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, August 1918

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1918 1-Month	79.0°F (26.1°C)	74.2°F (23.4°C)	4.8°F (2.7°C)	123rd Coolest	Coolest since: 1917	1915
	79.0°F (26.1°C)	74.2°F (23.4°C)	4.8°F (2.7°C)	6th Warmest	Warmest since: 1900	1947
	Ties: 1900
Jul–Aug 1918 2-Month	76.2°F (24.6°C)	75.3°F (24.1°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1917	1915
Jul–Aug 1918 2-Month	76.2°F (24.6°C)	75.3°F (24.1°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1916	1936
Jun–Aug 1918 3-Month	74.9°F (23.8°C)	74.3°F (23.5°C)	0.6°F (0.3°C)	82nd Coolest	Coolest since: 1917	1927
Jun–Aug 1918 3-Month	74.9°F (23.8°C)	74.3°F (23.5°C)	0.6°F (0.3°C)	47th Warmest	Warmest since: 1916	1936
May–Aug 1918 4-Month	73.1°F (22.8°C)	71.6°F (22.0°C)	1.5°F (0.8°C)	102nd Coolest	Coolest since: 1917	1915
	73.1°F (22.8°C)	71.6°F (22.0°C)	1.5°F (0.8°C)	27th Warmest	Warmest since: 1914	1936
	Ties: 1977
Apr–Aug 1918 5-Month	68.1°F (20.1°C)	67.8°F (19.9°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1917	1907
	68.1°F (20.1°C)	67.8°F (19.9°C)	0.3°F (0.2°C)	59th Warmest	Warmest since: 1914	2010
	Ties: 1919, 1981, 2021
Mar–Aug 1918 6-Month	64.7°F (18.2°C)	63.4°F (17.4°C)	1.3°F (0.8°C)	102nd Coolest	Coolest since: 1917	1960
	64.7°F (18.2°C)	63.4°F (17.4°C)	1.3°F (0.8°C)	27th Warmest	Warmest since: 1914	2012
	Ties: 2017, 2022
Feb–Aug 1918 7-Month	60.0°F (15.6°C)	58.9°F (14.9°C)	1.1°F (0.7°C)	93rd Coolest	Coolest since: 1917	1904
	60.0°F (15.6°C)	58.9°F (14.9°C)	1.1°F (0.7°C)	36th Warmest	Warmest since: 1911	2012
	Ties: 1988, 2001
Jan–Aug 1918 8-Month	54.0°F (12.2°C)	55.0°F (12.8°C)	-1.0°F (-0.6°C)	30th Coolest	Coolest since: 1917	1978
	54.0°F (12.2°C)	55.0°F (12.8°C)	-1.0°F (-0.6°C)	99th Warmest	Warmest since: 1916	2012
	Ties: 1928, 1968, 1985, 1994, 1997
Dec 1917–Aug 1918 9-Month	50.5°F (10.3°C)	52.4°F (11.3°C)	-1.9°F (-1.0°C)	12th Coolest	Coolest since: 1917	1904
	50.5°F (10.3°C)	52.4°F (11.3°C)	-1.9°F (-1.0°C)	116th Warmest	Warmest since: 1916	2012
	Ties: 1899, 1902
Nov 1917–Aug 1918 10-Month	49.7°F (9.8°C)	51.4°F (10.8°C)	-1.7°F (-1.0°C)	16th Coolest	Coolest since: 1917	1904
	49.7°F (9.8°C)	51.4°F (10.8°C)	-1.7°F (-1.0°C)	112th Warmest	Warmest since: 1917	2012
	Ties: 1915, 1917, 1984
Oct 1917–Aug 1918 11-Month	49.4°F (9.7°C)	51.8°F (11.0°C)	-2.4°F (-1.3°C)	5th Coolest	Coolest since: 1912	1904
Oct 1917–Aug 1918 11-Month	49.4°F (9.7°C)	51.8°F (11.0°C)	-2.4°F (-1.3°C)	123rd Warmest	Warmest since: 1917	2012
Sep 1917–Aug 1918 12-Month	50.8°F (10.4°C)	53.1°F (11.7°C)	-2.3°F (-1.3°C)	4th Coolest	Coolest since: 1912	1904
Sep 1917–Aug 1918 12-Month	50.8°F (10.4°C)	53.1°F (11.7°C)	-2.3°F (-1.3°C)	124th Warmest	Warmest since: 1917	2012
Mar 1917–Aug 1918 18-Month	54.3°F (12.4°C)	56.5°F (13.6°C)	-2.2°F (-1.2°C)	2nd Coolest	Coolest since: 1904	1904
Mar 1917–Aug 1918 18-Month	54.3°F (12.4°C)	56.5°F (13.6°C)	-2.2°F (-1.2°C)	126th Warmest	Warmest since: 1917	2012
Sep 1916–Aug 1918 24-Month	51.1°F (10.6°C)	53.1°F (11.7°C)	-2.0°F (-1.1°C)	4th Coolest	Coolest since: 1905	1979
Sep 1916–Aug 1918 24-Month	51.1°F (10.6°C)	53.1°F (11.7°C)	-2.0°F (-1.1°C)	123rd Warmest	Warmest since: 1917	2017
Sep 1915–Aug 1918 36-Month	51.9°F (11.1°C)	53.0°F (11.7°C)	-1.1°F (-0.6°C)	8th Coolest	Coolest since: 1906	1979
	51.9°F (11.1°C)	53.0°F (11.7°C)	-1.1°F (-0.6°C)	118th Warmest	Warmest since: 1917	2018
	Ties: 2015
Sep 1914–Aug 1918 48-Month	51.8°F (11.0°C)	53.0°F (11.7°C)	-1.2°F (-0.7°C)	7th Coolest	Coolest since: 1907	1980
	51.8°F (11.0°C)	53.0°F (11.7°C)	-1.2°F (-0.7°C)	118th Warmest	Warmest since: 1917	2019
	Ties: 1904
Sep 1913–Aug 1918 60-Month	52.4°F (11.3°C)	53.0°F (11.7°C)	-0.6°F (-0.4°C)	15th Coolest	Coolest since: 1908	1906, 1981, 1982
	52.4°F (11.3°C)	53.0°F (11.7°C)	-0.6°F (-0.4°C)	109th Warmest	Warmest since: 1917	2020
	Ties: 1903, 1963, 1969, 1972, 1978, 1983

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on April 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings