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, November 2020

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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
November 2020
1-Month 		47.1°F
(8.4°C)		 40.8°F
(4.9°C)		 6.3°F
(3.5°C)		 122nd Coolest
Coolest since:
 1976
7th Warmest
Warmest since:
 2001
Oct–Nov 2020
2-Month 		49.6°F
(9.8°C)		 47.8°F
(8.8°C)		 1.8°F
(1.0°C)		 93rd Coolest
Coolest since:
 1976
36th Warmest
Warmest since:
 1963, 2016
Ties: 1897, 1958, 2003
Sep–Nov 2020
3-Month 		54.9°F
(12.7°C)		 53.9°F
(12.2°C)		 1.0°F
(0.5°C)		 87th Coolest
Coolest since:
 1976
42nd Warmest
Warmest since:
 1931
Ties: 1961, 2011
Aug–Nov 2020
4-Month 		59.4°F
(15.2°C)		 58.8°F
(14.9°C)		 0.6°F
(0.3°C)		 85th Coolest
Coolest since:
 1976
44th Warmest
Warmest since:
 2016
Ties: 1920, 1930, 1961, 1980, 1984, 2000
Jul–Nov 2020
5-Month 		63.0°F
(17.2°C)		 62.2°F
(16.8°C)		 0.8°F
(0.4°C)		 93rd Coolest
Coolest since:
 1976
36th Warmest
Warmest since:
 1931
Jun–Nov 2020
6-Month 		64.7°F
(18.2°C)		 63.6°F
(17.6°C)		 1.1°F
(0.6°C)		 98th Coolest
Coolest since:
 1976
31st Warmest
Warmest since:
 1931
Ties: 1939, 2001, 2002, 2017
May–Nov 2020
7-Month 		64.1°F
(17.8°C)		 63.4°F
(17.4°C)		 0.7°F
(0.4°C)		 83rd Coolest
Coolest since:
 1917, 1976
46th Warmest
Warmest since:
 1934, 2016
Ties: 1901
Apr–Nov 2020
8-Month 		62.3°F
(16.8°C)		 61.9°F
(16.6°C)		 0.4°F
(0.2°C)		 70th Coolest
Coolest since:
 1907
59th Warmest
Warmest since:
 2010, 2016
Ties: 1960, 1975
Mar–Nov 2020
9-Month 		60.3°F
(15.7°C)		 59.5°F
(15.3°C)		 0.8°F
(0.4°C)		 87th Coolest
Coolest since:
 1917
42nd Warmest
Warmest since:
 2016
Ties: 1964
Feb–Nov 2020
10-Month 		57.5°F
(14.2°C)		 56.5°F
(13.6°C)		 1.0°F
(0.6°C)		 99th Coolest
Coolest since:
 1917
30th Warmest
Warmest since:
 2012, 2016
Ties: 2004, 2006
Jan–Nov 2020
11-Month 		55.2°F
(12.9°C)		 53.7°F
(12.1°C)		 1.5°F
(0.8°C)		 106th Coolest
Coolest since:
 1904, 1979
23rd Warmest
Warmest since:
 2012
Ties: 2002
Dec 2019–Nov 2020
12-Month 		53.5°F
(11.9°C)		 51.6°F
(10.9°C)		 1.9°F
(1.0°C)		 112th Coolest
Coolest since:
 1904
16th Warmest
Warmest since:
 2016
Ties: 1991, 2000, 2002
Jun 2019–Nov 2020
18-Month 		56.9°F
(13.8°C)		 55.6°F
(13.1°C)		 1.3°F
(0.7°C)		 103rd Coolest
Coolest since:
 1904
25th Warmest
Warmest since:
 2012, 2016
Ties: 1941, 1942
Dec 2018–Nov 2020
24-Month 		52.8°F
(11.6°C)		 51.7°F
(10.9°C)		 1.1°F
(0.7°C)		 100th Coolest
Coolest since:
 1979
27th Warmest
Warmest since:
 2017
Ties: 1914, 1992
Dec 2017–Nov 2020
36-Month 		52.5°F
(11.4°C)		 51.6°F
(10.9°C)		 0.9°F
(0.5°C)		 94th Coolest
Coolest since:
 1905
32nd Warmest
Warmest since:
 2017, 2018
Ties: 1991
Dec 2016–Nov 2020
48-Month 		53.0°F
(11.7°C)		 51.6°F
(10.9°C)		 1.4°F
(0.8°C)		 111th Coolest
Coolest since:
 1905
14th Warmest
Warmest since:
 2007, 2018
Ties: 2005
Dec 2015–Nov 2020
60-Month 		53.5°F
(11.9°C)		 51.5°F
(10.8°C)		 2.0°F
(1.1°C)		 123rd Coolest
Coolest since:
 1907
1st Warmest
Warmest since:
 2002, 2020
Ties: 2002

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