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 7. East Southeast

Average Temperature Rankings, April 2015

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
April 2015
1-Month		55.1°F
(12.8°C)		52.8°F
(11.6°C)		2.3°F
(1.2°C)		94th Coolest
Coolest since:
1907
35th Warmest
Warmest since:
2010
Ties: 1974
Mar–Apr 2015
2-Month		47.1°F
(8.4°C)		47.2°F
(8.4°C)		-0.1°F
(0.0°C)		66th Coolest
Coolest since:
1926
63rd Warmest
Warmest since:
2012
Ties: 1895
Feb–Apr 2015
3-Month		38.4°F
(3.6°C)		42.0°F
(5.6°C)		-3.6°F
(-2.0°C)		15th Coolest
Coolest since:
1978
114th Warmest
Warmest since:
2012
Jan–Apr 2015
4-Month		35.8°F
(2.1°C)		38.4°F
(3.6°C)		-2.6°F
(-1.5°C)		18th Coolest
Coolest since:
1978
111th Warmest
Warmest since:
2012
Ties: 1920, 1924
Dec 2014–Apr 2015
5-Month		35.7°F
(2.1°C)		37.1°F
(2.8°C)		-1.4°F
(-0.7°C)		27th Coolest
Coolest since:
1978
101st Warmest
Warmest since:
2012
Ties: 1958, 1959, 1960
Nov 2014–Apr 2015
6-Month		35.7°F
(2.1°C)		37.9°F
(3.3°C)		-2.2°F
(-1.2°C)		19th Coolest
Coolest since:
1978
109th Warmest
Warmest since:
2012
Ties: 1905, 1960
Oct 2014–Apr 2015
7-Month		38.5°F
(3.6°C)		40.5°F
(4.7°C)		-2.0°F
(-1.1°C)		20th Coolest
Coolest since:
1978
108th Warmest
Warmest since:
2012
Ties: 1920
Sep 2014–Apr 2015
8-Month		41.8°F
(5.4°C)		43.8°F
(6.6°C)		-2.0°F
(-1.2°C)		15th Coolest
Coolest since:
1904, 1918, 1978
113th Warmest
Warmest since:
2017
Ties: 1926
Aug 2014–Apr 2015
9-Month		45.4°F
(7.4°C)		47.2°F
(8.4°C)		-1.8°F
(-1.0°C)		16th Coolest
Coolest since:
1918
112th Warmest
Warmest since:
2017
Ties: 1926
Jul 2014–Apr 2015
10-Month		47.9°F
(8.8°C)		50.1°F
(10.1°C)		-2.2°F
(-1.3°C)		10th Coolest
Coolest since:
1918
118th Warmest
Warmest since:
2012
Ties: 1968, 1979
Jun 2014–Apr 2015
11-Month		50.3°F
(10.2°C)		52.2°F
(11.2°C)		-1.9°F
(-1.0°C)		15th Coolest
Coolest since:
1904, 1918
113th Warmest
Warmest since:
2012
May 2014–Apr 2015
12-Month		51.5°F
(10.8°C)		53.1°F
(11.7°C)		-1.6°F
(-0.9°C)		14th Coolest
Coolest since:
1918
114th Warmest
Warmest since:
2012
Nov 2013–Apr 2015
18-Month		45.7°F
(7.6°C)		48.0°F
(8.9°C)		-2.3°F
(-1.3°C)		5th Coolest
Coolest since:
1905, 1979
122nd Warmest
Warmest since:
2017
May 2013–Apr 2015
24-Month		51.3°F
(10.7°C)		53.1°F
(11.7°C)		-1.8°F
(-1.0°C)		5th Coolest
Coolest since:
1978
122nd Warmest
Warmest since:
2017
May 2012–Apr 2015
36-Month		52.3°F
(11.3°C)		53.0°F
(11.7°C)		-0.7°F
(-0.4°C)		17th Coolest
Coolest since:
1979
109th Warmest
Warmest since:
2018
Ties: 1899, 1907, 1930, 1960, 1963, 1977, 1981, 1984
May 2011–Apr 2015
48-Month		53.5°F
(11.9°C)		53.0°F
(11.7°C)		0.5°F
(0.2°C)		76th Coolest
Coolest since:
1980
49th Warmest
Warmest since:
2019
Ties: 1925, 1936, 1941, 1943, 1950, 1999
May 2010–Apr 2015
60-Month		53.7°F
(12.1°C)		53.0°F
(11.7°C)		0.7°F
(0.4°C)		86th Coolest
Coolest since:
1981
38th Warmest
Warmest since:
2020
Ties: 1924, 1933, 1937, 1938, 1939, 1941, 1955, 1976, 1995, 2018

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