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, April 1978

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1978 1-Month	54.3°F (12.4°C)	52.8°F (11.6°C)	1.5°F (0.8°C)	82nd Coolest	Coolest since: 1975	1907
	54.3°F (12.4°C)	52.8°F (11.6°C)	1.5°F (0.8°C)	47th Warmest	Warmest since: 1977	2010
	Ties: 2019
Mar–Apr 1978 2-Month	44.4°F (6.9°C)	47.2°F (8.4°C)	-2.8°F (-1.5°C)	16th Coolest	Coolest since: 1975	1926
	44.4°F (6.9°C)	47.2°F (8.4°C)	-2.8°F (-1.5°C)	113th Warmest	Warmest since: 1977	2012
	Ties: 1932
Feb–Apr 1978 3-Month	35.6°F (2.0°C)	42.0°F (5.6°C)	-6.4°F (-3.6°C)	1st Coolest	Coolest since: 1978	1978
Feb–Apr 1978 3-Month	35.6°F (2.0°C)	42.0°F (5.6°C)	-6.4°F (-3.6°C)	128th Warmest	Warmest since: 1977	2012
Jan–Apr 1978 4-Month	31.0°F (-0.6°C)	38.4°F (3.6°C)	-7.4°F (-4.2°C)	1st Coolest	Coolest since: 1978	1978
Jan–Apr 1978 4-Month	31.0°F (-0.6°C)	38.4°F (3.6°C)	-7.4°F (-4.2°C)	128th Warmest	Warmest since: 1977	2012
Dec 1977–Apr 1978 5-Month	30.4°F (-0.9°C)	37.0°F (2.8°C)	-6.6°F (-3.7°C)	1st Coolest	Coolest since: 1978	1978
Dec 1977–Apr 1978 5-Month	30.4°F (-0.9°C)	37.0°F (2.8°C)	-6.6°F (-3.7°C)	127th Warmest	Warmest since: 1977	2012
Nov 1977–Apr 1978 6-Month	32.6°F (0.3°C)	37.9°F (3.3°C)	-5.3°F (-3.0°C)	1st Coolest	Coolest since: 1978	1978
Nov 1977–Apr 1978 6-Month	32.6°F (0.3°C)	37.9°F (3.3°C)	-5.3°F (-3.0°C)	127th Warmest	Warmest since: 1977	2012
Oct 1977–Apr 1978 7-Month	35.5°F (1.9°C)	40.5°F (4.7°C)	-5.0°F (-2.8°C)	1st Coolest	Coolest since: 1978	1978
Oct 1977–Apr 1978 7-Month	35.5°F (1.9°C)	40.5°F (4.7°C)	-5.0°F (-2.8°C)	127th Warmest	Warmest since: 1977	2012
Sep 1977–Apr 1978 8-Month	39.7°F (4.3°C)	43.8°F (6.6°C)	-4.1°F (-2.3°C)	2nd Coolest	Coolest since: 1918	1918
	39.7°F (4.3°C)	43.8°F (6.6°C)	-4.1°F (-2.3°C)	126th Warmest	Warmest since: 1977	2017
	Ties: 1904
Aug 1977–Apr 1978 9-Month	43.4°F (6.3°C)	47.2°F (8.4°C)	-3.8°F (-2.1°C)	2nd Coolest	Coolest since: 1918	1918
	43.4°F (6.3°C)	47.2°F (8.4°C)	-3.8°F (-2.1°C)	126th Warmest	Warmest since: 1977	2017
	Ties: 1904
Jul 1977–Apr 1978 10-Month	46.9°F (8.3°C)	50.1°F (10.1°C)	-3.2°F (-1.8°C)	4th Coolest	Coolest since: 1977	1918
Jul 1977–Apr 1978 10-Month	46.9°F (8.3°C)	50.1°F (10.1°C)	-3.2°F (-1.8°C)	124th Warmest	Warmest since: 1976	2012
Jun 1977–Apr 1978 11-Month	49.1°F (9.5°C)	52.1°F (11.2°C)	-3.0°F (-1.7°C)	4th Coolest	Coolest since: 1977	1904, 1918
Jun 1977–Apr 1978 11-Month	49.1°F (9.5°C)	52.1°F (11.2°C)	-3.0°F (-1.7°C)	124th Warmest	Warmest since: 1976	2012
May 1977–Apr 1978 12-Month	50.8°F (10.4°C)	53.1°F (11.7°C)	-2.3°F (-1.3°C)	5th Coolest	Coolest since: 1977	1918
	50.8°F (10.4°C)	53.1°F (11.7°C)	-2.3°F (-1.3°C)	123rd Warmest	Warmest since: 1976	2012
	Ties: 1899
Nov 1976–Apr 1978 18-Month	45.4°F (7.4°C)	48.0°F (8.9°C)	-2.6°F (-1.5°C)	4th Coolest	Coolest since: 1918	1905, 1979
Nov 1976–Apr 1978 18-Month	45.4°F (7.4°C)	48.0°F (8.9°C)	-2.6°F (-1.5°C)	123rd Warmest	Warmest since: 1977	2017
May 1976–Apr 1978 24-Month	50.3°F (10.2°C)	53.0°F (11.7°C)	-2.7°F (-1.5°C)	1st Coolest	Coolest since: 1978	1978
May 1976–Apr 1978 24-Month	50.3°F (10.2°C)	53.0°F (11.7°C)	-2.7°F (-1.5°C)	126th Warmest	Warmest since: 1977	2017
May 1975–Apr 1978 36-Month	51.8°F (11.0°C)	53.0°F (11.7°C)	-1.2°F (-0.7°C)	8th Coolest	Coolest since: 1970	1979
May 1975–Apr 1978 36-Month	51.8°F (11.0°C)	53.0°F (11.7°C)	-1.2°F (-0.7°C)	118th Warmest	Warmest since: 1977	2018
May 1974–Apr 1978 48-Month	51.9°F (11.1°C)	53.0°F (11.7°C)	-1.1°F (-0.6°C)	8th Coolest	Coolest since: 1971	1980
	51.9°F (11.1°C)	53.0°F (11.7°C)	-1.1°F (-0.6°C)	117th Warmest	Warmest since: 1977	2019
	Ties: 1981, 1982
May 1973–Apr 1978 60-Month	52.4°F (11.3°C)	53.0°F (11.7°C)	-0.6°F (-0.4°C)	17th Coolest	Coolest since: 1972	1981
	52.4°F (11.3°C)	53.0°F (11.7°C)	-0.6°F (-0.4°C)	107th Warmest	Warmest since: 1977	2020
	Ties: 1930, 1963

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings