51.2°F
(10.7°C)
-0.1°F
(-0.1°C)
49th Coolest Coolest since: 1997 1905
73rd Warmest Warmest since: 2010 1934
Ties: 1909, 1930, 1946, 1966, 1977
Oct 2006–Sep 2011
60-Month
51.5°F
(10.8°C)
51.2°F
(10.7°C)
0.3°F
(0.1°C)
73rd Coolest Coolest since: 1998 1906, 1982
48th Warmest Warmest since: 2010 1934
Ties: 1924, 1931, 1949, 1950, 1959

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published August 2020, retrieved on August 6, 2020 from https://www.ncdc.noaa.gov/cag/