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, January 2020

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
January 2020
1-Month		34.4°F
(1.3°C)		27.7°F
(-2.4°C)		6.7°F
(3.7°C)		118th Coolest
Coolest since:
1977
12th Warmest
Warmest since:
2006
Ties: 1914
Dec 2019–Jan 2020
2-Month		35.7°F
(2.1°C)		29.7°F
(-1.3°C)		6.0°F
(3.4°C)		123rd Coolest
Coolest since:
1918
6th Warmest
Warmest since:
1932
Ties: 2016
Nov 2019–Jan 2020
3-Month		36.2°F
(2.3°C)		33.9°F
(1.1°C)		2.3°F
(1.2°C)		98th Coolest
Coolest since:
1977
31st Warmest
Warmest since:
1932
Ties: 1988
Oct 2019–Jan 2020
4-Month		41.2°F
(5.1°C)		39.4°F
(4.1°C)		1.8°F
(1.0°C)		96th Coolest
Coolest since:
1977
33rd Warmest
Warmest since:
1932
Ties: 2004, 2013
Sep 2019–Jan 2020
5-Month		47.5°F
(8.6°C)		45.0°F
(7.2°C)		2.5°F
(1.4°C)		111th Coolest
Coolest since:
1977
18th Warmest
Warmest since:
1932
Aug 2019–Jan 2020
6-Month		51.8°F
(11.0°C)		49.9°F
(9.9°C)		1.9°F
(1.1°C)		111th Coolest
Coolest since:
1977
18th Warmest
Warmest since:
1932
Ties: 1950, 2023
Jul 2019–Jan 2020
7-Month		55.5°F
(13.1°C)		53.6°F
(12.0°C)		1.9°F
(1.1°C)		110th Coolest
Coolest since:
1977
19th Warmest
Warmest since:
1932
Ties: 2000
Jun 2019–Jan 2020
8-Month		57.5°F
(14.2°C)		56.0°F
(13.3°C)		1.5°F
(0.9°C)		101st Coolest
Coolest since:
1977
28th Warmest
Warmest since:
1932
Ties: 1995
May 2019–Jan 2020
9-Month		58.3°F
(14.6°C)		56.8°F
(13.8°C)		1.5°F
(0.8°C)		101st Coolest
Coolest since:
1918, 1977
28th Warmest
Warmest since:
1932
Apr 2019–Jan 2020
10-Month		57.9°F
(14.4°C)		56.4°F
(13.6°C)		1.5°F
(0.8°C)		101st Coolest
Coolest since:
1918
28th Warmest
Warmest since:
1932
Ties: 2007
Mar 2019–Jan 2020
11-Month		56.2°F
(13.4°C)		55.0°F
(12.8°C)		1.2°F
(0.6°C)		96th Coolest
Coolest since:
1918
33rd Warmest
Warmest since:
2013
Ties: 1987, 2018
Feb 2019–Jan 2020
12-Month		54.3°F
(12.4°C)		53.1°F
(11.7°C)		1.2°F
(0.7°C)		100th Coolest
Coolest since:
1918
29th Warmest
Warmest since:
2013
Ties: 1937, 1974, 2019, 2021
Aug 2018–Jan 2020
18-Month		53.1°F
(11.7°C)		52.0°F
(11.1°C)		1.1°F
(0.6°C)		100th Coolest
Coolest since:
1905
28th Warmest
Warmest since:
2013
Ties: 1943, 1947, 1949, 1988
Feb 2018–Jan 2020
24-Month		54.3°F
(12.4°C)		53.1°F
(11.7°C)		1.2°F
(0.7°C)		100th Coolest
Coolest since:
1918
28th Warmest
Warmest since:
2013
Ties: 1940, 2021
Feb 2017–Jan 2020
36-Month		54.6°F
(12.6°C)		53.0°F
(11.7°C)		1.6°F
(0.9°C)		113th Coolest
Coolest since:
1905
14th Warmest
Warmest since:
2013
Feb 2016–Jan 2020
48-Month		55.0°F
(12.8°C)		53.0°F
(11.7°C)		2.0°F
(1.1°C)		125th Coolest
Coolest since:
1905
1st Warmest
Warmest since:
1934, 2013, 2020
Ties: 1934, 2013
Feb 2015–Jan 2020
60-Month		54.8°F
(12.7°C)		53.0°F
(11.7°C)		1.8°F
(1.0°C)		124th Coolest
Coolest since:
1981
1st Warmest
Warmest since:
1935, 2020, 2021
Ties: 1935, 2021

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