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 2000

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
April 2000
1-Month 		51.9°F
(11.1°C)		 51.3°F
(10.7°C)		 0.6°F
(0.4°C)		 72nd Coolest
Coolest since:
 2018
57th Warmest
Warmest since:
 2010
Ties: 1899, 1908, 1912, 1914, 1919
Mar–Apr 2000
2-Month 		48.9°F
(9.4°C)		 45.2°F
(7.3°C)		 3.7°F
(2.1°C)		 108th Coolest
Coolest since:
 1960
21st Warmest
Warmest since:
 2012
Ties: 2006
Feb–Apr 2000
3-Month 		44.9°F
(7.2°C)		 39.5°F
(4.2°C)		 5.4°F
(3.0°C)		 122nd Coolest
Coolest since:
 1899
7th Warmest
Warmest since:
 2012
Jan–Apr 2000
4-Month 		40.2°F
(4.6°C)		 35.6°F
(2.0°C)		 4.6°F
(2.6°C)		 121st Coolest
Coolest since:
 1912
8th Warmest
Warmest since:
 2012
Dec 1999–Apr 2000
5-Month 		38.4°F
(3.6°C)		 34.2°F
(1.2°C)		 4.2°F
(2.4°C)		 123rd Coolest
Coolest since:
 1978
5th Warmest
Warmest since:
 2012
Ties: 1992
Nov 1999–Apr 2000
6-Month 		40.0°F
(4.4°C)		 35.2°F
(1.8°C)		 4.8°F
(2.6°C)		 123rd Coolest
Coolest since:
 1904, 1912, 1978
5th Warmest
Warmest to Date
 2012
Oct 1999–Apr 2000
7-Month 		42.1°F
(5.6°C)		 37.9°F
(3.3°C)		 4.2°F
(2.3°C)		 122nd Coolest
Coolest since:
 1912
6th Warmest
Warmest since:
 2012
Sep 1999–Apr 2000
8-Month 		44.8°F
(7.1°C)		 41.5°F
(5.3°C)		 3.3°F
(1.8°C)		 121st Coolest
Coolest since:
 1904, 1978
7th Warmest
Warmest since:
 2017
Aug 1999–Apr 2000
9-Month 		47.8°F
(8.8°C)		 45.0°F
(7.2°C)		 2.8°F
(1.6°C)		 118th Coolest
Coolest since:
 1978
10th Warmest
Warmest since:
 2017
Jul 1999–Apr 2000
10-Month 		50.9°F
(10.5°C)		 48.1°F
(8.9°C)		 2.8°F
(1.6°C)		 121st Coolest
Coolest since:
 1904
7th Warmest
Warmest since:
 2012
Ties: 1954, 2002
Jun 1999–Apr 2000
11-Month 		52.8°F
(11.6°C)		 50.3°F
(10.2°C)		 2.5°F
(1.4°C)		 120th Coolest
Coolest since:
 1904
8th Warmest
Warmest since:
 2017
May 1999–Apr 2000
12-Month 		53.7°F
(12.1°C)		 51.3°F
(10.7°C)		 2.4°F
(1.4°C)		 118th Coolest
Coolest since:
 1918
10th Warmest
Warmest since:
 2017
Nov 1998–Apr 2000
18-Month 		48.6°F
(9.2°C)		 45.9°F
(7.7°C)		 2.7°F
(1.5°C)		 123rd Coolest
Coolest since:
 1979
4th Warmest
Warmest since:
 2017
Ties: 1999, 2013
May 1998–Apr 2000
24-Month 		53.8°F
(12.1°C)		 51.2°F
(10.7°C)		 2.6°F
(1.4°C)		 125th Coolest
Coolest since:
 1905
2nd Warmest
Warmest since:
 2017
Ties: 1932
May 1997–Apr 2000
36-Month 		53.2°F
(11.8°C)		 51.2°F
(10.7°C)		 2.0°F
(1.1°C)		 124th Coolest
Coolest since:
 1979
2nd Warmest
Warmest to Date
 2018
May 1996–Apr 2000
48-Month 		52.4°F
(11.3°C)		 51.2°F
(10.7°C)		 1.2°F
(0.6°C)		 112th Coolest
Coolest since:
 1980
13th Warmest
Warmest since:
 1935
Ties: 1922, 1924, 1942, 1992, 2006
May 1995–Apr 2000
60-Month 		51.9°F
(11.1°C)		 51.2°F
(10.7°C)		 0.7°F
(0.4°C)		 91st Coolest
Coolest since:
 1906, 1979
33rd Warmest
Warmest since:
 1935
Ties: 1937, 1945, 1989, 2005, 2010, 2016, 2017

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