Statewide Rankings

Statewide Data Info
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Illinois

Average Temperature Rankings, October 1921

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
October 1921
1-Month		54.3°F
(12.4°C)		54.6°F
(12.6°C)		-0.3°F
(-0.2°C)		57th Coolest
Coolest since:
1925
72nd Warmest
Warmest since:
1963
Ties: 1979, 2014
Sep–Oct 1921
2-Month		62.3°F
(16.8°C)		60.5°F
(15.8°C)		1.8°F
(1.0°C)		102nd Coolest
Coolest since:
1917
27th Warmest
Warmest since:
1897
Ties: 1954, 2018
Aug–Oct 1921
3-Month		65.9°F
(18.8°C)		64.8°F
(18.2°C)		1.1°F
(0.6°C)		95th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
1947
Ties: 1914, 1959
Jul–Oct 1921
4-Month		69.3°F
(20.7°C)		67.5°F
(19.7°C)		1.8°F
(1.0°C)		112th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
1936
Jun–Oct 1921
5-Month		70.6°F
(21.4°C)		68.2°F
(20.1°C)		2.4°F
(1.3°C)		121st Coolest
Coolest since:
1917
8th Warmest
Warmest to Date
1936
Ties: 1953, 1954, 2010
May–Oct 1921
6-Month		69.5°F
(20.8°C)		67.2°F
(19.6°C)		2.3°F
(1.2°C)		122nd Coolest
Coolest since:
1917
7th Warmest
Warmest to Date
1936
Ties: 1941, 1991, 1998
Apr–Oct 1921
7-Month		67.3°F
(19.6°C)		65.0°F
(18.3°C)		2.3°F
(1.3°C)		121st Coolest
Coolest since:
1917
8th Warmest
Warmest to Date
2010
Mar–Oct 1921
8-Month		65.0°F
(18.3°C)		61.8°F
(16.6°C)		3.2°F
(1.7°C)		127th Coolest
Coolest since:
1917
2nd Warmest
Warmest to Date
2012
Ties: 2007, 2010
Feb–Oct 1921
9-Month		61.6°F
(16.4°C)		58.2°F
(14.6°C)		3.4°F
(1.8°C)		127th Coolest
Coolest since:
1917
2nd Warmest
Warmest to Date
2012
Jan–Oct 1921
10-Month		58.7°F
(14.8°C)		54.9°F
(12.7°C)		3.8°F
(2.1°C)		127th Coolest
Coolest since:
1904
2nd Warmest
Warmest to Date
2012
Dec 1920–Oct 1921
11-Month		56.2°F
(13.4°C)		52.6°F
(11.4°C)		3.6°F
(2.0°C)		125th Coolest
Coolest since:
1904
3rd Warmest
Warmest to Date
2012
Nov 1920–Oct 1921
12-Month		54.7°F
(12.6°C)		51.6°F
(10.9°C)		3.1°F
(1.7°C)		124th Coolest
Coolest since:
1904
4th Warmest
Warmest to Date
2012
May 1920–Oct 1921
18-Month		59.0°F
(15.0°C)		56.8°F
(13.8°C)		2.2°F
(1.2°C)		123rd Coolest
Coolest since:
1904
5th Warmest
Warmest to Date
2012
Ties: 1954
Nov 1919–Oct 1921
24-Month		52.4°F
(11.3°C)		51.6°F
(10.9°C)		0.8°F
(0.4°C)		91st Coolest
Coolest since:
1905
36th Warmest
Warmest since:
2017
Nov 1918–Oct 1921
36-Month		52.8°F
(11.6°C)		51.6°F
(10.9°C)		1.2°F
(0.7°C)		106th Coolest
Coolest since:
1904, 1979
20th Warmest
Warmest to Date
2018
Ties: 1999, 2004, 2021
Nov 1917–Oct 1921
48-Month		52.1°F
(11.2°C)		51.6°F
(10.9°C)		0.5°F
(0.3°C)		82nd Coolest
Coolest since:
1905
43rd Warmest
Warmest to Date
2019
Ties: 1940, 1949, 1954, 1999, 2016
Nov 1916–Oct 1921
60-Month		51.4°F
(10.8°C)		51.6°F
(10.9°C)		-0.2°F
(-0.1°C)		42nd Coolest
Coolest since:
1905, 1906
82nd Warmest
Warmest since:
2002, 2020
Ties: 1915, 1926, 1951, 1973, 1996

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