Statewide Rankings

Statewide 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

Average Temperature Rankings, June 2017

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
June 2017
1-Month		72.7°F
(22.6°C)		71.4°F
(21.9°C)		1.3°F
(0.7°C)		85th Coolest
Coolest since:
1903
44th Warmest
Warmest since:
1934
Ties: 1939, 1968, 2007, 2009
May–Jun 2017
2-Month		67.3°F
(19.6°C)		66.8°F
(19.3°C)		0.5°F
(0.3°C)		75th Coolest
Coolest since:
1907
54th Warmest
Warmest since:
2018
Ties: 1905, 2001
Apr–Jun 2017
3-Month		63.7°F
(17.6°C)		61.7°F
(16.5°C)		2.0°F
(1.1°C)		110th Coolest
Coolest since:
1907
19th Warmest
Warmest since:
1991
Ties: 1914, 1959, 1965
Mar–Jun 2017
4-Month		58.6°F
(14.8°C)		56.2°F
(13.4°C)		2.4°F
(1.4°C)		116th Coolest
Coolest since:
1960
13th Warmest
Warmest since:
2012
Feb–Jun 2017
5-Month		55.1°F
(12.8°C)		50.8°F
(10.4°C)		4.3°F
(2.4°C)		124th Coolest
Coolest since:
1947
5th Warmest
Warmest since:
2012
Jan–Jun 2017
6-Month		51.3°F
(10.7°C)		46.6°F
(8.1°C)		4.7°F
(2.6°C)		126th Coolest
Coolest since:
1912
3rd Warmest
Warmest since:
2012
Dec 2016–Jun 2017
7-Month		48.1°F
(8.9°C)		44.1°F
(6.7°C)		4.0°F
(2.2°C)		124th Coolest
Coolest since:
1904, 1978
4th Warmest
Warmest since:
2012
Nov 2016–Jun 2017
8-Month		48.1°F
(8.9°C)		43.7°F
(6.5°C)		4.4°F
(2.4°C)		125th Coolest
Coolest since:
1904
3rd Warmest
Warmest since:
2012
Oct 2016–Jun 2017
9-Month		49.4°F
(9.7°C)		44.9°F
(7.2°C)		4.5°F
(2.5°C)		126th Coolest
Coolest since:
1904
2nd Warmest
Warmest since:
2012
Sep 2016–Jun 2017
10-Month		51.5°F
(10.8°C)		47.1°F
(8.4°C)		4.4°F
(2.4°C)		126th Coolest
Coolest since:
1904
2nd Warmest
Warmest since:
2012
Aug 2016–Jun 2017
11-Month		53.7°F
(12.1°C)		49.5°F
(9.7°C)		4.2°F
(2.4°C)		126th Coolest
Coolest since:
1904
2nd Warmest
Warmest since:
2012
Jul 2016–Jun 2017
12-Month		55.5°F
(13.1°C)		51.6°F
(10.9°C)		3.9°F
(2.2°C)		126th Coolest
Coolest since:
1904
2nd Warmest
Warmest since:
2012
Jan 2016–Jun 2017
18-Month		53.6°F
(12.0°C)		49.9°F
(9.9°C)		3.7°F
(2.1°C)		127th Coolest
Coolest since:
1979
1st Warmest
Warmest to Date
2017
Jul 2015–Jun 2017
24-Month		55.2°F
(12.9°C)		51.6°F
(10.9°C)		3.6°F
(2.0°C)		126th Coolest
Coolest since:
1905
1st Warmest
Warmest to Date
2017
Jul 2014–Jun 2017
36-Month		53.6°F
(12.0°C)		51.6°F
(10.9°C)		2.0°F
(1.1°C)		122nd Coolest
Coolest since:
1979
4th Warmest
Warmest since:
2018
Ties: 1934
Jul 2013–Jun 2017
48-Month		52.6°F
(11.4°C)		51.6°F
(10.9°C)		1.0°F
(0.5°C)		100th Coolest
Coolest since:
1980
25th Warmest
Warmest since:
2019
Ties: 1942, 2021
Jul 2012–Jun 2017
60-Month		52.6°F
(11.4°C)		51.6°F
(10.9°C)		1.0°F
(0.5°C)		103rd Coolest
Coolest since:
1906
21st Warmest
Warmest since:
2020
Ties: 1936, 1992, 2000, 2005, 2010, 2018

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