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 2. Northeast

Average Temperature Rankings, October 2017

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
October 2017
1-Month 		56.2°F
(13.4°C)		 52.1°F
(11.2°C)		 4.1°F
(2.2°C)		 114th Coolest
Coolest since:
 1925
15th Warmest
Warmest since:
 1963
Ties: 1924
Sep–Oct 2017
2-Month 		61.6°F
(16.4°C)		 57.9°F
(14.4°C)		 3.7°F
(2.0°C)		 117th Coolest
Coolest since:
 1917
12th Warmest
Warmest since:
 1971, 2021
Aug–Oct 2017
3-Month 		64.0°F
(17.8°C)		 62.3°F
(16.8°C)		 1.7°F
(1.0°C)		 106th Coolest
Coolest since:
 1917
23rd Warmest
Warmest since:
 1947
Ties: 1899, 1906, 1941, 1956, 1995
Jul–Oct 2017
4-Month 		66.2°F
(19.0°C)		 65.0°F
(18.3°C)		 1.2°F
(0.7°C)		 98th Coolest
Coolest since:
 1917
31st Warmest
Warmest since:
 1947
Ties: 1922, 1934, 1988, 2011, 2012, 2018
Jun–Oct 2017
5-Month 		67.1°F
(19.5°C)		 65.8°F
(18.8°C)		 1.3°F
(0.7°C)		 98th Coolest
Coolest since:
 1917
31st Warmest
Warmest since:
 2021
May–Oct 2017
6-Month 		65.4°F
(18.6°C)		 64.6°F
(18.1°C)		 0.8°F
(0.5°C)		 84th Coolest
Coolest since:
 1917
45th Warmest
Warmest since:
 2007
Ties: 1977, 2002
Apr–Oct 2017
7-Month 		63.6°F
(17.6°C)		 62.2°F
(16.8°C)		 1.4°F
(0.8°C)		 108th Coolest
Coolest since:
 1917
21st Warmest
Warmest since:
 2010
Ties: 1987, 1999
Mar–Oct 2017
8-Month 		60.4°F
(15.8°C)		 58.9°F
(14.9°C)		 1.5°F
(0.9°C)		 109th Coolest
Coolest since:
 1917
20th Warmest
Warmest since:
 2012
Ties: 1936, 1946, 1986
Feb–Oct 2017
9-Month 		57.8°F
(14.3°C)		 55.1°F
(12.8°C)		 2.7°F
(1.5°C)		 121st Coolest
Coolest since:
 1917
8th Warmest
Warmest since:
 2012
Jan–Oct 2017
10-Month 		54.8°F
(12.7°C)		 51.7°F
(10.9°C)		 3.1°F
(1.8°C)		 124th Coolest
Coolest since:
 1917
5th Warmest
Warmest since:
 2012
Dec 2016–Oct 2017
11-Month 		52.1°F
(11.2°C)		 49.4°F
(9.7°C)		 2.7°F
(1.5°C)		 122nd Coolest
Coolest since:
 1904, 1917
6th Warmest
Warmest since:
 2012
Ties: 1987, 1991, 2021
Nov 2016–Oct 2017
12-Month 		51.6°F
(10.9°C)		 48.5°F
(9.2°C)		 3.1°F
(1.7°C)		 123rd Coolest
Coolest since:
 1904
5th Warmest
Warmest since:
 2012
Ties: 2002
May 2016–Oct 2017
18-Month 		56.9°F
(13.8°C)		 53.9°F
(12.2°C)		 3.0°F
(1.6°C)		 125th Coolest
Coolest since:
 1904
3rd Warmest
Warmest since:
 2012
Nov 2015–Oct 2017
24-Month 		52.1°F
(11.2°C)		 48.4°F
(9.1°C)		 3.7°F
(2.1°C)		 126th Coolest
Coolest since:
 1905
1st Warmest
Warmest to Date
 2017
Nov 2014–Oct 2017
36-Month 		50.8°F
(10.4°C)		 48.5°F
(9.2°C)		 2.3°F
(1.2°C)		 121st Coolest
Coolest since:
 1904
5th Warmest
Warmest since:
 2000
Nov 2013–Oct 2017
48-Month 		49.5°F
(9.7°C)		 48.4°F
(9.1°C)		 1.1°F
(0.6°C)		 101st Coolest
Coolest since:
 1905
24th Warmest
Warmest since:
 2007
Ties: 1935, 1989, 2004, 2010
Nov 2012–Oct 2017
60-Month 		49.4°F
(9.7°C)		 48.4°F
(9.1°C)		 1.0°F
(0.6°C)		 96th Coolest
Coolest since:
 1905
28th Warmest
Warmest since:
 2002
Ties: 1923, 1989, 1990, 2018

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