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, August 2010

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
August 2010
1-Month 		77.8°F
(25.4°C)		 74.2°F
(23.4°C)		 3.6°F
(2.0°C)		 118th Coolest
Coolest since:
 1915
11th Warmest
Warmest since:
 1947
Jul–Aug 2010
2-Month 		78.1°F
(25.6°C)		 75.3°F
(24.1°C)		 2.8°F
(1.5°C)		 117th Coolest
Coolest since:
 1915
12th Warmest
Warmest since:
 1936
Ties: 1914, 1930
Jun–Aug 2010
3-Month 		77.6°F
(25.3°C)		 74.3°F
(23.5°C)		 3.3°F
(1.8°C)		 123rd Coolest
Coolest since:
 1927
6th Warmest
Warmest since:
 1936
May–Aug 2010
4-Month 		74.7°F
(23.7°C)		 71.6°F
(22.0°C)		 3.1°F
(1.7°C)		 123rd Coolest
Coolest since:
 1915
6th Warmest
Warmest since:
 1936
Ties: 1991
Apr–Aug 2010
5-Month 		71.7°F
(22.1°C)		 67.8°F
(19.9°C)		 3.9°F
(2.2°C)		 128th Coolest
Coolest since:
 1907
1st Warmest
Warmest to Date
 2010
Mar–Aug 2010
6-Month 		67.3°F
(19.6°C)		 63.4°F
(17.4°C)		 3.9°F
(2.2°C)		 127th Coolest
Coolest since:
 1960
2nd Warmest
Warmest to Date
 2012
Feb–Aug 2010
7-Month 		61.5°F
(16.4°C)		 58.9°F
(14.9°C)		 2.6°F
(1.5°C)		 122nd Coolest
Coolest since:
 1904
7th Warmest
Warmest since:
 2012
Jan–Aug 2010
8-Month 		56.8°F
(13.8°C)		 55.0°F
(12.8°C)		 1.8°F
(1.0°C)		 111th Coolest
Coolest since:
 1978
18th Warmest
Warmest since:
 2012
Ties: 2007
Dec 2009–Aug 2010
9-Month 		53.9°F
(12.2°C)		 52.4°F
(11.3°C)		 1.5°F
(0.9°C)		 100th Coolest
Coolest since:
 1904
28th Warmest
Warmest since:
 2012
Nov 2009–Aug 2010
10-Month 		53.4°F
(11.9°C)		 51.4°F
(10.8°C)		 2.0°F
(1.1°C)		 111th Coolest
Coolest since:
 1904
17th Warmest
Warmest since:
 2012
Ties: 1949
Oct 2009–Aug 2010
11-Month 		53.2°F
(11.8°C)		 51.8°F
(11.0°C)		 1.4°F
(0.8°C)		 106th Coolest
Coolest since:
 1904
22nd Warmest
Warmest since:
 2012
Ties: 1914, 1942
Sep 2009–Aug 2010
12-Month 		54.4°F
(12.4°C)		 53.1°F
(11.7°C)		 1.3°F
(0.7°C)		 103rd Coolest
Coolest since:
 1904
25th Warmest
Warmest since:
 2012
Ties: 1914, 1939, 1983
Mar 2009–Aug 2010
18-Month 		57.5°F
(14.2°C)		 56.5°F
(13.6°C)		 1.0°F
(0.6°C)		 94th Coolest
Coolest since:
 1904
34th Warmest
Warmest since:
 2012
Ties: 1974, 2020
Sep 2008–Aug 2010
24-Month 		53.7°F
(12.1°C)		 53.1°F
(11.7°C)		 0.6°F
(0.4°C)		 87th Coolest
Coolest since:
 1979
40th Warmest
Warmest since:
 2017
Ties: 1950, 1973, 1974
Sep 2007–Aug 2010
36-Month 		53.7°F
(12.1°C)		 53.0°F
(11.7°C)		 0.7°F
(0.4°C)		 86th Coolest
Coolest since:
 1979
40th Warmest
Warmest since:
 2018
Ties: 1936, 1939, 1949, 2003, 2009
Sep 2006–Aug 2010
48-Month 		53.9°F
(12.2°C)		 53.0°F
(11.7°C)		 0.9°F
(0.5°C)		 98th Coolest
Coolest since:
 1980
27th Warmest
Warmest since:
 2019
Ties: 1923, 1924, 1932, 1944, 1989, 1991, 2014, 2017
Sep 2005–Aug 2010
60-Month 		54.2°F
(12.3°C)		 53.0°F
(11.7°C)		 1.2°F
(0.6°C)		 106th Coolest
Coolest since:
 1906, 1981, 1982
18th Warmest
Warmest since:
 2020

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