Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, October 1991

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
October 1991
1-Month		58.0°F
(14.4°C)		55.7°F
(13.2°C)		2.3°F
(1.2°C)		97th Coolest
Coolest since:
1925
32nd Warmest
Warmest since:
1963
Ties: 1934
Sep–Oct 1991
2-Month		63.0°F
(17.2°C)		61.6°F
(16.4°C)		1.4°F
(0.8°C)		93rd Coolest
Coolest since:
1917
36th Warmest
Warmest since:
1971, 2016
Ties: 1940
Aug–Oct 1991
3-Month		67.2°F
(19.6°C)		65.8°F
(18.8°C)		1.4°F
(0.8°C)		101st Coolest
Coolest since:
1976
28th Warmest
Warmest since:
1947, 2007
Ties: 1940, 1956, 2002
Jul–Oct 1991
4-Month		69.7°F
(20.9°C)		68.4°F
(20.2°C)		1.3°F
(0.7°C)		99th Coolest
Coolest since:
1967
30th Warmest
Warmest since:
1936
Ties: 1930, 2018
Jun–Oct 1991
5-Month		70.9°F
(21.6°C)		69.2°F
(20.7°C)		1.7°F
(0.9°C)		108th Coolest
Coolest since:
1917
21st Warmest
Warmest since:
1936
Ties: 1913, 1998, 2018
May–Oct 1991
6-Month		70.8°F
(21.6°C)		68.2°F
(20.1°C)		2.6°F
(1.5°C)		124th Coolest
Coolest since:
1917
5th Warmest
Warmest since:
1936
Ties: 2010
Apr–Oct 1991
7-Month		68.9°F
(20.5°C)		66.0°F
(18.9°C)		2.9°F
(1.6°C)		127th Coolest
Coolest since:
1907
2nd Warmest
Warmest to Date
2010
Mar–Oct 1991
8-Month		66.0°F
(18.9°C)		63.0°F
(17.2°C)		3.0°F
(1.7°C)		125th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2012
Ties: 1921
Feb–Oct 1991
9-Month		62.7°F
(17.1°C)		59.5°F
(15.3°C)		3.2°F
(1.8°C)		126th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2012
Jan–Oct 1991
10-Month		59.0°F
(15.0°C)		56.3°F
(13.5°C)		2.7°F
(1.5°C)		123rd Coolest
Coolest since:
1979
6th Warmest
Warmest since:
2012
Ties: 2016
Dec 1990–Oct 1991
11-Month		56.7°F
(13.7°C)		54.0°F
(12.2°C)		2.7°F
(1.5°C)		121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Ties: 1954
Nov 1990–Oct 1991
12-Month		56.0°F
(13.3°C)		53.1°F
(11.7°C)		2.9°F
(1.6°C)		124th Coolest
Coolest since:
1904
4th Warmest
Warmest since:
2012
Ties: 1921
May 1990–Oct 1991
18-Month		59.8°F
(15.4°C)		58.1°F
(14.5°C)		1.7°F
(0.9°C)		118th Coolest
Coolest since:
1904
10th Warmest
Warmest since:
2012
Ties: 1934
Nov 1989–Oct 1991
24-Month		54.7°F
(12.6°C)		53.1°F
(11.7°C)		1.6°F
(0.9°C)		112th Coolest
Coolest since:
1979
15th Warmest
Warmest since:
2017
Ties: 1992
Nov 1988–Oct 1991
36-Month		54.2°F
(12.3°C)		53.0°F
(11.7°C)		1.2°F
(0.6°C)		106th Coolest
Coolest since:
1979
20th Warmest
Warmest since:
2018
Ties: 1921, 1935, 1999, 2004
Nov 1987–Oct 1991
48-Month		54.1°F
(12.3°C)		53.0°F
(11.7°C)		1.1°F
(0.6°C)		106th Coolest
Coolest since:
1905, 1980
19th Warmest
Warmest since:
2019
Ties: 1957, 2006, 2010, 2022
Nov 1986–Oct 1991
60-Month		54.1°F
(12.3°C)		53.0°F
(11.7°C)		1.1°F
(0.6°C)		106th Coolest
Coolest since:
1982
18th Warmest
Warmest since:
2020
Ties: 1933, 2003, 2016

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