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 2021

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
February 2021
1-Month		16.7°F
(-8.5°C)		24.8°F
(-4.0°C)		-8.1°F
(-4.5°C)		12th Coolest
Coolest since:
1936
118th Warmest
Warmest since:
1998
Ties: 2007
Jan–Feb 2021
2-Month		21.6°F
(-5.8°C)		23.1°F
(-4.9°C)		-1.5°F
(-0.9°C)		39th Coolest
Coolest since:
1979
91st Warmest
Warmest since:
1998
Ties: 1968
Dec 2020–Feb 2021
3-Month		24.6°F
(-4.1°C)		24.0°F
(-4.4°C)		0.6°F
(0.3°C)		63rd Coolest
Coolest since:
1904
66th Warmest
Warmest since:
1932
Nov 2020–Feb 2021
4-Month		29.8°F
(-1.2°C)		27.5°F
(-2.5°C)		2.3°F
(1.3°C)		102nd Coolest
Coolest since:
1977
27th Warmest
Warmest since:
2002
Ties: 1909, 2004
Oct 2020–Feb 2021
5-Month		33.7°F
(0.9°C)		32.5°F
(0.3°C)		1.2°F
(0.6°C)		89th Coolest
Coolest since:
1977
40th Warmest
Warmest since:
1932
Ties: 1949
Sep 2020–Feb 2021
6-Month		38.7°F
(3.7°C)		37.7°F
(3.2°C)		1.0°F
(0.5°C)		84th Coolest
Coolest since:
1977
45th Warmest
Warmest since:
1932
Ties: 1913, 1950
Aug 2020–Feb 2021
7-Month		43.5°F
(6.4°C)		42.4°F
(5.8°C)		1.1°F
(0.6°C)		88th Coolest
Coolest since:
1977
41st Warmest
Warmest since:
1932
Ties: 1906, 1948, 1950, 1953, 1964
Jul 2020–Feb 2021
8-Month		47.6°F
(8.7°C)		46.3°F
(7.9°C)		1.3°F
(0.8°C)		98th Coolest
Coolest since:
1977
31st Warmest
Warmest since:
1932
Ties: 1922, 1950
Jun 2020–Feb 2021
9-Month		50.3°F
(10.2°C)		48.8°F
(9.3°C)		1.5°F
(0.9°C)		106th Coolest
Coolest since:
1904, 1918
23rd Warmest
Warmest since:
1932
Ties: 1939, 1942, 1950, 1953, 1974, 1976, 1987
May 2020–Feb 2021
10-Month		51.1°F
(10.6°C)		49.8°F
(9.9°C)		1.3°F
(0.7°C)		96th Coolest
Coolest since:
1918
33rd Warmest
Warmest since:
1932
Ties: 1923, 1934, 1953
Apr 2020–Feb 2021
11-Month		50.6°F
(10.3°C)		49.6°F
(9.8°C)		1.0°F
(0.5°C)		90th Coolest
Coolest since:
1918
39th Warmest
Warmest since:
1932
Ties: 1897, 1909, 1921, 1955, 1960, 1964, 1972, 2018
Mar 2020–Feb 2021
12-Month		49.8°F
(9.9°C)		48.5°F
(9.2°C)		1.3°F
(0.7°C)		101st Coolest
Coolest since:
1918
28th Warmest
Warmest since:
2017
Ties: 1947, 2020
Sep 2019–Feb 2021
18-Month		46.6°F
(8.1°C)		44.9°F
(7.2°C)		1.7°F
(0.9°C)		109th Coolest
Coolest since:
1905
19th Warmest
Warmest since:
2017
Ties: 1955, 2005
Mar 2019–Feb 2021
24-Month		49.8°F
(9.9°C)		48.4°F
(9.1°C)		1.4°F
(0.8°C)		104th Coolest
Coolest since:
1905
24th Warmest
Warmest since:
2017
Ties: 2005
Mar 2018–Feb 2021
36-Month		49.5°F
(9.7°C)		48.4°F
(9.1°C)		1.1°F
(0.6°C)		99th Coolest
Coolest since:
1918
28th Warmest
Warmest since:
2013
Ties: 1990
Mar 2017–Feb 2021
48-Month		49.5°F
(9.7°C)		48.4°F
(9.1°C)		1.1°F
(0.6°C)		99th Coolest
Coolest since:
1905, 1918
27th Warmest
Warmest since:
2002
Ties: 1922, 1923, 1933
Mar 2016–Feb 2021
60-Month		50.1°F
(10.1°C)		48.4°F
(9.1°C)		1.7°F
(1.0°C)		119th Coolest
Coolest since:
1905, 1908
6th Warmest
Warmest since:
2002
Ties: 2023

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