Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 5. East

Average Temperature Rankings, August 2011

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
August 2011
1-Month		73.2°F
(22.9°C)		72.1°F
(22.3°C)		1.1°F
(0.6°C)		91st Coolest
Coolest since:
1915
38th Warmest
Warmest since:
1947
Ties: 1928, 1953
Jul–Aug 2011
2-Month		76.0°F
(24.4°C)		73.3°F
(22.9°C)		2.7°F
(1.5°C)		117th Coolest
Coolest since:
1915
12th Warmest
Warmest since:
1936
Jun–Aug 2011
3-Month		74.7°F
(23.7°C)		72.3°F
(22.4°C)		2.4°F
(1.3°C)		118th Coolest
Coolest since:
1915
11th Warmest
Warmest since:
1936
Ties: 1931, 1954
May–Aug 2011
4-Month		71.4°F
(21.9°C)		69.5°F
(20.8°C)		1.9°F
(1.1°C)		110th Coolest
Coolest since:
1915
19th Warmest
Warmest since:
1934
Ties: 1953, 1980, 1998
Apr–Aug 2011
5-Month		67.3°F
(19.6°C)		65.5°F
(18.6°C)		1.8°F
(1.0°C)		110th Coolest
Coolest since:
1907
19th Warmest
Warmest since:
1991
Ties: 1954, 1999, 2007
Mar–Aug 2011
6-Month		62.8°F
(17.1°C)		61.0°F
(16.1°C)		1.8°F
(1.0°C)		114th Coolest
Coolest since:
1904
15th Warmest
Warmest since:
2012
Ties: 1959, 1995, 1998
Feb–Aug 2011
7-Month		57.9°F
(14.4°C)		56.2°F
(13.4°C)		1.7°F
(1.0°C)		109th Coolest
Coolest since:
1904
20th Warmest
Warmest since:
2012
Ties: 1995
Jan–Aug 2011
8-Month		53.3°F
(11.8°C)		52.2°F
(11.2°C)		1.1°F
(0.6°C)		88th Coolest
Coolest since:
1904, 1912
41st Warmest
Warmest since:
2012
Dec 2010–Aug 2011
9-Month		49.7°F
(9.8°C)		49.5°F
(9.7°C)		0.2°F
(0.1°C)		67th Coolest
Coolest since:
1904
61st Warmest
Warmest since:
2012
Ties: 1937, 1956, 1974
Nov 2010–Aug 2011
10-Month		48.9°F
(9.4°C)		48.5°F
(9.2°C)		0.4°F
(0.2°C)		73rd Coolest
Coolest since:
1904
55th Warmest
Warmest since:
2012
Ties: 1975, 1985
Oct 2010–Aug 2011
11-Month		49.5°F
(9.7°C)		49.0°F
(9.4°C)		0.5°F
(0.3°C)		77th Coolest
Coolest since:
1904
51st Warmest
Warmest since:
2012
Ties: 1944, 2013
Sep 2010–Aug 2011
12-Month		51.0°F
(10.6°C)		50.3°F
(10.2°C)		0.7°F
(0.4°C)		83rd Coolest
Coolest since:
1904
45th Warmest
Warmest since:
2012
Ties: 1992, 2008
Mar 2010–Aug 2011
18-Month		55.7°F
(13.2°C)		53.9°F
(12.2°C)		1.8°F
(1.0°C)		113th Coolest
Coolest since:
1904
15th Warmest
Warmest since:
2012
Ties: 1992, 2000, 2005
Sep 2009–Aug 2011
24-Month		51.5°F
(10.8°C)		50.3°F
(10.2°C)		1.2°F
(0.6°C)		102nd Coolest
Coolest since:
1905
25th Warmest
Warmest since:
2017
Ties: 2003, 2020
Sep 2008–Aug 2011
36-Month		50.9°F
(10.5°C)		50.3°F
(10.2°C)		0.6°F
(0.3°C)		84th Coolest
Coolest since:
1904
42nd Warmest
Warmest since:
2018
Ties: 1941, 1950, 1976, 1990, 2009, 2010
Sep 2007–Aug 2011
48-Month		50.9°F
(10.5°C)		50.3°F
(10.2°C)		0.6°F
(0.3°C)		84th Coolest
Coolest since:
1905
41st Warmest
Warmest since:
2019
Ties: 1941, 1944, 1949, 1954, 1975, 1976, 1986, 2015
Sep 2006–Aug 2011
60-Month		51.1°F
(10.6°C)		50.3°F
(10.2°C)		0.8°F
(0.4°C)		86th Coolest
Coolest since:
1906
38th Warmest
Warmest since:
2020
Ties: 1923, 1942, 1958, 1988

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