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 3. West

Average Temperature Rankings, April 2012

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
April 2012
1-Month 		54.3°F
(12.4°C)		 51.3°F
(10.7°C)		 3.0°F
(1.7°C)		 102nd Coolest
Coolest since:
 2018
27th Warmest
Warmest since:
 2010
Mar–Apr 2012
2-Month 		54.4°F
(12.4°C)		 45.3°F
(7.4°C)		 9.1°F
(5.0°C)		 128th Coolest
Coolest since:
 1960
1st Warmest
Warmest to Date
 2012
Feb–Apr 2012
3-Month 		47.8°F
(8.8°C)		 39.5°F
(4.2°C)		 8.3°F
(4.6°C)		 128th Coolest
Coolest since:
 1899
1st Warmest
Warmest to Date
 2012
Jan–Apr 2012
4-Month 		43.5°F
(6.4°C)		 35.6°F
(2.0°C)		 7.9°F
(4.4°C)		 128th Coolest
Coolest since:
 1912
1st Warmest
Warmest to Date
 2012
Dec 2011–Apr 2012
5-Month 		41.6°F
(5.3°C)		 34.2°F
(1.2°C)		 7.4°F
(4.1°C)		 127th Coolest
Coolest since:
 1978
1st Warmest
Warmest to Date
 2012
Nov 2011–Apr 2012
6-Month 		42.0°F
(5.6°C)		 35.1°F
(1.7°C)		 6.9°F
(3.9°C)		 127th Coolest
Coolest since:
 1904, 1912, 1978
1st Warmest
Warmest to Date
 2012
Oct 2011–Apr 2012
7-Month 		43.9°F
(6.6°C)		 37.9°F
(3.3°C)		 6.0°F
(3.3°C)		 127th Coolest
Coolest since:
 1912
1st Warmest
Warmest to Date
 2012
Sep 2011–Apr 2012
8-Month 		46.3°F
(7.9°C)		 41.4°F
(5.2°C)		 4.9°F
(2.7°C)		 126th Coolest
Coolest since:
 1904, 1978
2nd Warmest
Warmest to Date
 2017
Aug 2011–Apr 2012
9-Month 		49.5°F
(9.7°C)		 45.0°F
(7.2°C)		 4.5°F
(2.5°C)		 126th Coolest
Coolest since:
 1978
2nd Warmest
Warmest to Date
 2017
Jul 2011–Apr 2012
10-Month 		52.6°F
(11.4°C)		 48.1°F
(8.9°C)		 4.5°F
(2.5°C)		 127th Coolest
Coolest since:
 1904
1st Warmest
Warmest to Date
 2012
Jun 2011–Apr 2012
11-Month 		54.3°F
(12.4°C)		 50.2°F
(10.1°C)		 4.1°F
(2.3°C)		 126th Coolest
Coolest since:
 1904
2nd Warmest
Warmest to Date
 2017
May 2011–Apr 2012
12-Month 		54.9°F
(12.7°C)		 51.2°F
(10.7°C)		 3.7°F
(2.0°C)		 126th Coolest
Coolest since:
 1918
2nd Warmest
Warmest to Date
 2017
Nov 2010–Apr 2012
18-Month 		48.2°F
(9.0°C)		 45.9°F
(7.7°C)		 2.3°F
(1.3°C)		 117th Coolest
Coolest since:
 1979
10th Warmest
Warmest since:
 2017
May 2010–Apr 2012
24-Month 		53.4°F
(11.9°C)		 51.2°F
(10.7°C)		 2.2°F
(1.2°C)		 123rd Coolest
Coolest since:
 1905
4th Warmest
Warmest since:
 2017
Ties: 2013
May 2009–Apr 2012
36-Month 		52.5°F
(11.4°C)		 51.3°F
(10.7°C)		 1.2°F
(0.7°C)		 107th Coolest
Coolest since:
 1979
19th Warmest
Warmest since:
 2018
Ties: 1989
May 2008–Apr 2012
48-Month 		52.0°F
(11.1°C)		 51.2°F
(10.7°C)		 0.8°F
(0.4°C)		 94th Coolest
Coolest since:
 1980
31st Warmest
Warmest since:
 1935
Ties: 1937, 1989
May 2007–Apr 2012
60-Month 		52.0°F
(11.1°C)		 51.2°F
(10.7°C)		 0.8°F
(0.4°C)		 97th Coolest
Coolest since:
 1906, 1979
27th Warmest
Warmest since:
 1935
Ties: 1924, 1932, 1990, 2001, 2013

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