Statewide Rankings

Statewide 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

Average Temperature Rankings, August 2013

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
August 2013
1-Month		72.8°F
(22.7°C)		73.4°F
(23.0°C)		-0.6°F
(-0.3°C)		46th Coolest
Coolest since:
1915
83rd Warmest
Warmest since:
1947
Ties: 1961, 1989, 2019, 2020
Jul–Aug 2013
2-Month		73.0°F
(22.8°C)		74.5°F
(23.6°C)		-1.5°F
(-0.8°C)		20th Coolest
Coolest since:
1915
109th Warmest
Warmest since:
1936
Ties: 1902, 1951
Jun–Aug 2013
3-Month		72.5°F
(22.5°C)		73.5°F
(23.1°C)		-1.0°F
(-0.6°C)		33rd Coolest
Coolest since:
1915
96th Warmest
Warmest since:
1936
Ties: 1908, 1996
May–Aug 2013
4-Month		70.3°F
(21.3°C)		70.6°F
(21.4°C)		-0.3°F
(-0.1°C)		52nd Coolest
Coolest since:
1915
77th Warmest
Warmest since:
1936
Ties: 1905, 1925, 1940, 1973, 2017
Apr–Aug 2013
5-Month		66.3°F
(19.1°C)		66.8°F
(19.3°C)		-0.5°F
(-0.2°C)		41st Coolest
Coolest since:
1907
88th Warmest
Warmest since:
1934
Ties: 1898, 1908, 1912, 1947, 1984
Mar–Aug 2013
6-Month		61.0°F
(16.1°C)		62.3°F
(16.8°C)		-1.3°F
(-0.7°C)		21st Coolest
Coolest since:
1950, 1960
108th Warmest
Warmest since:
2012
Ties: 1906
Feb–Aug 2013
7-Month		56.5°F
(13.6°C)		57.6°F
(14.2°C)		-1.1°F
(-0.6°C)		29th Coolest
Coolest since:
1904
100th Warmest
Warmest since:
2012
Ties: 1929
Jan–Aug 2013
8-Month		53.1°F
(11.7°C)		53.6°F
(12.0°C)		-0.5°F
(-0.3°C)		47th Coolest
Coolest since:
1912
82nd Warmest
Warmest since:
2012
Ties: 1928, 1948, 1968, 1980, 2009
Dec 2012–Aug 2013
9-Month		51.3°F
(10.7°C)		50.9°F
(10.5°C)		0.4°F
(0.2°C)		74th Coolest
Coolest since:
1904
54th Warmest
Warmest since:
2012
Ties: 2011
Nov 2012–Aug 2013
10-Month		50.3°F
(10.2°C)		49.9°F
(9.9°C)		0.4°F
(0.3°C)		76th Coolest
Coolest since:
1904
52nd Warmest
Warmest since:
2012
Ties: 1935, 1973, 1974, 1986
Oct 2012–Aug 2013
11-Month		50.5°F
(10.3°C)		50.3°F
(10.2°C)		0.2°F
(0.1°C)		68th Coolest
Coolest since:
1904
60th Warmest
Warmest since:
2012
Ties: 1909, 1959, 1981
Sep 2012–Aug 2013
12-Month		51.7°F
(10.9°C)		51.6°F
(10.9°C)		0.1°F
(0.0°C)		57th Coolest
Coolest since:
1904
71st Warmest
Warmest since:
2012
Ties: 1937, 1944
Mar 2012–Aug 2013
18-Month		57.0°F
(13.9°C)		55.2°F
(12.9°C)		1.8°F
(1.0°C)		117th Coolest
Coolest since:
1904
11th Warmest
Warmest since:
2012
Ties: 2000, 2022
Sep 2011–Aug 2013
24-Month		53.9°F
(12.2°C)		51.6°F
(10.9°C)		2.3°F
(1.3°C)		120th Coolest
Coolest since:
1905
7th Warmest
Warmest since:
2017
Ties: 1922, 1932
Sep 2010–Aug 2013
36-Month		53.4°F
(11.9°C)		51.6°F
(10.9°C)		1.8°F
(1.0°C)		118th Coolest
Coolest since:
1979
8th Warmest
Warmest since:
2018
Ties: 1933, 1955
Sep 2009–Aug 2013
48-Month		53.3°F
(11.8°C)		51.6°F
(10.9°C)		1.7°F
(0.9°C)		119th Coolest
Coolest since:
1905
6th Warmest
Warmest since:
2019
Ties: 2001, 2008, 2020
Sep 2008–Aug 2013
60-Month		52.9°F
(11.6°C)		51.6°F
(10.9°C)		1.3°F
(0.7°C)		113th Coolest
Coolest since:
1906
11th Warmest
Warmest since:
2020
Ties: 1957, 2009, 2012

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