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, February 2009

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
February 2009
1-Month		27.7°F
(-2.4°C)		24.8°F
(-4.0°C)		2.9°F
(1.6°C)		93rd Coolest
Coolest since:
1936
37th Warmest
Warmest since:
1998
Jan–Feb 2009
2-Month		21.2°F
(-6.0°C)		23.1°F
(-4.9°C)		-1.9°F
(-1.1°C)		35th Coolest
Coolest since:
1979
95th Warmest
Warmest since:
1998
Ties: 1980
Dec 2008–Feb 2009
3-Month		21.2°F
(-6.0°C)		24.0°F
(-4.4°C)		-2.8°F
(-1.6°C)		23rd Coolest
Coolest since:
1904
106th Warmest
Warmest since:
1932
Nov 2008–Feb 2009
4-Month		25.7°F
(-3.5°C)		27.5°F
(-2.5°C)		-1.8°F
(-1.0°C)		28th Coolest
Coolest since:
1977
101st Warmest
Warmest since:
2002
Oct 2008–Feb 2009
5-Month		30.8°F
(-0.7°C)		32.5°F
(0.3°C)		-1.7°F
(-1.0°C)		25th Coolest
Coolest since:
1977
104th Warmest
Warmest since:
1932
Sep 2008–Feb 2009
6-Month		36.6°F
(2.6°C)		37.7°F
(3.2°C)		-1.1°F
(-0.6°C)		29th Coolest
Coolest since:
1977
100th Warmest
Warmest since:
1932
Ties: 1997
Aug 2008–Feb 2009
7-Month		41.4°F
(5.2°C)		42.4°F
(5.8°C)		-1.0°F
(-0.6°C)		29th Coolest
Coolest since:
1977
100th Warmest
Warmest since:
1932
Ties: 1925, 1926, 1962
Jul 2008–Feb 2009
8-Month		45.3°F
(7.4°C)		46.3°F
(7.9°C)		-1.0°F
(-0.5°C)		29th Coolest
Coolest since:
1977
100th Warmest
Warmest since:
1932
Ties: 1926, 1930, 1993
Jun 2008–Feb 2009
9-Month		48.1°F
(8.9°C)		48.8°F
(9.3°C)		-0.7°F
(-0.4°C)		38th Coolest
Coolest since:
1904, 1918
91st Warmest
Warmest since:
1932
Ties: 1926, 2010
May 2008–Feb 2009
10-Month		48.9°F
(9.4°C)		49.8°F
(9.9°C)		-0.9°F
(-0.5°C)		34th Coolest
Coolest since:
1918
95th Warmest
Warmest since:
1932
Apr 2008–Feb 2009
11-Month		49.0°F
(9.4°C)		49.6°F
(9.8°C)		-0.6°F
(-0.4°C)		36th Coolest
Coolest since:
1918
93rd Warmest
Warmest since:
1932
Ties: 1973
Mar 2008–Feb 2009
12-Month		47.7°F
(8.7°C)		48.5°F
(9.2°C)		-0.8°F
(-0.5°C)		31st Coolest
Coolest since:
1918
98th Warmest
Warmest since:
2017
Ties: 1973, 1985
Sep 2007–Feb 2009
18-Month		44.8°F
(7.1°C)		44.9°F
(7.2°C)		-0.1°F
(-0.1°C)		51st Coolest
Coolest since:
1905
77th Warmest
Warmest since:
2017
Ties: 1898, 1928, 1941, 1948, 1967, 1969, 1983
Mar 2007–Feb 2009
24-Month		49.1°F
(9.5°C)		48.4°F
(9.1°C)		0.7°F
(0.4°C)		85th Coolest
Coolest since:
1905
43rd Warmest
Warmest since:
2017
Ties: 1939
Mar 2006–Feb 2009
36-Month		49.2°F
(9.6°C)		48.4°F
(9.1°C)		0.8°F
(0.5°C)		91st Coolest
Coolest since:
1918
36th Warmest
Warmest since:
2013
Ties: 1939, 1957
Mar 2005–Feb 2009
48-Month		49.8°F
(9.9°C)		48.4°F
(9.1°C)		1.4°F
(0.8°C)		109th Coolest
Coolest since:
1905, 1918
17th Warmest
Warmest since:
2002
Ties: 1935, 1989, 1990, 2000
Mar 2004–Feb 2009
60-Month		49.9°F
(9.9°C)		48.4°F
(9.1°C)		1.5°F
(0.8°C)		115th Coolest
Coolest since:
1905, 1908
10th Warmest
Warmest since:
2002
Ties: 1935, 2004, 2022

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