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, May 2017

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
May 2017
1-Month 		63.6°F
(17.6°C)		 63.2°F
(17.3°C)		 0.4°F
(0.3°C)		 63rd Coolest
Coolest since:
 1924
66th Warmest
Warmest since:
 2018
Ties: 1937
Apr–May 2017
2-Month 		60.8°F
(16.0°C)		 58.0°F
(14.4°C)		 2.8°F
(1.6°C)		 112th Coolest
Coolest since:
 1907
17th Warmest
Warmest since:
 1896
Ties: 2015
Mar–May 2017
3-Month 		55.5°F
(13.1°C)		 52.5°F
(11.4°C)		 3.0°F
(1.7°C)		 117th Coolest
Coolest since:
 1960
12th Warmest
Warmest since:
 2012
Feb–May 2017
4-Month 		52.4°F
(11.3°C)		 47.3°F
(8.5°C)		 5.1°F
(2.8°C)		 127th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Ties: 1991
Jan–May 2017
5-Month 		48.8°F
(9.3°C)		 43.4°F
(6.3°C)		 5.4°F
(3.0°C)		 127th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Dec 2016–May 2017
6-Month 		45.8°F
(7.7°C)		 41.5°F
(5.3°C)		 4.3°F
(2.4°C)		 126th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Ties: 1921
Nov 2016–May 2017
7-Month 		46.1°F
(7.8°C)		 41.5°F
(5.3°C)		 4.6°F
(2.5°C)		 126th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Oct 2016–May 2017
8-Month 		48.0°F
(8.9°C)		 43.3°F
(6.3°C)		 4.7°F
(2.6°C)		 126th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Sep 2016–May 2017
9-Month 		50.6°F
(10.3°C)		 46.0°F
(7.8°C)		 4.6°F
(2.5°C)		 126th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Aug 2016–May 2017
10-Month 		53.2°F
(11.8°C)		 48.8°F
(9.3°C)		 4.4°F
(2.5°C)		 126th Coolest
Coolest since:
 1978
2nd Warmest
Warmest since:
 2012
Jul 2016–May 2017
11-Month 		55.3°F
(12.9°C)		 51.4°F
(10.8°C)		 3.9°F
(2.1°C)		 126th Coolest
Coolest since:
 1904
2nd Warmest
Warmest since:
 2012
Jun 2016–May 2017
12-Month 		57.0°F
(13.9°C)		 53.1°F
(11.7°C)		 3.9°F
(2.2°C)		 126th Coolest
Coolest since:
 1904
2nd Warmest
Warmest since:
 2012
Dec 2015–May 2017
18-Month 		53.1°F
(11.7°C)		 49.2°F
(9.6°C)		 3.9°F
(2.1°C)		 126th Coolest
Coolest since:
 1979
1st Warmest
Warmest to Date
 2017
Jun 2015–May 2017
24-Month 		56.3°F
(13.5°C)		 53.0°F
(11.7°C)		 3.3°F
(1.8°C)		 126th Coolest
Coolest since:
 1905, 1978
1st Warmest
Warmest to Date
 2017
Jun 2014–May 2017
36-Month 		54.8°F
(12.7°C)		 53.1°F
(11.7°C)		 1.7°F
(1.0°C)		 118th Coolest
Coolest since:
 1979
8th Warmest
Warmest since:
 2018
Jun 2013–May 2017
48-Month 		53.9°F
(12.2°C)		 53.1°F
(11.7°C)		 0.8°F
(0.5°C)		 98th Coolest
Coolest since:
 1980
27th Warmest
Warmest since:
 2019
Ties: 1924, 1988, 1991, 1993
Jun 2012–May 2017
60-Month 		53.9°F
(12.2°C)		 53.1°F
(11.7°C)		 0.8°F
(0.5°C)		 97th Coolest
Coolest since:
 1981
27th Warmest
Warmest since:
 2020
Ties: 2000, 2018

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