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, July 1979

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1979 1-Month	74.0°F (23.3°C)	76.3°F (24.6°C)	-2.3°F (-1.3°C)	22nd Coolest	Coolest since: 1971	2014
	74.0°F (23.3°C)	76.3°F (24.6°C)	-2.3°F (-1.3°C)	107th Warmest	Warmest since: 1978	1936
	Ties: 1984, 1996
Jun–Jul 1979 2-Month	73.3°F (22.9°C)	74.4°F (23.6°C)	-1.1°F (-0.7°C)	39th Coolest	Coolest since: 1974	1927, 1945
	73.3°F (22.9°C)	74.4°F (23.6°C)	-1.1°F (-0.7°C)	90th Warmest	Warmest since: 1978	1934
	Ties: 1926, 1937
May–Jul 1979 3-Month	69.4°F (20.8°C)	70.6°F (21.4°C)	-1.2°F (-0.6°C)	25th Coolest	Coolest since: 1976	1924
	69.4°F (20.8°C)	70.6°F (21.4°C)	-1.2°F (-0.6°C)	104th Warmest	Warmest since: 1978	1934
	Ties: 1971, 1974
Apr–Jul 1979 4-Month	64.8°F (18.2°C)	66.2°F (19.0°C)	-1.4°F (-0.8°C)	19th Coolest	Coolest since: 1961	1907
Apr–Jul 1979 4-Month	64.8°F (18.2°C)	66.2°F (19.0°C)	-1.4°F (-0.8°C)	110th Warmest	Warmest since: 1978	2012
Mar–Jul 1979 5-Month	60.2°F (15.7°C)	61.2°F (16.2°C)	-1.0°F (-0.5°C)	28th Coolest	Coolest since: 1978	1960
	60.2°F (15.7°C)	61.2°F (16.2°C)	-1.0°F (-0.5°C)	101st Warmest	Warmest since: 1977	2012
	Ties: 2014
Feb–Jul 1979 6-Month	53.4°F (11.9°C)	56.3°F (13.5°C)	-2.9°F (-1.6°C)	6th Coolest	Coolest since: 1978	1947
	53.4°F (11.9°C)	56.3°F (13.5°C)	-2.9°F (-1.6°C)	123rd Warmest	Warmest since: 1977	2012
	Ties: 1912, 1924
Jan–Jul 1979 7-Month	47.9°F (8.8°C)	52.2°F (11.2°C)	-4.3°F (-2.4°C)	2nd Coolest	Coolest since: 1978	1978
Jan–Jul 1979 7-Month	47.9°F (8.8°C)	52.2°F (11.2°C)	-4.3°F (-2.4°C)	127th Warmest	Warmest since: 1977	2012
Dec 1978–Jul 1979 8-Month	46.0°F (7.8°C)	49.6°F (9.8°C)	-3.6°F (-2.0°C)	3rd Coolest	Coolest since: 1978	1978
Dec 1978–Jul 1979 8-Month	46.0°F (7.8°C)	49.6°F (9.8°C)	-3.6°F (-2.0°C)	125th Warmest	Warmest since: 1977	2012
Nov 1978–Jul 1979 9-Month	46.0°F (7.8°C)	48.8°F (9.3°C)	-2.8°F (-1.5°C)	4th Coolest	Coolest since: 1978	1904
	46.0°F (7.8°C)	48.8°F (9.3°C)	-2.8°F (-1.5°C)	124th Warmest	Warmest since: 1977	2012
	Ties: 2014
Oct 1978–Jul 1979 10-Month	46.7°F (8.2°C)	49.5°F (9.7°C)	-2.8°F (-1.5°C)	5th Coolest	Coolest since: 1978	1904
Oct 1978–Jul 1979 10-Month	46.7°F (8.2°C)	49.5°F (9.7°C)	-2.8°F (-1.5°C)	123rd Warmest	Warmest since: 1977	2012
Sep 1978–Jul 1979 11-Month	48.9°F (9.4°C)	51.2°F (10.7°C)	-2.3°F (-1.3°C)	5th Coolest	Coolest since: 1978	1904
	48.9°F (9.4°C)	51.2°F (10.7°C)	-2.3°F (-1.3°C)	123rd Warmest	Warmest since: 1977	2012
	Ties: 1899
Aug 1978–Jul 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
	50.9°F (10.5°C)	53.1°F (11.7°C)	-2.2°F (-1.2°C)	123rd Warmest	Warmest since: 1977	2012
	Ties: 1977
Feb 1978–Jul 1979 18-Month	51.5°F (10.8°C)	54.1°F (12.3°C)	-2.6°F (-1.5°C)	2nd Coolest	Coolest since: 1918	1918
Feb 1978–Jul 1979 18-Month	51.5°F (10.8°C)	54.1°F (12.3°C)	-2.6°F (-1.5°C)	126th Warmest	Warmest since: 1978	2012
Aug 1977–Jul 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: 1978	1905, 1978, 1979
	50.5°F (10.3°C)	53.1°F (11.7°C)	-2.6°F (-1.4°C)	126th Warmest	Warmest since: 1978	2017
	Ties: 1905, 1978
Aug 1976–Jul 1979 36-Month	50.6°F (10.3°C)	53.0°F (11.7°C)	-2.4°F (-1.4°C)	1st Coolest	Coolest since: 1979	1979
Aug 1976–Jul 1979 36-Month	50.6°F (10.3°C)	53.0°F (11.7°C)	-2.4°F (-1.4°C)	125th Warmest	Warmest since: 1978	2018
Aug 1975–Jul 1979 48-Month	51.5°F (10.8°C)	53.0°F (11.7°C)	-1.5°F (-0.9°C)	3rd Coolest	Coolest since: 1907	1980
	51.5°F (10.8°C)	53.0°F (11.7°C)	-1.5°F (-0.9°C)	122nd Warmest	Warmest since: 1978	2019
	Ties: 1907
Aug 1974–Jul 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: 1908	1981
	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: 1908, 1980

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings