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 1979

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1979 1-Month	73.1°F (22.8°C)	74.2°F (23.4°C)	-1.1°F (-0.6°C)	39th Coolest	Coolest since: 1976	1915
	73.1°F (22.8°C)	74.2°F (23.4°C)	-1.1°F (-0.6°C)	90th Warmest	Warmest since: 1978	1947
	Ties: 2013
Jul–Aug 1979 2-Month	73.6°F (23.1°C)	75.3°F (24.1°C)	-1.7°F (-1.0°C)	21st Coolest	Coolest since: 1976	1915, 1967
Jul–Aug 1979 2-Month	73.6°F (23.1°C)	75.3°F (24.1°C)	-1.7°F (-1.0°C)	108th Warmest	Warmest since: 1978	1936
Jun–Aug 1979 3-Month	73.2°F (22.9°C)	74.3°F (23.5°C)	-1.1°F (-0.6°C)	34th Coolest	Coolest since: 1976	1927
	73.2°F (22.9°C)	74.3°F (23.5°C)	-1.1°F (-0.6°C)	95th Warmest	Warmest since: 1978	1936
	Ties: 1897
May–Aug 1979 4-Month	70.3°F (21.3°C)	71.5°F (21.9°C)	-1.2°F (-0.6°C)	25th Coolest	Coolest since: 1976	1915
	70.3°F (21.3°C)	71.5°F (21.9°C)	-1.2°F (-0.6°C)	104th Warmest	Warmest since: 1978	1936
	Ties: 1990
Apr–Aug 1979 5-Month	66.5°F (19.2°C)	67.8°F (19.9°C)	-1.3°F (-0.7°C)	19th Coolest	Coolest since: 1976	1907
	66.5°F (19.2°C)	67.8°F (19.9°C)	-1.3°F (-0.7°C)	110th Warmest	Warmest since: 1978	2010
	Ties: 1976
Mar–Aug 1979 6-Month	62.4°F (16.9°C)	63.5°F (17.5°C)	-1.1°F (-0.6°C)	27th Coolest	Coolest since: 1978	1960
	62.4°F (16.9°C)	63.5°F (17.5°C)	-1.1°F (-0.6°C)	102nd Warmest	Warmest since: 1977	2012
	Ties: 1909, 1969, 1982
Feb–Aug 1979 7-Month	56.2°F (13.4°C)	58.9°F (14.9°C)	-2.7°F (-1.5°C)	5th Coolest	Coolest since: 1978	1904
	56.2°F (13.4°C)	58.9°F (14.9°C)	-2.7°F (-1.5°C)	124th Warmest	Warmest since: 1977	2012
	Ties: 1912
Jan–Aug 1979 8-Month	51.1°F (10.6°C)	55.0°F (12.8°C)	-3.9°F (-2.2°C)	2nd Coolest	Coolest since: 1978	1978
Jan–Aug 1979 8-Month	51.1°F (10.6°C)	55.0°F (12.8°C)	-3.9°F (-2.2°C)	127th Warmest	Warmest since: 1977	2012
Dec 1978–Aug 1979 9-Month	49.1°F (9.5°C)	52.4°F (11.3°C)	-3.3°F (-1.8°C)	3rd Coolest	Coolest since: 1978	1904
Dec 1978–Aug 1979 9-Month	49.1°F (9.5°C)	52.4°F (11.3°C)	-3.3°F (-1.8°C)	125th Warmest	Warmest since: 1977	2012
Nov 1978–Aug 1979 10-Month	48.7°F (9.3°C)	51.3°F (10.7°C)	-2.6°F (-1.4°C)	4th Coolest	Coolest since: 1978	1904
Nov 1978–Aug 1979 10-Month	48.7°F (9.3°C)	51.3°F (10.7°C)	-2.6°F (-1.4°C)	124th Warmest	Warmest since: 1977	2012
Oct 1978–Aug 1979 11-Month	49.1°F (9.5°C)	51.7°F (10.9°C)	-2.6°F (-1.4°C)	4th Coolest	Coolest since: 1978	1904
Oct 1978–Aug 1979 11-Month	49.1°F (9.5°C)	51.7°F (10.9°C)	-2.6°F (-1.4°C)	124th Warmest	Warmest since: 1977	2012
Sep 1978–Aug 1979 12-Month	50.9°F (10.5°C)	53.1°F (11.7°C)	-2.2°F (-1.2°C)	5th Coolest	Coolest since: 1978	1904
Sep 1978–Aug 1979 12-Month	50.9°F (10.5°C)	53.1°F (11.7°C)	-2.2°F (-1.2°C)	123rd Warmest	Warmest since: 1977	2012
Mar 1978–Aug 1979 18-Month	54.6°F (12.6°C)	56.5°F (13.6°C)	-1.9°F (-1.0°C)	4th Coolest	Coolest since: 1951	1904
Mar 1978–Aug 1979 18-Month	54.6°F (12.6°C)	56.5°F (13.6°C)	-1.9°F (-1.0°C)	124th Warmest	Warmest since: 1978	2012
Sep 1977–Aug 1979 24-Month	50.5°F (10.3°C)	53.1°F (11.7°C)	-2.6°F (-1.4°C)	1st Coolest	Coolest since: 1979	1979
Sep 1977–Aug 1979 24-Month	50.5°F (10.3°C)	53.1°F (11.7°C)	-2.6°F (-1.4°C)	126th Warmest	Warmest since: 1978	2017
Sep 1976–Aug 1979 36-Month	50.7°F (10.4°C)	53.1°F (11.7°C)	-2.4°F (-1.3°C)	1st Coolest	Coolest since: 1979	1979
Sep 1976–Aug 1979 36-Month	50.7°F (10.4°C)	53.1°F (11.7°C)	-2.4°F (-1.3°C)	125th Warmest	Warmest since: 1978	2018
Sep 1975–Aug 1979 48-Month	51.5°F (10.8°C)	53.1°F (11.7°C)	-1.6°F (-0.9°C)	3rd Coolest	Coolest since: 1907	1980
	51.5°F (10.8°C)	53.1°F (11.7°C)	-1.6°F (-0.9°C)	122nd Warmest	Warmest since: 1978	2019
	Ties: 1907
Sep 1974–Aug 1979 60-Month	51.7°F (10.9°C)	53.0°F (11.7°C)	-1.3°F (-0.8°C)	4th Coolest	Coolest since: 1906	1906, 1981, 1982
	51.7°F (10.9°C)	53.0°F (11.7°C)	-1.3°F (-0.8°C)	120th Warmest	Warmest since: 1978	2020
	Ties: 1980

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings