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 2. Northeast

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 		52.7°F
(11.5°C)		 47.8°F
(8.8°C)		 4.9°F
(2.7°C)		 118th Coolest
Coolest since:
 1907
11th Warmest
Warmest since:
 1915
Mar–Apr 2017
2-Month 		45.5°F
(7.5°C)		 41.8°F
(5.4°C)		 3.7°F
(2.1°C)		 105th Coolest
Coolest since:
 1926
24th Warmest
Warmest since:
 2012
Feb–Apr 2017
3-Month 		42.6°F
(5.9°C)		 36.2°F
(2.3°C)		 6.4°F
(3.6°C)		 127th Coolest
Coolest since:
 1904
2nd Warmest
Warmest since:
 2012
Jan–Apr 2017
4-Month 		38.9°F
(3.8°C)		 32.4°F
(0.2°C)		 6.5°F
(3.6°C)		 126th Coolest
Coolest since:
 1912
3rd Warmest
Warmest since:
 2012
Dec 2016–Apr 2017
5-Month 		36.1°F
(2.3°C)		 31.2°F
(-0.4°C)		 4.9°F
(2.7°C)		 123rd Coolest
Coolest since:
 1904
5th Warmest
Warmest since:
 2012
Nov 2016–Apr 2017
6-Month 		37.7°F
(3.2°C)		 32.3°F
(0.2°C)		 5.4°F
(3.0°C)		 124th Coolest
Coolest since:
 1904
4th Warmest
Warmest since:
 2012
Oct 2016–Apr 2017
7-Month 		40.4°F
(4.7°C)		 35.1°F
(1.7°C)		 5.3°F
(3.0°C)		 126th Coolest
Coolest since:
 1904
2nd Warmest
Warmest since:
 2012
Sep 2016–Apr 2017
8-Month 		44.0°F
(6.7°C)		 38.7°F
(3.7°C)		 5.3°F
(3.0°C)		 126th Coolest
Coolest since:
 1904
2nd Warmest
Warmest since:
 2012
Aug 2016–Apr 2017
9-Month 		47.4°F
(8.6°C)		 42.4°F
(5.8°C)		 5.0°F
(2.8°C)		 127th Coolest
Coolest since:
 1904
1st Warmest
Warmest since:
 2012, 2017
Ties: 2012
Jul 2016–Apr 2017
10-Month 		50.0°F
(10.0°C)		 45.4°F
(7.4°C)		 4.6°F
(2.6°C)		 126th Coolest
Coolest since:
 1904
2nd Warmest
Warmest since:
 2012
Jun 2016–Apr 2017
11-Month 		51.9°F
(11.1°C)		 47.5°F
(8.6°C)		 4.4°F
(2.5°C)		 126th Coolest
Coolest since:
 1904
2nd Warmest
Warmest since:
 2012
May 2016–Apr 2017
12-Month 		52.6°F
(11.4°C)		 48.5°F
(9.2°C)		 4.1°F
(2.2°C)		 126th Coolest
Coolest since:
 1904, 1918
2nd Warmest
Warmest since:
 2012
Nov 2015–Apr 2017
18-Month 		47.7°F
(8.7°C)		 43.1°F
(6.2°C)		 4.6°F
(2.5°C)		 126th Coolest
Coolest since:
 1905, 1918
1st Warmest
Warmest to Date
 2017
May 2015–Apr 2017
24-Month 		52.1°F
(11.2°C)		 48.4°F
(9.1°C)		 3.7°F
(2.1°C)		 126th Coolest
Coolest since:
 1905
1st Warmest
Warmest to Date
 2017
May 2014–Apr 2017
36-Month 		50.6°F
(10.3°C)		 48.5°F
(9.2°C)		 2.1°F
(1.1°C)		 122nd Coolest
Coolest since:
 1918
4th Warmest
Warmest since:
 2000
May 2013–Apr 2017
48-Month 		49.4°F
(9.7°C)		 48.4°F
(9.1°C)		 1.0°F
(0.6°C)		 96th Coolest
Coolest since:
 1980
29th Warmest
Warmest since:
 2002
Ties: 1988
May 2012–Apr 2017
60-Month 		49.6°F
(9.8°C)		 48.4°F
(9.1°C)		 1.2°F
(0.7°C)		 104th Coolest
Coolest since:
 1908, 1920
20th Warmest
Warmest since:
 2002
Ties: 1957, 2010, 2016

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