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 2017

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
April 2017
1-Month 		58.0°F
(14.4°C)		 52.8°F
(11.6°C)		 5.2°F
(2.8°C)		 119th Coolest
Coolest since:
 1907
10th Warmest
Warmest since:
 2010
Ties: 1915
Mar–Apr 2017
2-Month 		51.5°F
(10.8°C)		 47.2°F
(8.4°C)		 4.3°F
(2.4°C)		 116th Coolest
Coolest since:
 1926
13th Warmest
Warmest since:
 2012
Ties: 1991
Feb–Apr 2017
3-Month 		48.6°F
(9.2°C)		 41.9°F
(5.5°C)		 6.7°F
(3.7°C)		 127th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Jan–Apr 2017
4-Month 		45.1°F
(7.3°C)		 38.4°F
(3.6°C)		 6.7°F
(3.7°C)		 127th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Dec 2016–Apr 2017
5-Month 		42.2°F
(5.7°C)		 37.1°F
(2.8°C)		 5.1°F
(2.9°C)		 126th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Nov 2016–Apr 2017
6-Month 		43.2°F
(6.2°C)		 37.9°F
(3.3°C)		 5.3°F
(2.9°C)		 126th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Oct 2016–Apr 2017
7-Month 		45.8°F
(7.7°C)		 40.5°F
(4.7°C)		 5.3°F
(3.0°C)		 126th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Sep 2016–Apr 2017
8-Month 		49.0°F
(9.4°C)		 43.9°F
(6.6°C)		 5.1°F
(2.8°C)		 127th Coolest
Coolest since:
 1918
1st Warmest
Warmest to Date
 2017
Aug 2016–Apr 2017
9-Month 		52.0°F
(11.1°C)		 47.2°F
(8.4°C)		 4.8°F
(2.7°C)		 127th Coolest
Coolest since:
 1918
1st Warmest
Warmest to Date
 2017
Jul 2016–Apr 2017
10-Month 		54.4°F
(12.4°C)		 50.1°F
(10.1°C)		 4.3°F
(2.3°C)		 126th Coolest
Coolest since:
 1918
2nd Warmest
Warmest since:
 2012
Jun 2016–Apr 2017
11-Month 		56.4°F
(13.6°C)		 52.2°F
(11.2°C)		 4.2°F
(2.4°C)		 126th Coolest
Coolest since:
 1904, 1918
2nd Warmest
Warmest since:
 2012
May 2016–Apr 2017
12-Month 		56.9°F
(13.8°C)		 53.1°F
(11.7°C)		 3.8°F
(2.1°C)		 126th Coolest
Coolest since:
 1918
2nd Warmest
Warmest since:
 2012
Nov 2015–Apr 2017
18-Month 		52.2°F
(11.2°C)		 48.0°F
(8.9°C)		 4.2°F
(2.3°C)		 126th Coolest
Coolest since:
 1905, 1979
1st Warmest
Warmest to Date
 2017
May 2015–Apr 2017
24-Month 		56.4°F
(13.6°C)		 53.0°F
(11.7°C)		 3.4°F
(1.9°C)		 126th Coolest
Coolest since:
 1978
1st Warmest
Warmest to Date
 2017
May 2014–Apr 2017
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, 2012
May 2013–Apr 2017
48-Month 		53.9°F
(12.2°C)		 53.1°F
(11.7°C)		 0.8°F
(0.5°C)		 97th Coolest
Coolest since:
 1980
28th Warmest
Warmest since:
 2019
Ties: 1945, 1989, 1990, 1991
May 2012–Apr 2017
60-Month 		54.0°F
(12.2°C)		 53.1°F
(11.7°C)		 0.9°F
(0.5°C)		 103rd Coolest
Coolest since:
 1981
21st Warmest
Warmest since:
 2020
Ties: 1936, 1958, 1991, 2001, 2014, 2016

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