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 2016

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
May 2016
1-Month		61.1°F
(16.2°C)		61.0°F
(16.1°C)		0.1°F
(0.1°C)		61st Coolest
Coolest since:
1907
68th Warmest
Warmest since:
2018
Ties: 1908, 1916
Apr–May 2016
2-Month		56.2°F
(13.4°C)		55.5°F
(13.1°C)		0.7°F
(0.3°C)		75th Coolest
Coolest since:
1907
54th Warmest
Warmest since:
1977
Ties: 1933, 1981, 1982, 2011
Mar–May 2016
3-Month		52.9°F
(11.6°C)		49.7°F
(9.8°C)		3.2°F
(1.8°C)		116th Coolest
Coolest since:
1960
13th Warmest
Warmest since:
2012
Feb–May 2016
4-Month		47.8°F
(8.8°C)		44.2°F
(6.8°C)		3.6°F
(2.0°C)		119th Coolest
Coolest since:
1978
10th Warmest
Warmest since:
2012
Ties: 1976
Jan–May 2016
5-Month		43.4°F
(6.3°C)		40.1°F
(4.5°C)		3.3°F
(1.8°C)		117th Coolest
Coolest since:
1978
12th Warmest
Warmest since:
2012
Dec 2015–May 2016
6-Month		42.9°F
(6.1°C)		38.1°F
(3.4°C)		4.8°F
(2.7°C)		125th Coolest
Coolest since:
1904, 1978
3rd Warmest
Warmest since:
2012
Nov 2015–May 2016
7-Month		43.2°F
(6.2°C)		38.3°F
(3.5°C)		4.9°F
(2.7°C)		125th Coolest
Coolest since:
1904
3rd Warmest
Warmest since:
2012
Oct 2015–May 2016
8-Month		44.7°F
(7.1°C)		40.2°F
(4.6°C)		4.5°F
(2.5°C)		125th Coolest
Coolest since:
1904
3rd Warmest
Warmest since:
2012
Sep 2015–May 2016
9-Month		47.5°F
(8.6°C)		43.0°F
(6.1°C)		4.5°F
(2.5°C)		125th Coolest
Coolest since:
1904
3rd Warmest
Warmest since:
2012
Aug 2015–May 2016
10-Month		49.8°F
(9.9°C)		45.9°F
(7.7°C)		3.9°F
(2.2°C)		125th Coolest
Coolest since:
1904
3rd Warmest
Warmest since:
2012
Ties: 1932
Jul 2015–May 2016
11-Month		51.9°F
(11.1°C)		48.5°F
(9.2°C)		3.4°F
(1.9°C)		124th Coolest
Coolest since:
1904
4th Warmest
Warmest since:
2012
Jun 2015–May 2016
12-Month		53.5°F
(11.9°C)		50.3°F
(10.2°C)		3.2°F
(1.7°C)		124th Coolest
Coolest since:
1904
4th Warmest
Warmest since:
2012
Dec 2014–May 2016
18-Month		48.3°F
(9.1°C)		46.2°F
(7.9°C)		2.1°F
(1.2°C)		114th Coolest
Coolest since:
1905
13th Warmest
Warmest since:
2017
Jun 2014–May 2016
24-Month		51.4°F
(10.8°C)		50.3°F
(10.2°C)		1.1°F
(0.6°C)		99th Coolest
Coolest since:
1905
28th Warmest
Warmest since:
2017
Jun 2013–May 2016
36-Month		50.4°F
(10.2°C)		50.3°F
(10.2°C)		0.1°F
(0.0°C)		60th Coolest
Coolest since:
1905, 1906
66th Warmest
Warmest since:
2018
Ties: 1937, 1947, 1948, 1951
Jun 2012–May 2016
48-Month		50.7°F
(10.4°C)		50.3°F
(10.2°C)		0.4°F
(0.2°C)		72nd Coolest
Coolest since:
1905
53rd Warmest
Warmest since:
2019
Ties: 1937, 1945, 1949, 1995
Jun 2011–May 2016
60-Month		51.5°F
(10.8°C)		50.3°F
(10.2°C)		1.2°F
(0.6°C)		105th Coolest
Coolest since:
1905, 1906, 1908
19th Warmest
Warmest since:
2020
Ties: 1934, 2000, 2010, 2017

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