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 2005

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
July 2005
1-Month		78.2°F
(25.7°C)		77.9°F
(25.5°C)		0.3°F
(0.2°C)		77th Coolest
Coolest since:
2014
52nd Warmest
Warmest since:
2012
Ties: 1939
Jun–Jul 2005
2-Month		77.2°F
(25.1°C)		75.9°F
(24.4°C)		1.3°F
(0.7°C)		96th Coolest
Coolest since:
1904, 1927
33rd Warmest
Warmest since:
1934
May–Jul 2005
3-Month		72.8°F
(22.7°C)		72.3°F
(22.4°C)		0.5°F
(0.3°C)		80th Coolest
Coolest since:
1924
49th Warmest
Warmest since:
1934
Apr–Jul 2005
4-Month		69.1°F
(20.6°C)		68.1°F
(20.1°C)		1.0°F
(0.5°C)		92nd Coolest
Coolest since:
1907
37th Warmest
Warmest since:
2012
Ties: 1962, 2019
Mar–Jul 2005
5-Month		64.0°F
(17.8°C)		63.4°F
(17.4°C)		0.6°F
(0.4°C)		80th Coolest
Coolest since:
1960
49th Warmest
Warmest since:
2012
Ties: 1981
Feb–Jul 2005
6-Month		60.2°F
(15.7°C)		58.6°F
(14.8°C)		1.6°F
(0.9°C)		105th Coolest
Coolest since:
1947
24th Warmest
Warmest since:
2012
Ties: 2006
Jan–Jul 2005
7-Month		56.8°F
(13.8°C)		54.7°F
(12.6°C)		2.1°F
(1.2°C)		109th Coolest
Coolest since:
1912
20th Warmest
Warmest since:
2012
Ties: 2000
Dec 2004–Jul 2005
8-Month		54.0°F
(12.2°C)		52.2°F
(11.2°C)		1.8°F
(1.0°C)		107th Coolest
Coolest since:
1978
21st Warmest
Warmest since:
2012
Ties: 1919, 1933, 1992
Nov 2004–Jul 2005
9-Month		53.5°F
(11.9°C)		51.3°F
(10.7°C)		2.2°F
(1.2°C)		115th Coolest
Coolest since:
1904, 1912
13th Warmest
Warmest since:
2012
Ties: 1998
Oct 2004–Jul 2005
10-Month		54.1°F
(12.3°C)		52.0°F
(11.1°C)		2.1°F
(1.2°C)		116th Coolest
Coolest since:
1904, 1912
12th Warmest
Warmest since:
2012
Sep 2004–Jul 2005
11-Month		55.5°F
(13.1°C)		53.5°F
(11.9°C)		2.0°F
(1.2°C)		115th Coolest
Coolest since:
1904
13th Warmest
Warmest since:
2012
Ties: 2002
Aug 2004–Jul 2005
12-Month		56.8°F
(13.8°C)		55.4°F
(13.0°C)		1.4°F
(0.8°C)		109th Coolest
Coolest since:
1904
19th Warmest
Warmest since:
2012
Ties: 1998
Feb 2004–Jul 2005
18-Month		57.8°F
(14.3°C)		56.5°F
(13.6°C)		1.3°F
(0.7°C)		107th Coolest
Coolest since:
1918, 1979
21st Warmest
Warmest since:
2012
Ties: 1931, 2020
Aug 2003–Jul 2005
24-Month		56.7°F
(13.7°C)		55.4°F
(13.0°C)		1.3°F
(0.7°C)		110th Coolest
Coolest since:
1979
17th Warmest
Warmest since:
2017
Ties: 1934, 1935, 1942, 2020
Aug 2002–Jul 2005
36-Month		56.1°F
(13.4°C)		55.4°F
(13.0°C)		0.7°F
(0.4°C)		91st Coolest
Coolest since:
1979
35th Warmest
Warmest since:
2018
Ties: 1974, 1991, 1993
Aug 2001–Jul 2005
48-Month		56.4°F
(13.6°C)		55.3°F
(12.9°C)		1.1°F
(0.7°C)		104th Coolest
Coolest since:
1980
21st Warmest
Warmest since:
2019
Ties: 2014, 2021
Aug 2000–Jul 2005
60-Month		56.1°F
(13.4°C)		55.3°F
(12.9°C)		0.8°F
(0.5°C)		93rd Coolest
Coolest since:
1906
31st Warmest
Warmest since:
2020
Ties: 1925, 1938, 1955, 1991, 1992

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