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 5. East

Average Temperature Rankings, May 2022

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
May 2022
1-Month		64.6°F
(18.1°C)		61.0°F
(16.1°C)		3.6°F
(2.0°C)		108th Coolest
Coolest since:
1907
21st Warmest
Warmest since:
2018
Ties: 1936, 1941
Apr–May 2022
2-Month		56.4°F
(13.6°C)		55.5°F
(13.1°C)		0.9°F
(0.5°C)		82nd Coolest
Coolest since:
1907
47th Warmest
Warmest since:
1977
Ties: 1948, 2003, 2019
Mar–May 2022
3-Month		51.5°F
(10.8°C)		49.7°F
(9.8°C)		1.8°F
(1.0°C)		99th Coolest
Coolest since:
1960
30th Warmest
Warmest since:
2012
Feb–May 2022
4-Month		45.1°F
(7.3°C)		44.2°F
(6.8°C)		0.9°F
(0.5°C)		84th Coolest
Coolest since:
1978
45th Warmest
Warmest since:
2012
Ties: 1903, 1952, 2020
Jan–May 2022
5-Month		40.3°F
(4.6°C)		40.1°F
(4.5°C)		0.2°F
(0.1°C)		65th Coolest
Coolest since:
1978
64th Warmest
Warmest since:
2012
Ties: 1910
Dec 2021–May 2022
6-Month		40.0°F
(4.4°C)		38.1°F
(3.4°C)		1.9°F
(1.0°C)		100th Coolest
Coolest since:
1904, 1978
28th Warmest
Warmest since:
2012
Nov 2021–May 2022
7-Month		39.9°F
(4.4°C)		38.3°F
(3.5°C)		1.6°F
(0.9°C)		99th Coolest
Coolest since:
1904
29th Warmest
Warmest since:
2012
Ties: 1939, 1985, 2013
Oct 2021–May 2022
8-Month		42.4°F
(5.8°C)		40.2°F
(4.6°C)		2.2°F
(1.2°C)		110th Coolest
Coolest since:
1904
18th Warmest
Warmest since:
2012
Ties: 1942, 1995
Sep 2021–May 2022
9-Month		45.3°F
(7.4°C)		43.0°F
(6.1°C)		2.3°F
(1.3°C)		113th Coolest
Coolest since:
1904
15th Warmest
Warmest since:
2012
Ties: 1942
Aug 2021–May 2022
10-Month		48.3°F
(9.1°C)		45.9°F
(7.7°C)		2.4°F
(1.4°C)		116th Coolest
Coolest since:
1904
12th Warmest
Warmest since:
2012
Ties: 1954
Jul 2021–May 2022
11-Month		50.6°F
(10.3°C)		48.5°F
(9.2°C)		2.1°F
(1.1°C)		115th Coolest
Coolest since:
1904
13th Warmest
Warmest since:
2012
Ties: 1987
Jun 2021–May 2022
12-Month		52.5°F
(11.4°C)		50.3°F
(10.2°C)		2.2°F
(1.2°C)		117th Coolest
Coolest since:
1904
11th Warmest
Warmest since:
2012
Ties: 1991
Dec 2020–May 2022
18-Month		48.1°F
(8.9°C)		46.2°F
(7.9°C)		1.9°F
(1.0°C)		111th Coolest
Coolest since:
1905
16th Warmest
Warmest since:
2017
Ties: 1939, 1988
Jun 2020–May 2022
24-Month		52.0°F
(11.1°C)		50.3°F
(10.2°C)		1.7°F
(0.9°C)		112th Coolest
Coolest since:
1905
15th Warmest
Warmest since:
2017
Jun 2019–May 2022
36-Month		52.0°F
(11.1°C)		50.3°F
(10.2°C)		1.7°F
(0.9°C)		113th Coolest
Coolest since:
1905, 1906
13th Warmest
Warmest since:
2018
Ties: 1992, 2001
Jun 2018–May 2022
48-Month		51.8°F
(11.0°C)		50.3°F
(10.2°C)		1.5°F
(0.8°C)		112th Coolest
Coolest since:
1905
13th Warmest
Warmest since:
2019
Ties: 1992, 2006, 2012
Jun 2017–May 2022
60-Month		51.6°F
(10.9°C)		50.3°F
(10.2°C)		1.3°F
(0.7°C)		110th Coolest
Coolest since:
1905, 1906, 1908
14th Warmest
Warmest since:
2020
Ties: 1991, 2001, 2004, 2009

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