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 8. Southwest

Average Temperature Rankings, July 2008

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
July 2008
1-Month		77.1°F
(25.1°C)		77.9°F
(25.5°C)		-0.8°F
(-0.4°C)		48th Coolest
Coolest since:
2014
81st Warmest
Warmest since:
2012
Ties: 1922, 1940, 1985, 1990
Jun–Jul 2008
2-Month		76.5°F
(24.7°C)		75.9°F
(24.4°C)		0.6°F
(0.3°C)		83rd Coolest
Coolest since:
1904, 1927
46th Warmest
Warmest since:
1934
Ties: 1964, 2021
May–Jul 2008
3-Month		71.9°F
(22.2°C)		72.3°F
(22.4°C)		-0.4°F
(-0.2°C)		52nd Coolest
Coolest since:
1924
77th Warmest
Warmest since:
1934
Apr–Jul 2008
4-Month		67.4°F
(19.7°C)		68.1°F
(20.1°C)		-0.7°F
(-0.4°C)		41st Coolest
Coolest since:
1907
88th Warmest
Warmest since:
2012
Ties: 1972, 2013
Mar–Jul 2008
5-Month		62.8°F
(17.1°C)		63.4°F
(17.4°C)		-0.6°F
(-0.3°C)		38th Coolest
Coolest since:
1960
91st Warmest
Warmest since:
2012
Ties: 1916, 1931, 1970
Feb–Jul 2008
6-Month		57.8°F
(14.3°C)		58.6°F
(14.8°C)		-0.8°F
(-0.5°C)		39th Coolest
Coolest since:
1947
90th Warmest
Warmest since:
2012
Ties: 1910, 1970, 1975, 2003
Jan–Jul 2008
7-Month		54.2°F
(12.3°C)		54.7°F
(12.6°C)		-0.5°F
(-0.3°C)		45th Coolest
Coolest since:
1912
84th Warmest
Warmest since:
2012
Ties: 1923, 1994
Dec 2007–Jul 2008
8-Month		52.0°F
(11.1°C)		52.2°F
(11.2°C)		-0.2°F
(-0.1°C)		50th Coolest
Coolest since:
1978
78th Warmest
Warmest since:
2012
Ties: 1923, 1965, 1994
Nov 2007–Jul 2008
9-Month		51.3°F
(10.7°C)		51.3°F
(10.7°C)		0.0°F
(0.0°C)		53rd Coolest
Coolest since:
1904, 1912
75th Warmest
Warmest since:
2012
Oct 2007–Jul 2008
10-Month		52.4°F
(11.3°C)		52.0°F
(11.1°C)		0.4°F
(0.2°C)		73rd Coolest
Coolest since:
1904, 1912
55th Warmest
Warmest since:
2012
Ties: 1931
Sep 2007–Jul 2008
11-Month		54.2°F
(12.3°C)		53.5°F
(11.9°C)		0.7°F
(0.4°C)		80th Coolest
Coolest since:
1904
48th Warmest
Warmest since:
2012
Ties: 2021
Aug 2007–Jul 2008
12-Month		56.6°F
(13.7°C)		55.4°F
(13.0°C)		1.2°F
(0.7°C)		105th Coolest
Coolest since:
1904
23rd Warmest
Warmest since:
2012
Ties: 1901, 1987, 2004, 2011
Feb 2007–Jul 2008
18-Month		57.6°F
(14.2°C)		56.5°F
(13.6°C)		1.1°F
(0.6°C)		102nd Coolest
Coolest since:
1918, 1979
26th Warmest
Warmest since:
2012
Ties: 1919, 1942, 1988, 2019
Aug 2006–Jul 2008
24-Month		56.5°F
(13.6°C)		55.4°F
(13.0°C)		1.1°F
(0.6°C)		103rd Coolest
Coolest since:
1979
24th Warmest
Warmest since:
2017
Ties: 1991, 2021
Aug 2005–Jul 2008
36-Month		57.0°F
(13.9°C)		55.4°F
(13.0°C)		1.6°F
(0.9°C)		115th Coolest
Coolest since:
1979
11th Warmest
Warmest since:
2018
Ties: 1955
Aug 2004–Jul 2008
48-Month		56.9°F
(13.8°C)		55.3°F
(12.9°C)		1.6°F
(0.9°C)		116th Coolest
Coolest since:
1980
9th Warmest
Warmest since:
2019
Ties: 2002
Aug 2003–Jul 2008
60-Month		56.9°F
(13.8°C)		55.3°F
(12.9°C)		1.6°F
(0.9°C)		121st Coolest
Coolest since:
1906
3rd Warmest
Warmest since:
2020
Ties: 1935, 2002, 2012, 2021

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