Divisional Rankings

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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 7. East Southeast

Average Temperature Rankings, October 1917

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 1917 1-Month	47.1°F (8.4°C)	55.7°F (13.2°C)	-8.6°F (-4.8°C)	2nd Coolest	Coolest since: 1917	1925
October 1917 1-Month	47.1°F (8.4°C)	55.7°F (13.2°C)	-8.6°F (-4.8°C)	127th Warmest	Warmest since: 1916	1963
Sep–Oct 1917 2-Month	56.4°F (13.6°C)	61.6°F (16.4°C)	-5.2°F (-2.8°C)	1st Coolest	Coolest since: 1917	1917
Sep–Oct 1917 2-Month	56.4°F (13.6°C)	61.6°F (16.4°C)	-5.2°F (-2.8°C)	128th Warmest	Warmest since: 1916	1971, 2016
Aug–Oct 1917 3-Month	61.6°F (16.4°C)	65.7°F (18.7°C)	-4.1°F (-2.3°C)	2nd Coolest	Coolest since: 1917	1976
Aug–Oct 1917 3-Month	61.6°F (16.4°C)	65.7°F (18.7°C)	-4.1°F (-2.3°C)	127th Warmest	Warmest since: 1916	1947, 2007
Jul–Oct 1917 4-Month	65.0°F (18.3°C)	68.4°F (20.2°C)	-3.4°F (-1.9°C)	2nd Coolest	Coolest since: 1917	1967
Jul–Oct 1917 4-Month	65.0°F (18.3°C)	68.4°F (20.2°C)	-3.4°F (-1.9°C)	127th Warmest	Warmest since: 1916	1936
Jun–Oct 1917 5-Month	65.9°F (18.8°C)	69.2°F (20.7°C)	-3.3°F (-1.9°C)	1st Coolest	Coolest since: 1917	1917
Jun–Oct 1917 5-Month	65.9°F (18.8°C)	69.2°F (20.7°C)	-3.3°F (-1.9°C)	128th Warmest	Warmest since: 1916	1936
May–Oct 1917 6-Month	64.4°F (18.0°C)	68.2°F (20.1°C)	-3.8°F (-2.1°C)	1st Coolest	Coolest since: 1917	1917
May–Oct 1917 6-Month	64.4°F (18.0°C)	68.2°F (20.1°C)	-3.8°F (-2.1°C)	128th Warmest	Warmest since: 1916	1936
Apr–Oct 1917 7-Month	62.5°F (16.9°C)	66.1°F (18.9°C)	-3.6°F (-2.0°C)	2nd Coolest	Coolest since: 1907	1907
Apr–Oct 1917 7-Month	62.5°F (16.9°C)	66.1°F (18.9°C)	-3.6°F (-2.0°C)	127th Warmest	Warmest since: 1916	2010
Mar–Oct 1917 8-Month	60.0°F (15.6°C)	63.0°F (17.2°C)	-3.0°F (-1.6°C)	1st Coolest	Coolest since: 1917	1917
Mar–Oct 1917 8-Month	60.0°F (15.6°C)	63.0°F (17.2°C)	-3.0°F (-1.6°C)	128th Warmest	Warmest since: 1916	2012
Feb–Oct 1917 9-Month	56.3°F (13.5°C)	59.4°F (15.2°C)	-3.1°F (-1.7°C)	1st Coolest	Coolest since: 1917	1917
Feb–Oct 1917 9-Month	56.3°F (13.5°C)	59.4°F (15.2°C)	-3.1°F (-1.7°C)	128th Warmest	Warmest since: 1916	2012
Jan–Oct 1917 10-Month	53.7°F (12.1°C)	56.3°F (13.5°C)	-2.6°F (-1.4°C)	5th Coolest	Coolest since: 1912	1979
Jan–Oct 1917 10-Month	53.7°F (12.1°C)	56.3°F (13.5°C)	-2.6°F (-1.4°C)	124th Warmest	Warmest since: 1916	2012
Dec 1916–Oct 1917 11-Month	51.4°F (10.8°C)	54.0°F (12.2°C)	-2.6°F (-1.4°C)	4th Coolest	Coolest since: 1904	1904
Dec 1916–Oct 1917 11-Month	51.4°F (10.8°C)	54.0°F (12.2°C)	-2.6°F (-1.4°C)	124th Warmest	Warmest since: 1916	2012
Nov 1916–Oct 1917 12-Month	50.8°F (10.4°C)	53.0°F (11.7°C)	-2.2°F (-1.3°C)	5th Coolest	Coolest since: 1912	1904
	50.8°F (10.4°C)	53.0°F (11.7°C)	-2.2°F (-1.3°C)	123rd Warmest	Warmest since: 1916	2012
	Ties: 2014
May 1916–Oct 1917 18-Month	56.7°F (13.7°C)	58.2°F (14.6°C)	-1.5°F (-0.9°C)	11th Coolest	Coolest since: 1905	1904
May 1916–Oct 1917 18-Month	56.7°F (13.7°C)	58.2°F (14.6°C)	-1.5°F (-0.9°C)	117th Warmest	Warmest since: 1916	2012
Nov 1915–Oct 1917 24-Month	51.9°F (11.1°C)	53.1°F (11.7°C)	-1.2°F (-0.6°C)	9th Coolest	Coolest since: 1905	1979
Nov 1915–Oct 1917 24-Month	51.9°F (11.1°C)	53.1°F (11.7°C)	-1.2°F (-0.6°C)	118th Warmest	Warmest since: 1916	2017
Nov 1914–Oct 1917 36-Month	51.9°F (11.1°C)	53.1°F (11.7°C)	-1.2°F (-0.6°C)	8th Coolest	Coolest since: 1906	1979
Nov 1914–Oct 1917 36-Month	51.9°F (11.1°C)	53.1°F (11.7°C)	-1.2°F (-0.6°C)	118th Warmest	Warmest since: 1916	2018
Nov 1913–Oct 1917 48-Month	52.6°F (11.4°C)	53.1°F (11.7°C)	-0.5°F (-0.3°C)	25th Coolest	Coolest since: 1913	1905, 1980
	52.6°F (11.4°C)	53.1°F (11.7°C)	-0.5°F (-0.3°C)	100th Warmest	Warmest since: 1916	2019
	Ties: 1913, 1927, 1960, 1962, 1966, 1972
Nov 1912–Oct 1917 60-Month	52.8°F (11.6°C)	53.0°F (11.7°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1916	1982
	52.8°F (11.6°C)	53.0°F (11.7°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1916	2020
	Ties: 1911, 1916, 1973, 1985

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings