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 2004

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
April 2004
1-Month 		53.9°F
(12.2°C)		 51.3°F
(10.7°C)		 2.6°F
(1.5°C)		 100th Coolest
Coolest since:
 2018
29th Warmest
Warmest since:
 2010
Ties: 1960, 1987
Mar–Apr 2004
2-Month 		49.2°F
(9.6°C)		 45.2°F
(7.3°C)		 4.0°F
(2.3°C)		 114th Coolest
Coolest since:
 1960
15th Warmest
Warmest since:
 2012
Ties: 1963, 1976
Feb–Apr 2004
3-Month 		42.3°F
(5.7°C)		 39.5°F
(4.2°C)		 2.8°F
(1.5°C)		 103rd Coolest
Coolest since:
 1899
26th Warmest
Warmest since:
 2012
Jan–Apr 2004
4-Month 		37.6°F
(3.1°C)		 35.6°F
(2.0°C)		 2.0°F
(1.1°C)		 97th Coolest
Coolest since:
 1912
32nd Warmest
Warmest since:
 2012
Ties: 1896
Dec 2003–Apr 2004
5-Month 		36.5°F
(2.5°C)		 34.1°F
(1.2°C)		 2.4°F
(1.3°C)		 104th Coolest
Coolest since:
 1978
24th Warmest
Warmest since:
 2012
Nov 2003–Apr 2004
6-Month 		37.6°F
(3.1°C)		 35.2°F
(1.8°C)		 2.4°F
(1.3°C)		 107th Coolest
Coolest since:
 1904, 1912, 1978
21st Warmest
Warmest since:
 2012
Ties: 1981
Oct 2003–Apr 2004
7-Month 		40.0°F
(4.4°C)		 38.0°F
(3.3°C)		 2.0°F
(1.1°C)		 108th Coolest
Coolest since:
 1912
20th Warmest
Warmest since:
 2012
Sep 2003–Apr 2004
8-Month 		42.9°F
(6.1°C)		 41.5°F
(5.3°C)		 1.4°F
(0.8°C)		 101st Coolest
Coolest since:
 1904, 1978
27th Warmest
Warmest since:
 2017
Ties: 1981, 2022
Aug 2003–Apr 2004
9-Month 		46.5°F
(8.1°C)		 45.0°F
(7.2°C)		 1.5°F
(0.9°C)		 102nd Coolest
Coolest since:
 1978
26th Warmest
Warmest since:
 2017
Ties: 1938, 1946, 2020
Jul 2003–Apr 2004
10-Month 		49.3°F
(9.6°C)		 48.1°F
(8.9°C)		 1.2°F
(0.7°C)		 97th Coolest
Coolest since:
 1904
31st Warmest
Warmest since:
 2012
Jun 2003–Apr 2004
11-Month 		51.1°F
(10.6°C)		 50.3°F
(10.2°C)		 0.8°F
(0.4°C)		 90th Coolest
Coolest since:
 1904
38th Warmest
Warmest since:
 2017
Ties: 1945, 1964, 1995, 2007
May 2003–Apr 2004
12-Month 		51.9°F
(11.1°C)		 51.3°F
(10.7°C)		 0.6°F
(0.4°C)		 83rd Coolest
Coolest since:
 1918
45th Warmest
Warmest since:
 2017
Ties: 1950, 1964, 2011, 2013
Nov 2002–Apr 2004
18-Month 		46.3°F
(7.9°C)		 45.9°F
(7.7°C)		 0.4°F
(0.2°C)		 79th Coolest
Coolest since:
 1979
48th Warmest
Warmest since:
 2017
Ties: 1938, 1940, 1953, 1957, 2020
May 2002–Apr 2004
24-Month 		51.5°F
(10.8°C)		 51.2°F
(10.7°C)		 0.3°F
(0.1°C)		 75th Coolest
Coolest since:
 1905
52nd Warmest
Warmest since:
 2017
Ties: 1901, 1941, 1945, 1976, 2019
May 2001–Apr 2004
36-Month 		52.2°F
(11.2°C)		 51.2°F
(10.7°C)		 1.0°F
(0.5°C)		 102nd Coolest
Coolest since:
 1979
24th Warmest
Warmest since:
 2018
Ties: 1921, 1922, 1940, 1954, 1957
May 2000–Apr 2004
48-Month 		51.8°F
(11.0°C)		 51.2°F
(10.7°C)		 0.6°F
(0.3°C)		 86th Coolest
Coolest since:
 1980
39th Warmest
Warmest since:
 1935
Ties: 1944, 1958, 1988
May 1999–Apr 2004
60-Month 		52.2°F
(11.2°C)		 51.3°F
(10.7°C)		 0.9°F
(0.5°C)		 107th Coolest
Coolest since:
 1906, 1979
17th Warmest
Warmest since:
 1935
Ties: 1936, 1958, 2009

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