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, July 2013

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
July 2013
1-Month 		73.1°F
(22.8°C)		 75.6°F
(24.2°C)		 -2.5°F
(-1.4°C)		 17th Coolest
Coolest since:
 2009, 2014
112th Warmest
Warmest since:
 1936
Jun–Jul 2013
2-Month 		72.3°F
(22.4°C)		 73.5°F
(23.1°C)		 -1.2°F
(-0.7°C)		 34th Coolest
Coolest since:
 1915, 1958
95th Warmest
Warmest since:
 1934
Ties: 1905, 1908
May–Jul 2013
3-Month 		69.5°F
(20.8°C)		 69.7°F
(20.9°C)		 -0.2°F
(-0.1°C)		 56th Coolest
Coolest since:
 1924
73rd Warmest
Warmest since:
 1934
Ties: 1937, 1963, 2000, 2004
Apr–Jul 2013
4-Month 		64.7°F
(18.2°C)		 65.2°F
(18.4°C)		 -0.5°F
(-0.2°C)		 42nd Coolest
Coolest since:
 1907
87th Warmest
Warmest since:
 1934
Ties: 1898, 1908, 1923, 1937, 1968, 1971, 1995
Mar–Jul 2013
5-Month 		58.6°F
(14.8°C)		 60.1°F
(15.6°C)		 -1.5°F
(-0.8°C)		 20th Coolest
Coolest since:
 1960
109th Warmest
Warmest since:
 2012
Feb–Jul 2013
6-Month 		53.8°F
(12.1°C)		 55.0°F
(12.8°C)		 -1.2°F
(-0.7°C)		 28th Coolest
Coolest since:
 1947
101st Warmest
Warmest since:
 2012
Ties: 1937, 1940, 2015
Jan–Jul 2013
7-Month 		50.3°F
(10.2°C)		 50.7°F
(10.4°C)		 -0.4°F
(-0.2°C)		 55th Coolest
Coolest since:
 1912
74th Warmest
Warmest since:
 2012
Dec 2012–Jul 2013
8-Month 		48.6°F
(9.2°C)		 48.1°F
(8.9°C)		 0.5°F
(0.3°C)		 74th Coolest
Coolest since:
 1904
54th Warmest
Warmest since:
 2012
Nov 2012–Jul 2013
9-Month 		47.8°F
(8.8°C)		 47.2°F
(8.4°C)		 0.6°F
(0.4°C)		 78th Coolest
Coolest since:
 1904
50th Warmest
Warmest since:
 2012
Ties: 1944, 2011
Oct 2012–Jul 2013
10-Month 		48.3°F
(9.1°C)		 48.0°F
(8.9°C)		 0.3°F
(0.2°C)		 70th Coolest
Coolest since:
 1904
58th Warmest
Warmest since:
 2012
Ties: 1950, 1966
Sep 2012–Jul 2013
11-Month 		49.8°F
(9.9°C)		 49.7°F
(9.8°C)		 0.1°F
(0.1°C)		 62nd Coolest
Coolest since:
 1904
66th Warmest
Warmest since:
 2012
Ties: 1909, 1973
Aug 2012–Jul 2013
12-Month 		51.8°F
(11.0°C)		 51.6°F
(10.9°C)		 0.2°F
(0.1°C)		 66th Coolest
Coolest since:
 1904
62nd Warmest
Warmest since:
 2012
Ties: 1909, 1944, 1952, 1989
Feb 2012–Jul 2013
18-Month 		55.0°F
(12.8°C)		 52.7°F
(11.5°C)		 2.3°F
(1.3°C)		 122nd Coolest
Coolest since:
 1918
6th Warmest
Warmest since:
 2012
Ties: 1922
Aug 2011–Jul 2013
24-Month 		54.0°F
(12.2°C)		 51.6°F
(10.9°C)		 2.4°F
(1.3°C)		 124th Coolest
Coolest since:
 1905
3rd Warmest
Warmest since:
 2017
Ties: 1932, 1999, 2000, 2018
Aug 2010–Jul 2013
36-Month 		53.5°F
(11.9°C)		 51.6°F
(10.9°C)		 1.9°F
(1.0°C)		 120th Coolest
Coolest since:
 1979
6th Warmest
Warmest since:
 2018
Ties: 2006, 2007
Aug 2009–Jul 2013
48-Month 		53.3°F
(11.8°C)		 51.6°F
(10.9°C)		 1.7°F
(0.9°C)		 120th Coolest
Coolest since:
 1905, 1980
5th Warmest
Warmest since:
 2019
Ties: 2001, 2007, 2020
Aug 2008–Jul 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: 2007

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