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, February 2021

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
February 2021
1-Month 		24.2°F
(-4.3°C)		 31.5°F
(-0.3°C)		 -7.3°F
(-4.0°C)		 16th Coolest
Coolest since:
 1978
113th Warmest
Warmest since:
 2017
Jan–Feb 2021
2-Month 		27.8°F
(-2.3°C)		 29.7°F
(-1.3°C)		 -1.9°F
(-1.0°C)		 33rd Coolest
Coolest since:
 1979
96th Warmest
Warmest since:
 2017
Ties: 1901, 2022
Dec 2020–Feb 2021
3-Month 		30.1°F
(-1.1°C)		 30.3°F
(-0.9°C)		 -0.2°F
(-0.2°C)		 48th Coolest
Coolest since:
 1978
80th Warmest
Warmest since:
 1932
Nov 2020–Feb 2021
4-Month 		34.6°F
(1.4°C)		 33.3°F
(0.7°C)		 1.3°F
(0.7°C)		 90th Coolest
Coolest since:
 1977
38th Warmest
Warmest since:
 1932
Ties: 1922, 1942, 1974
Oct 2020–Feb 2021
5-Month 		38.4°F
(3.6°C)		 37.7°F
(3.2°C)		 0.7°F
(0.4°C)		 76th Coolest
Coolest since:
 1977
52nd Warmest
Warmest since:
 1932
Ties: 1903, 1907
Sep 2020–Feb 2021
6-Month 		43.2°F
(6.2°C)		 42.7°F
(5.9°C)		 0.5°F
(0.3°C)		 73rd Coolest
Coolest since:
 1977
55th Warmest
Warmest since:
 1932
Ties: 1961
Aug 2020–Feb 2021
7-Month 		47.4°F
(8.6°C)		 47.2°F
(8.4°C)		 0.2°F
(0.2°C)		 61st Coolest
Coolest since:
 1977
67th Warmest
Warmest since:
 1932
Ties: 1906, 1915, 1971, 2007
Jul 2020–Feb 2021
8-Month 		51.2°F
(10.7°C)		 50.9°F
(10.5°C)		 0.3°F
(0.2°C)		 69th Coolest
Coolest since:
 1977
59th Warmest
Warmest since:
 1932
Ties: 1928, 1984
Jun 2020–Feb 2021
9-Month 		53.7°F
(12.1°C)		 53.3°F
(11.8°C)		 0.4°F
(0.3°C)		 75th Coolest
Coolest since:
 1977
53rd Warmest
Warmest since:
 1932
Ties: 1900, 1907, 1943
May 2020–Feb 2021
10-Month 		54.4°F
(12.4°C)		 54.2°F
(12.3°C)		 0.2°F
(0.1°C)		 64th Coolest
Coolest since:
 1977
64th Warmest
Warmest since:
 1932
Ties: 1898, 1947, 1971, 2004
Apr 2020–Feb 2021
11-Month 		54.1°F
(12.3°C)		 54.1°F
(12.3°C)		 0.0°F
(0.0°C)		 54th Coolest
Coolest since:
 1918
74th Warmest
Warmest since:
 1932
Ties: 1898, 1961, 1964, 1990
Mar 2020–Feb 2021
12-Month 		53.4°F
(11.9°C)		 53.1°F
(11.7°C)		 0.3°F
(0.2°C)		 71st Coolest
Coolest since:
 1918
57th Warmest
Warmest since:
 2017
Ties: 1926
Sep 2019–Feb 2021
18-Month 		50.7°F
(10.4°C)		 49.6°F
(9.8°C)		 1.1°F
(0.6°C)		 99th Coolest
Coolest since:
 1905
28th Warmest
Warmest since:
 2017
Ties: 1934, 2002
Mar 2019–Feb 2021
24-Month 		53.9°F
(12.2°C)		 53.1°F
(11.7°C)		 0.8°F
(0.5°C)		 94th Coolest
Coolest since:
 1905
33rd Warmest
Warmest since:
 2013, 2017
Ties: 1940, 1942
Mar 2018–Feb 2021
36-Month 		54.0°F
(12.2°C)		 53.1°F
(11.7°C)		 0.9°F
(0.5°C)		 96th Coolest
Coolest since:
 1979
30th Warmest
Warmest since:
 2013
Ties: 1922, 1954
Mar 2017–Feb 2021
48-Month 		54.1°F
(12.3°C)		 53.0°F
(11.7°C)		 1.1°F
(0.6°C)		 104th Coolest
Coolest since:
 1980
21st Warmest
Warmest since:
 2019
Ties: 1922, 1923, 1989, 2000, 2003
Mar 2016–Feb 2021
60-Month 		54.6°F
(12.6°C)		 53.0°F
(11.7°C)		 1.6°F
(0.9°C)		 121st Coolest
Coolest since:
 1981
3rd Warmest
Warmest since:
 2020
Ties: 2008

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