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, February 2017

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
February 2017
1-Month 		40.3°F
(4.6°C)		 28.1°F
(-2.2°C)		 12.2°F
(6.8°C)		 128th Coolest
Coolest since:
 1936
1st Warmest
Warmest to Date
 2017
Jan–Feb 2017
2-Month 		35.0°F
(1.7°C)		 26.0°F
(-3.3°C)		 9.0°F
(5.0°C)		 128th Coolest
Coolest since:
 1979
1st Warmest
Warmest to Date
 2017
Dec 2016–Feb 2017
3-Month 		32.5°F
(0.3°C)		 26.8°F
(-2.9°C)		 5.7°F
(3.2°C)		 122nd Coolest
Coolest since:
 1936
6th Warmest
Warmest since:
 1932
Ties: 1983
Nov 2016–Feb 2017
4-Month 		36.4°F
(2.4°C)		 30.1°F
(-1.1°C)		 6.3°F
(3.5°C)		 125th Coolest
Coolest since:
 1936
3rd Warmest
Warmest since:
 1932
Oct 2016–Feb 2017
5-Month 		41.0°F
(5.0°C)		 35.0°F
(1.7°C)		 6.0°F
(3.3°C)		 126th Coolest
Coolest since:
 1977
2nd Warmest
Warmest since:
 1932
Ties: 2002
Sep 2016–Feb 2017
6-Month 		46.0°F
(7.8°C)		 40.2°F
(4.6°C)		 5.8°F
(3.2°C)		 126th Coolest
Coolest since:
 1977
2nd Warmest
Warmest since:
 1932
Aug 2016–Feb 2017
7-Month 		50.1°F
(10.1°C)		 45.0°F
(7.2°C)		 5.1°F
(2.9°C)		 126th Coolest
Coolest since:
 1977
2nd Warmest
Warmest since:
 1932
Jul 2016–Feb 2017
8-Month 		53.2°F
(11.8°C)		 48.9°F
(9.4°C)		 4.3°F
(2.4°C)		 126th Coolest
Coolest since:
 1977
2nd Warmest
Warmest since:
 1932
Jun 2016–Feb 2017
9-Month 		55.6°F
(13.1°C)		 51.4°F
(10.8°C)		 4.2°F
(2.3°C)		 126th Coolest
Coolest since:
 1977
2nd Warmest
Warmest since:
 1932
May 2016–Feb 2017
10-Month 		56.2°F
(13.4°C)		 52.4°F
(11.3°C)		 3.8°F
(2.1°C)		 126th Coolest
Coolest since:
 1918
2nd Warmest
Warmest since:
 1932
Apr 2016–Feb 2017
11-Month 		55.9°F
(13.3°C)		 52.3°F
(11.3°C)		 3.6°F
(2.0°C)		 126th Coolest
Coolest since:
 1918
2nd Warmest
Warmest since:
 1932
Mar 2016–Feb 2017
12-Month 		55.1°F
(12.8°C)		 51.2°F
(10.7°C)		 3.9°F
(2.1°C)		 127th Coolest
Coolest since:
 1918
1st Warmest
Warmest to Date
 2017
Sep 2015–Feb 2017
18-Month 		51.7°F
(10.9°C)		 47.5°F
(8.6°C)		 4.2°F
(2.3°C)		 126th Coolest
Coolest since:
 1905
1st Warmest
Warmest to Date
 2017
Mar 2015–Feb 2017
24-Month 		54.4°F
(12.4°C)		 51.3°F
(10.7°C)		 3.1°F
(1.7°C)		 126th Coolest
Coolest since:
 1905
1st Warmest
Warmest to Date
 2017
Mar 2014–Feb 2017
36-Month 		52.7°F
(11.5°C)		 51.2°F
(10.7°C)		 1.5°F
(0.8°C)		 113th Coolest
Coolest since:
 1979
13th Warmest
Warmest since:
 2018
Ties: 1955, 2002
Mar 2013–Feb 2017
48-Month 		51.6°F
(10.9°C)		 51.2°F
(10.7°C)		 0.4°F
(0.2°C)		 80th Coolest
Coolest since:
 1905, 1980
45th Warmest
Warmest since:
 1934, 1935, 2019
Ties: 1949, 1988
Mar 2012–Feb 2017
60-Month 		52.1°F
(11.2°C)		 51.2°F
(10.7°C)		 0.9°F
(0.5°C)		 103rd Coolest
Coolest since:
 1905
21st Warmest
Warmest since:
 1935
Ties: 1932, 1939, 1990, 2013

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