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, June 2010

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
June 2010
1-Month 		73.8°F
(23.2°C)		 70.4°F
(21.3°C)		 3.4°F
(1.9°C)		 117th Coolest
Coolest since:
 1903
12th Warmest
Warmest since:
 1933
Ties: 2018
May–Jun 2010
2-Month 		68.7°F
(20.4°C)		 65.8°F
(18.8°C)		 2.9°F
(1.6°C)		 111th Coolest
Coolest since:
 1907
18th Warmest
Warmest since:
 2018
Ties: 1953, 2022
Apr–Jun 2010
3-Month 		64.9°F
(18.3°C)		 60.4°F
(15.8°C)		 4.5°F
(2.5°C)		 127th Coolest
Coolest since:
 1907
2nd Warmest
Warmest since:
 1991
Ties: 1896
Mar–Jun 2010
4-Month 		59.4°F
(15.2°C)		 54.9°F
(12.7°C)		 4.5°F
(2.5°C)		 124th Coolest
Coolest since:
 1926, 1960
5th Warmest
Warmest since:
 2012
Feb–Jun 2010
5-Month 		52.4°F
(11.3°C)		 49.4°F
(9.7°C)		 3.0°F
(1.6°C)		 119th Coolest
Coolest since:
 1904, 1947
10th Warmest
Warmest since:
 2012
Ties: 1976
Jan–Jun 2010
6-Month 		47.0°F
(8.3°C)		 45.2°F
(7.3°C)		 1.8°F
(1.0°C)		 99th Coolest
Coolest since:
 1912
30th Warmest
Warmest since:
 2012
Ties: 1896, 1944
Dec 2009–Jun 2010
7-Month 		44.3°F
(6.8°C)		 42.7°F
(5.9°C)		 1.6°F
(0.9°C)		 97th Coolest
Coolest since:
 1904
31st Warmest
Warmest since:
 2012
Ties: 1922, 1931, 1952, 2013
Nov 2009–Jun 2010
8-Month 		44.5°F
(6.9°C)		 42.3°F
(5.7°C)		 2.2°F
(1.2°C)		 108th Coolest
Coolest since:
 1904
20th Warmest
Warmest since:
 2012
Ties: 1995
Oct 2009–Jun 2010
9-Month 		45.1°F
(7.3°C)		 43.6°F
(6.4°C)		 1.5°F
(0.9°C)		 99th Coolest
Coolest since:
 1904
29th Warmest
Warmest since:
 2012
Sep 2009–Jun 2010
10-Month 		47.1°F
(8.4°C)		 45.7°F
(7.6°C)		 1.4°F
(0.8°C)		 96th Coolest
Coolest since:
 1904
32nd Warmest
Warmest since:
 2012
Aug 2009–Jun 2010
11-Month 		49.2°F
(9.6°C)		 48.1°F
(8.9°C)		 1.1°F
(0.7°C)		 93rd Coolest
Coolest since:
 1904
35th Warmest
Warmest since:
 2012, 2017
Ties: 1914, 1974, 2018
Jul 2009–Jun 2010
12-Month 		50.8°F
(10.4°C)		 50.3°F
(10.2°C)		 0.5°F
(0.2°C)		 74th Coolest
Coolest since:
 1904
54th Warmest
Warmest since:
 2012
Ties: 1935, 1986, 2019
Jan 2009–Jun 2010
18-Month 		49.1°F
(9.5°C)		 48.6°F
(9.2°C)		 0.5°F
(0.3°C)		 80th Coolest
Coolest since:
 1905
48th Warmest
Warmest since:
 2017
Ties: 1923, 1945, 1990
Jul 2008–Jun 2010
24-Month 		50.6°F
(10.3°C)		 50.3°F
(10.2°C)		 0.3°F
(0.1°C)		 68th Coolest
Coolest since:
 1905
59th Warmest
Warmest since:
 2017
Ties: 1985, 1995, 1996
Jul 2007–Jun 2010
36-Month 		50.8°F
(10.4°C)		 50.3°F
(10.2°C)		 0.5°F
(0.2°C)		 78th Coolest
Coolest since:
 1905, 1906
48th Warmest
Warmest since:
 2018
Ties: 1940, 1944
Jul 2006–Jun 2010
48-Month 		51.1°F
(10.6°C)		 50.3°F
(10.2°C)		 0.8°F
(0.4°C)		 90th Coolest
Coolest since:
 1905
35th Warmest
Warmest since:
 2019
Ties: 1923, 1924, 1987, 1999
Jul 2005–Jun 2010
60-Month 		51.5°F
(10.8°C)		 50.3°F
(10.2°C)		 1.2°F
(0.6°C)		 104th Coolest
Coolest since:
 1906
20th Warmest
Warmest since:
 2020
Ties: 1956, 2001, 2017, 2018

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