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 2014

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
August 2014
1-Month 		73.8°F
(23.2°C)		 73.4°F
(23.0°C)		 0.4°F
(0.2°C)		 71st Coolest
Coolest since:
 1915
58th Warmest
Warmest since:
 1947
Ties: 1932
Jul–Aug 2014
2-Month 		72.1°F
(22.3°C)		 74.5°F
(23.6°C)		 -2.4°F
(-1.3°C)		 10th Coolest
Coolest since:
 1915
119th Warmest
Warmest since:
 1936
Jun–Aug 2014
3-Month 		72.4°F
(22.4°C)		 73.5°F
(23.1°C)		 -1.1°F
(-0.7°C)		 30th Coolest
Coolest since:
 1915
99th Warmest
Warmest since:
 1936
Ties: 1960, 1961
May–Aug 2014
4-Month 		70.2°F
(21.2°C)		 70.6°F
(21.4°C)		 -0.4°F
(-0.2°C)		 48th Coolest
Coolest since:
 1915
81st Warmest
Warmest since:
 1936
Ties: 1902, 1978, 1982
Apr–Aug 2014
5-Month 		66.6°F
(19.2°C)		 66.8°F
(19.3°C)		 -0.2°F
(-0.1°C)		 53rd Coolest
Coolest since:
 1907
76th Warmest
Warmest since:
 1934
Mar–Aug 2014
6-Month 		61.3°F
(16.3°C)		 62.3°F
(16.8°C)		 -1.0°F
(-0.5°C)		 32nd Coolest
Coolest since:
 1950, 1960
97th Warmest
Warmest since:
 2012
Ties: 1923
Feb–Aug 2014
7-Month 		55.3°F
(12.9°C)		 57.6°F
(14.2°C)		 -2.3°F
(-1.3°C)		 10th Coolest
Coolest since:
 1904
119th Warmest
Warmest since:
 2012
Jan–Aug 2014
8-Month 		50.8°F
(10.4°C)		 53.6°F
(12.0°C)		 -2.8°F
(-1.6°C)		 5th Coolest
Coolest since:
 1912
124th Warmest
Warmest since:
 2012
Ties: 1924
Dec 2013–Aug 2014
9-Month 		48.1°F
(8.9°C)		 50.9°F
(10.5°C)		 -2.8°F
(-1.6°C)		 5th Coolest
Coolest since:
 1904
123rd Warmest
Warmest since:
 2012
Nov 2013–Aug 2014
10-Month 		47.1°F
(8.4°C)		 49.9°F
(9.9°C)		 -2.8°F
(-1.5°C)		 4th Coolest
Coolest since:
 1904
124th Warmest
Warmest since:
 2012
Ties: 1979
Oct 2013–Aug 2014
11-Month 		47.8°F
(8.8°C)		 50.3°F
(10.2°C)		 -2.5°F
(-1.4°C)		 5th Coolest
Coolest since:
 1904
123rd Warmest
Warmest since:
 2012
Sep 2013–Aug 2014
12-Month 		49.5°F
(9.7°C)		 51.6°F
(10.9°C)		 -2.1°F
(-1.2°C)		 6th Coolest
Coolest since:
 1904
122nd Warmest
Warmest since:
 2012
Mar 2013–Aug 2014
18-Month 		53.3°F
(11.8°C)		 55.2°F
(12.9°C)		 -1.9°F
(-1.1°C)		 4th Coolest
Coolest since:
 1904
124th Warmest
Warmest since:
 2012
Ties: 1905
Sep 2012–Aug 2014
24-Month 		50.6°F
(10.3°C)		 51.6°F
(10.9°C)		 -1.0°F
(-0.6°C)		 13th Coolest
Coolest since:
 1905
114th Warmest
Warmest since:
 2017
Ties: 1903, 1913
Sep 2011–Aug 2014
36-Month 		52.5°F
(11.4°C)		 51.6°F
(10.9°C)		 0.9°F
(0.5°C)		 95th Coolest
Coolest since:
 1979
31st Warmest
Warmest since:
 2018
Ties: 1921, 1943, 1957, 1991, 1993
Sep 2010–Aug 2014
48-Month 		52.5°F
(11.4°C)		 51.6°F
(10.9°C)		 0.9°F
(0.5°C)		 98th Coolest
Coolest since:
 1905
27th Warmest
Warmest since:
 2019
Ties: 1924, 1942, 1989, 1990, 1991
Sep 2009–Aug 2014
60-Month 		52.6°F
(11.4°C)		 51.6°F
(10.9°C)		 1.0°F
(0.5°C)		 100th Coolest
Coolest since:
 1906
24th Warmest
Warmest since:
 2020
Ties: 2004

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