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, April 2012

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
April 2012
1-Month 		55.8°F
(13.2°C)		 52.8°F
(11.6°C)		 3.0°F
(1.6°C)		 106th Coolest
Coolest since:
 1907
23rd Warmest
Warmest since:
 2010
Ties: 1906, 1946
Mar–Apr 2012
2-Month 		56.4°F
(13.6°C)		 47.2°F
(8.4°C)		 9.2°F
(5.2°C)		 128th Coolest
Coolest since:
 1926
1st Warmest
Warmest to Date
 2012
Feb–Apr 2012
3-Month 		50.1°F
(10.1°C)		 42.0°F
(5.6°C)		 8.1°F
(4.5°C)		 128th Coolest
Coolest since:
 1978
1st Warmest
Warmest to Date
 2012
Jan–Apr 2012
4-Month 		46.0°F
(7.8°C)		 38.4°F
(3.6°C)		 7.6°F
(4.2°C)		 128th Coolest
Coolest since:
 1978
1st Warmest
Warmest to Date
 2012
Dec 2011–Apr 2012
5-Month 		44.4°F
(6.9°C)		 37.1°F
(2.8°C)		 7.3°F
(4.1°C)		 127th Coolest
Coolest since:
 1978
1st Warmest
Warmest to Date
 2012
Nov 2011–Apr 2012
6-Month 		45.0°F
(7.2°C)		 37.9°F
(3.3°C)		 7.1°F
(3.9°C)		 127th Coolest
Coolest since:
 1978
1st Warmest
Warmest to Date
 2012
Oct 2011–Apr 2012
7-Month 		46.5°F
(8.1°C)		 40.5°F
(4.7°C)		 6.0°F
(3.4°C)		 127th Coolest
Coolest since:
 1978
1st Warmest
Warmest to Date
 2012
Sep 2011–Apr 2012
8-Month 		48.9°F
(9.4°C)		 43.8°F
(6.6°C)		 5.1°F
(2.8°C)		 126th Coolest
Coolest since:
 1904, 1918, 1978
2nd Warmest
Warmest to Date
 2017
Aug 2011–Apr 2012
9-Month 		51.8°F
(11.0°C)		 47.2°F
(8.4°C)		 4.6°F
(2.6°C)		 126th Coolest
Coolest since:
 1918
2nd Warmest
Warmest to Date
 2017
Jul 2011–Apr 2012
10-Month 		54.7°F
(12.6°C)		 50.1°F
(10.1°C)		 4.6°F
(2.5°C)		 127th Coolest
Coolest since:
 1918
1st Warmest
Warmest to Date
 2012
Jun 2011–Apr 2012
11-Month 		56.5°F
(13.6°C)		 52.2°F
(11.2°C)		 4.3°F
(2.4°C)		 127th Coolest
Coolest since:
 1904, 1918
1st Warmest
Warmest to Date
 2012
May 2011–Apr 2012
12-Month 		57.0°F
(13.9°C)		 53.1°F
(11.7°C)		 3.9°F
(2.2°C)		 127th Coolest
Coolest since:
 1918
1st Warmest
Warmest to Date
 2012
Nov 2010–Apr 2012
18-Month 		50.7°F
(10.4°C)		 48.0°F
(8.9°C)		 2.7°F
(1.5°C)		 123rd Coolest
Coolest since:
 1905, 1979
4th Warmest
Warmest since:
 2017
Ties: 1999, 2006
May 2010–Apr 2012
24-Month 		55.7°F
(13.2°C)		 53.1°F
(11.7°C)		 2.6°F
(1.5°C)		 125th Coolest
Coolest since:
 1978
2nd Warmest
Warmest to Date
 2017
Ties: 2013
May 2009–Apr 2012
36-Month 		54.8°F
(12.7°C)		 53.0°F
(11.7°C)		 1.8°F
(1.0°C)		 120th Coolest
Coolest since:
 1979
6th Warmest
Warmest since:
 2018
Ties: 2008, 2017
May 2008–Apr 2012
48-Month 		54.4°F
(12.4°C)		 53.0°F
(11.7°C)		 1.4°F
(0.7°C)		 115th Coolest
Coolest since:
 1980
10th Warmest
Warmest since:
 2019
Ties: 1955, 1992, 2000, 2001, 2007, 2018, 2022
May 2007–Apr 2012
60-Month 		54.5°F
(12.5°C)		 53.0°F
(11.7°C)		 1.5°F
(0.8°C)		 120th Coolest
Coolest since:
 1981
4th Warmest
Warmest since:
 2020
Ties: 1957, 2002, 2003, 2006, 2008

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