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, September 2005

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 2005
1-Month 		71.6°F
(22.0°C)		 67.4°F
(19.7°C)		 4.2°F
(2.3°C)		 119th Coolest
Coolest since:
 1918
10th Warmest
Warmest since:
 1925
Ties: 1936
Aug–Sep 2005
2-Month 		74.3°F
(23.5°C)		 70.8°F
(21.6°C)		 3.5°F
(1.9°C)		 124th Coolest
Coolest since:
 1967
5th Warmest
Warmest since:
 1936
Jul–Sep 2005
3-Month 		75.2°F
(24.0°C)		 72.7°F
(22.6°C)		 2.5°F
(1.4°C)		 119th Coolest
Coolest since:
 1967
10th Warmest
Warmest since:
 1936
Ties: 1913, 1930
Jun–Sep 2005
4-Month 		75.1°F
(23.9°C)		 72.6°F
(22.6°C)		 2.5°F
(1.3°C)		 120th Coolest
Coolest since:
 1967
9th Warmest
Warmest since:
 1936
Ties: 1914, 1934
May–Sep 2005
5-Month 		72.5°F
(22.5°C)		 70.7°F
(21.5°C)		 1.8°F
(1.0°C)		 108th Coolest
Coolest since:
 1924
21st Warmest
Warmest since:
 1936
Ties: 1980, 2002
Apr–Sep 2005
6-Month 		69.8°F
(21.0°C)		 67.8°F
(19.9°C)		 2.0°F
(1.1°C)		 117th Coolest
Coolest since:
 1907
12th Warmest
Warmest since:
 2010
Ties: 1914, 1987, 2007
Mar–Sep 2005
7-Month 		65.5°F
(18.6°C)		 64.0°F
(17.8°C)		 1.5°F
(0.8°C)		 110th Coolest
Coolest since:
 1924
19th Warmest
Warmest since:
 2012
Ties: 1959, 2011, 2021
Feb–Sep 2005
8-Month 		62.0°F
(16.7°C)		 59.9°F
(15.5°C)		 2.1°F
(1.2°C)		 116th Coolest
Coolest since:
 1904, 1924
13th Warmest
Warmest since:
 2012
Ties: 1977
Jan–Sep 2005
9-Month 		58.7°F
(14.8°C)		 56.4°F
(13.6°C)		 2.3°F
(1.2°C)		 120th Coolest
Coolest since:
 1979
9th Warmest
Warmest since:
 2012
Ties: 1938, 1953, 1987, 2002
Dec 2004–Sep 2005
10-Month 		56.0°F
(13.3°C)		 53.8°F
(12.1°C)		 2.2°F
(1.2°C)		 114th Coolest
Coolest since:
 1904
14th Warmest
Warmest since:
 2012
Nov 2004–Sep 2005
11-Month 		55.3°F
(12.9°C)		 52.9°F
(11.6°C)		 2.4°F
(1.3°C)		 118th Coolest
Coolest since:
 1904
10th Warmest
Warmest since:
 2012
Ties: 2007
Oct 2004–Sep 2005
12-Month 		55.4°F
(13.0°C)		 53.1°F
(11.7°C)		 2.3°F
(1.3°C)		 119th Coolest
Coolest since:
 1904
9th Warmest
Warmest since:
 2012
Ties: 1998
Apr 2004–Sep 2005
18-Month 		59.5°F
(15.3°C)		 58.0°F
(14.4°C)		 1.5°F
(0.9°C)		 112th Coolest
Coolest since:
 1918
16th Warmest
Warmest since:
 2012
Ties: 1934, 1942
Oct 2003–Sep 2005
24-Month 		54.8°F
(12.7°C)		 53.1°F
(11.7°C)		 1.7°F
(1.0°C)		 113th Coolest
Coolest since:
 1979
14th Warmest
Warmest since:
 2017
Oct 2002–Sep 2005
36-Month 		53.9°F
(12.2°C)		 53.0°F
(11.7°C)		 0.9°F
(0.5°C)		 93rd Coolest
Coolest since:
 1979
33rd Warmest
Warmest since:
 2018
Ties: 2014
Oct 2001–Sep 2005
48-Month 		54.4°F
(12.4°C)		 53.0°F
(11.7°C)		 1.4°F
(0.7°C)		 111th Coolest
Coolest since:
 1980
14th Warmest
Warmest since:
 2019
Ties: 1956, 2000
Oct 2000–Sep 2005
60-Month 		54.1°F
(12.3°C)		 53.1°F
(11.7°C)		 1.0°F
(0.6°C)		 105th Coolest
Coolest since:
 1982
19th Warmest
Warmest since:
 2020
Ties: 1933, 1991, 2001

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