Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, August 2011

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
August 2011
1-Month 		75.5°F
(24.2°C)		 74.2°F
(23.4°C)		 1.3°F
(0.8°C)		 92nd Coolest
Coolest since:
 1915
37th Warmest
Warmest since:
 1947
Jul–Aug 2011
2-Month 		77.9°F
(25.5°C)		 75.2°F
(24.0°C)		 2.7°F
(1.5°C)		 113th Coolest
Coolest since:
 1915, 1967
16th Warmest
Warmest since:
 1936
Ties: 2002
Jun–Aug 2011
3-Month 		76.7°F
(24.8°C)		 74.3°F
(23.5°C)		 2.4°F
(1.3°C)		 113th Coolest
Coolest since:
 1927
16th Warmest
Warmest since:
 1936
May–Aug 2011
4-Month 		73.4°F
(23.0°C)		 71.5°F
(21.9°C)		 1.9°F
(1.1°C)		 112th Coolest
Coolest since:
 1915
17th Warmest
Warmest since:
 1936
Ties: 1911, 1941, 1943, 1954
Apr–Aug 2011
5-Month 		69.9°F
(21.1°C)		 67.8°F
(19.9°C)		 2.1°F
(1.2°C)		 115th Coolest
Coolest since:
 1907
14th Warmest
Warmest since:
 2010
Ties: 1988
Mar–Aug 2011
6-Month 		65.6°F
(18.7°C)		 63.5°F
(17.5°C)		 2.1°F
(1.2°C)		 120th Coolest
Coolest since:
 1960
9th Warmest
Warmest since:
 2012
Ties: 2016
Feb–Aug 2011
7-Month 		61.0°F
(16.1°C)		 58.9°F
(14.9°C)		 2.1°F
(1.2°C)		 117th Coolest
Coolest since:
 1904
12th Warmest
Warmest since:
 2012
Ties: 1977
Jan–Aug 2011
8-Month 		56.4°F
(13.6°C)		 54.9°F
(12.7°C)		 1.5°F
(0.9°C)		 99th Coolest
Coolest since:
 1978
30th Warmest
Warmest since:
 2012
Dec 2010–Aug 2011
9-Month 		53.1°F
(11.7°C)		 52.4°F
(11.3°C)		 0.7°F
(0.4°C)		 79th Coolest
Coolest since:
 1904
49th Warmest
Warmest since:
 2012
Ties: 1946, 1973
Nov 2010–Aug 2011
10-Month 		52.2°F
(11.2°C)		 51.3°F
(10.7°C)		 0.9°F
(0.5°C)		 87th Coolest
Coolest since:
 1904
41st Warmest
Warmest since:
 2012
Ties: 1896, 1925, 1952, 1986
Oct 2010–Aug 2011
11-Month 		52.7°F
(11.5°C)		 51.7°F
(10.9°C)		 1.0°F
(0.6°C)		 90th Coolest
Coolest since:
 1904
38th Warmest
Warmest since:
 2012
Ties: 1913, 1933, 1972, 1974
Sep 2010–Aug 2011
12-Month 		54.0°F
(12.2°C)		 53.0°F
(11.7°C)		 1.0°F
(0.5°C)		 94th Coolest
Coolest since:
 1904
34th Warmest
Warmest since:
 2012
Ties: 1913, 1919, 1986, 2021
Mar 2010–Aug 2011
18-Month 		58.5°F
(14.7°C)		 56.6°F
(13.7°C)		 1.9°F
(1.0°C)		 121st Coolest
Coolest since:
 1904
7th Warmest
Warmest since:
 2012
Ties: 1999, 2006
Sep 2009–Aug 2011
24-Month 		54.2°F
(12.3°C)		 53.1°F
(11.7°C)		 1.1°F
(0.6°C)		 104th Coolest
Coolest since:
 1979
23rd Warmest
Warmest since:
 2017
Ties: 1914, 2021
Sep 2008–Aug 2011
36-Month 		53.8°F
(12.1°C)		 53.0°F
(11.7°C)		 0.8°F
(0.4°C)		 89th Coolest
Coolest since:
 1979
37th Warmest
Warmest since:
 2018
Ties: 1944, 1974
Sep 2007–Aug 2011
48-Month 		53.8°F
(12.1°C)		 53.1°F
(11.7°C)		 0.7°F
(0.4°C)		 89th Coolest
Coolest since:
 1980
36th Warmest
Warmest since:
 2019
Ties: 1936, 1942, 1954, 1990
Sep 2006–Aug 2011
60-Month 		53.9°F
(12.2°C)		 53.0°F
(11.7°C)		 0.9°F
(0.5°C)		 99th Coolest
Coolest since:
 1906, 1981, 1982
25th Warmest
Warmest since:
 2020
Ties: 1923, 1925, 1933, 1955, 1992, 1995, 2016

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