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 2019

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
February 2019
1-Month		24.1°F
(-4.4°C)		24.8°F
(-4.0°C)		-0.7°F
(-0.4°C)		54th Coolest
Coolest since:
1936
76th Warmest
Warmest since:
1998
Ties: 1918, 1986
Jan–Feb 2019
2-Month		22.4°F
(-5.3°C)		23.1°F
(-4.9°C)		-0.7°F
(-0.4°C)		46th Coolest
Coolest since:
1979
84th Warmest
Warmest since:
1998
Ties: 1914
Dec 2018–Feb 2019
3-Month		25.4°F
(-3.7°C)		24.0°F
(-4.4°C)		1.4°F
(0.7°C)		78th Coolest
Coolest since:
1904
51st Warmest
Warmest since:
1932
Ties: 1908, 2007
Nov 2018–Feb 2019
4-Month		27.4°F
(-2.6°C)		27.5°F
(-2.5°C)		-0.1°F
(-0.1°C)		52nd Coolest
Coolest since:
1977
77th Warmest
Warmest since:
2002
Ties: 1969
Oct 2018–Feb 2019
5-Month		32.0°F
(0.0°C)		32.5°F
(0.3°C)		-0.5°F
(-0.3°C)		40th Coolest
Coolest since:
1977
89th Warmest
Warmest since:
1932
Ties: 1938, 1948
Sep 2018–Feb 2019
6-Month		38.0°F
(3.3°C)		37.7°F
(3.2°C)		0.3°F
(0.1°C)		69th Coolest
Coolest since:
1977
60th Warmest
Warmest since:
1932
Ties: 1980, 1981
Aug 2018–Feb 2019
7-Month		43.0°F
(6.1°C)		42.4°F
(5.8°C)		0.6°F
(0.3°C)		72nd Coolest
Coolest since:
1977
57th Warmest
Warmest since:
1932
Ties: 1934, 1940, 1941, 1981, 1984, 2011
Jul 2018–Feb 2019
8-Month		46.8°F
(8.2°C)		46.3°F
(7.9°C)		0.5°F
(0.3°C)		63rd Coolest
Coolest since:
1977
66th Warmest
Warmest since:
1932
Ties: 1940, 1948, 1960, 1975
Jun 2018–Feb 2019
9-Month		49.5°F
(9.7°C)		48.8°F
(9.3°C)		0.7°F
(0.4°C)		78th Coolest
Coolest since:
1904, 1918
51st Warmest
Warmest since:
1932
Ties: 1940, 1944, 2004
May 2018–Feb 2019
10-Month		51.2°F
(10.7°C)		49.8°F
(9.9°C)		1.4°F
(0.8°C)		100th Coolest
Coolest since:
1918
29th Warmest
Warmest since:
1932
Ties: 1937, 1939, 1995
Apr 2018–Feb 2019
11-Month		50.2°F
(10.1°C)		49.6°F
(9.8°C)		0.6°F
(0.3°C)		74th Coolest
Coolest since:
1918
55th Warmest
Warmest since:
1932
Ties: 1915, 1940, 2004
Mar 2018–Feb 2019
12-Month		49.0°F
(9.4°C)		48.5°F
(9.2°C)		0.5°F
(0.2°C)		75th Coolest
Coolest since:
1918
54th Warmest
Warmest since:
2017
Ties: 1897, 1906, 1911, 1957, 1969
Sep 2017–Feb 2019
18-Month		45.7°F
(7.6°C)		44.9°F
(7.2°C)		0.8°F
(0.4°C)		88th Coolest
Coolest since:
1905
40th Warmest
Warmest since:
2017
Ties: 1914, 1965
Mar 2017–Feb 2019
24-Month		49.3°F
(9.6°C)		48.4°F
(9.1°C)		0.9°F
(0.5°C)		94th Coolest
Coolest since:
1905
34th Warmest
Warmest since:
2017
Ties: 1943, 1956, 1957, 1975, 1984, 1990
Mar 2016–Feb 2019
36-Month		50.4°F
(10.2°C)		48.4°F
(9.1°C)		2.0°F
(1.1°C)		119th Coolest
Coolest since:
1918
8th Warmest
Warmest since:
2013
Ties: 2008
Mar 2015–Feb 2019
48-Month		50.6°F
(10.3°C)		48.4°F
(9.1°C)		2.2°F
(1.2°C)		124th Coolest
Coolest since:
1905, 1918
2nd Warmest
Warmest since:
2002
Ties: 2013
Mar 2014–Feb 2019
60-Month		49.8°F
(9.9°C)		48.4°F
(9.1°C)		1.4°F
(0.8°C)		111th Coolest
Coolest since:
1905, 1908
14th Warmest
Warmest since:
2002
Ties: 2005, 2007, 2017

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