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 5. East

Average Temperature Rankings, August 2019

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 2019 1-Month	71.6°F (22.0°C)	72.1°F (22.3°C)	-0.5°F (-0.3°C)	48th Coolest	Coolest since: 2017	1915
	71.6°F (22.0°C)	72.1°F (22.3°C)	-0.5°F (-0.3°C)	81st Warmest	Warmest since: 2018	1947
	Ties: 1911, 1933
Jul–Aug 2019 2-Month	74.0°F (23.3°C)	73.2°F (22.9°C)	0.8°F (0.4°C)	90th Coolest	Coolest since: 2018	1915
	74.0°F (23.3°C)	73.2°F (22.9°C)	0.8°F (0.4°C)	39th Warmest	Warmest since: 2016	1936
	Ties: 1953, 2007, 2021
Jun–Aug 2019 3-Month	72.8°F (22.7°C)	72.3°F (22.4°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 2017	1915
	72.8°F (22.7°C)	72.3°F (22.4°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 2018	1936
	Ties: 1898, 1899, 1938, 1957
May–Aug 2019 4-Month	70.0°F (21.1°C)	69.5°F (20.8°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 2017	1915
	70.0°F (21.1°C)	69.5°F (20.8°C)	0.5°F (0.3°C)	54th Warmest	Warmest since: 2018	1934
	Ties: 1895, 1956, 1970, 2006
Apr–Aug 2019 5-Month	66.2°F (19.0°C)	65.5°F (18.6°C)	0.7°F (0.4°C)	77th Coolest	Coolest since: 2014	1907
	66.2°F (19.0°C)	65.5°F (18.6°C)	0.7°F (0.4°C)	52nd Warmest	Warmest since: 2018	1991
	Ties: 1962
Mar–Aug 2019 6-Month	61.1°F (16.2°C)	61.0°F (16.1°C)	0.1°F (0.1°C)	54th Coolest	Coolest since: 2014	1904, 1907
	61.1°F (16.2°C)	61.0°F (16.1°C)	0.1°F (0.1°C)	75th Warmest	Warmest since: 2018	2012
	Ties: 1908, 1910, 1929, 1931, 1945, 1970, 1990
Feb–Aug 2019 7-Month	56.4°F (13.6°C)	56.2°F (13.4°C)	0.2°F (0.2°C)	66th Coolest	Coolest since: 2015	1904
	56.4°F (13.6°C)	56.2°F (13.4°C)	0.2°F (0.2°C)	63rd Warmest	Warmest since: 2018	2012
	Ties: 1939, 1943
Jan–Aug 2019 8-Month	52.3°F (11.3°C)	52.2°F (11.2°C)	0.1°F (0.1°C)	62nd Coolest	Coolest since: 2015	1904, 1912
	52.3°F (11.3°C)	52.2°F (11.2°C)	0.1°F (0.1°C)	67th Warmest	Warmest since: 2018	2012
	Ties: 1908, 1975, 1989, 1993
Dec 2018–Aug 2019 9-Month	50.2°F (10.1°C)	49.5°F (9.7°C)	0.7°F (0.4°C)	79th Coolest	Coolest since: 2015	1904
	50.2°F (10.1°C)	49.5°F (9.7°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 2018	2012
	Ties: 1946, 1957
Nov 2018–Aug 2019 10-Month	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	61st Coolest	Coolest since: 2015	1904
	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	67th Warmest	Warmest since: 2018	2012
	Ties: 1972, 1980
Oct 2018–Aug 2019 11-Month	49.1°F (9.5°C)	49.0°F (9.4°C)	0.1°F (0.1°C)	61st Coolest	Coolest since: 2015	1904
	49.1°F (9.5°C)	49.0°F (9.4°C)	0.1°F (0.1°C)	67th Warmest	Warmest since: 2018	2012
	Ties: 1947, 1966, 1981
Sep 2018–Aug 2019 12-Month	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	77th Coolest	Coolest since: 2015	1904
	50.8°F (10.4°C)	50.3°F (10.2°C)	0.5°F (0.2°C)	51st Warmest	Warmest since: 2018	2012
	Ties: 2013
Mar 2018–Aug 2019 18-Month	54.6°F (12.6°C)	53.9°F (12.2°C)	0.7°F (0.4°C)	85th Coolest	Coolest since: 2015	1904
	54.6°F (12.6°C)	53.9°F (12.2°C)	0.7°F (0.4°C)	43rd Warmest	Warmest since: 2018	2012
	Ties: 1956, 1957, 2004
Sep 2017–Aug 2019 24-Month	51.2°F (10.7°C)	50.3°F (10.2°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 2015	1905
	51.2°F (10.7°C)	50.3°F (10.2°C)	0.9°F (0.5°C)	33rd Warmest	Warmest since: 2018	2017
	Ties: 1914, 1956
Sep 2016–Aug 2019 36-Month	52.2°F (11.2°C)	50.3°F (10.2°C)	1.9°F (1.0°C)	118th Coolest	Coolest since: 2016	1904
	52.2°F (11.2°C)	50.3°F (10.2°C)	1.9°F (1.0°C)	8th Warmest	Warmest since: 2018	2018
	Ties: 1933, 1955, 2013
Sep 2015–Aug 2019 48-Month	52.7°F (11.5°C)	50.3°F (10.2°C)	2.4°F (1.3°C)	124th Coolest	Coolest since: 2018	1905
Sep 2015–Aug 2019 48-Month	52.7°F (11.5°C)	50.3°F (10.2°C)	2.4°F (1.3°C)	1st Warmest	Warmest to Date	2019
Sep 2014–Aug 2019 60-Month	52.0°F (11.1°C)	50.2°F (10.1°C)	1.8°F (1.0°C)	120th Coolest	Coolest since: 2018	1906
	52.0°F (11.1°C)	50.2°F (10.1°C)	1.8°F (1.0°C)	4th Warmest	Warmest since: 2006	2020
	Ties: 2006

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings