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 3. West

Average Temperature Rankings, January 1978

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
January 1978 1-Month	14.2°F (-9.9°C)	23.8°F (-4.6°C)	-9.6°F (-5.3°C)	7th Coolest	Coolest since: 1977	1977
January 1978 1-Month	14.2°F (-9.9°C)	23.8°F (-4.6°C)	-9.6°F (-5.3°C)	122nd Warmest	Warmest since: 1976	2006
Dec 1977–Jan 1978 2-Month	19.2°F (-7.1°C)	26.2°F (-3.2°C)	-7.0°F (-3.9°C)	5th Coolest	Coolest since: 1977	1918
Dec 1977–Jan 1978 2-Month	19.2°F (-7.1°C)	26.2°F (-3.2°C)	-7.0°F (-3.9°C)	123rd Warmest	Warmest since: 1976	1932
Nov 1977–Jan 1978 3-Month	26.2°F (-3.2°C)	30.8°F (-0.7°C)	-4.6°F (-2.5°C)	8th Coolest	Coolest since: 1977	1977
Nov 1977–Jan 1978 3-Month	26.2°F (-3.2°C)	30.8°F (-0.7°C)	-4.6°F (-2.5°C)	120th Warmest	Warmest since: 1976	2002
Oct 1977–Jan 1978 4-Month	32.6°F (0.3°C)	36.7°F (2.6°C)	-4.1°F (-2.3°C)	5th Coolest	Coolest since: 1977	1977
	32.6°F (0.3°C)	36.7°F (2.6°C)	-4.1°F (-2.3°C)	123rd Warmest	Warmest since: 1976	1932
	Ties: 1936
Sep 1977–Jan 1978 5-Month	39.5°F (4.2°C)	42.6°F (5.9°C)	-3.1°F (-1.7°C)	5th Coolest	Coolest since: 1977	1977
	39.5°F (4.2°C)	42.6°F (5.9°C)	-3.1°F (-1.7°C)	123rd Warmest	Warmest since: 1976	1932
	Ties: 1912, 1930
Aug 1977–Jan 1978 6-Month	44.7°F (7.1°C)	47.8°F (8.8°C)	-3.1°F (-1.7°C)	4th Coolest	Coolest since: 1977	1977
Aug 1977–Jan 1978 6-Month	44.7°F (7.1°C)	47.8°F (8.8°C)	-3.1°F (-1.7°C)	124th Warmest	Warmest since: 1976	1932
Jul 1977–Jan 1978 7-Month	49.6°F (9.8°C)	51.9°F (11.1°C)	-2.3°F (-1.3°C)	9th Coolest	Coolest since: 1977	1977
	49.6°F (9.8°C)	51.9°F (11.1°C)	-2.3°F (-1.3°C)	119th Warmest	Warmest since: 1976	1932
	Ties: 2010
Jun 1977–Jan 1978 8-Month	52.3°F (11.3°C)	54.3°F (12.4°C)	-2.0°F (-1.1°C)	10th Coolest	Coolest since: 1977	1977
	52.3°F (11.3°C)	54.3°F (12.4°C)	-2.0°F (-1.1°C)	118th Warmest	Warmest since: 1976	1932
	Ties: 1936, 1994
May 1977–Jan 1978 9-Month	54.1°F (12.3°C)	55.2°F (12.9°C)	-1.1°F (-0.6°C)	31st Coolest	Coolest since: 1977	1918, 1977
	54.1°F (12.3°C)	55.2°F (12.9°C)	-1.1°F (-0.6°C)	97th Warmest	Warmest since: 1976	1932
	Ties: 1910, 1973
Apr 1977–Jan 1978 10-Month	54.5°F (12.5°C)	54.8°F (12.7°C)	-0.3°F (-0.2°C)	49th Coolest	Coolest since: 1977	1918
	54.5°F (12.5°C)	54.8°F (12.7°C)	-0.3°F (-0.2°C)	79th Warmest	Warmest since: 1976	1932
	Ties: 1916, 1944
Mar 1977–Jan 1978 11-Month	53.6°F (12.0°C)	53.4°F (11.9°C)	0.2°F (0.1°C)	72nd Coolest	Coolest since: 1977	1918
	53.6°F (12.0°C)	53.4°F (11.9°C)	0.2°F (0.1°C)	56th Warmest	Warmest since: 1974	1932, 2013, 2017
	Ties: 1897, 1898, 1940, 1958
Feb 1977–Jan 1978 12-Month	51.5°F (10.8°C)	51.3°F (10.7°C)	0.2°F (0.1°C)	72nd Coolest	Coolest since: 1977	1918
	51.5°F (10.8°C)	51.3°F (10.7°C)	0.2°F (0.1°C)	56th Warmest	Warmest since: 1974	1932
	Ties: 1897, 1926, 2001, 2003
Aug 1976–Jan 1978 18-Month	48.0°F (8.9°C)	50.1°F (10.1°C)	-2.1°F (-1.2°C)	4th Coolest	Coolest since: 1918	1905, 1918
	48.0°F (8.9°C)	50.1°F (10.1°C)	-2.1°F (-1.2°C)	123rd Warmest	Warmest since: 1977	2017
	Ties: 2015
Feb 1976–Jan 1978 24-Month	50.3°F (10.2°C)	51.2°F (10.7°C)	-0.9°F (-0.5°C)	23rd Coolest	Coolest since: 1977	1918
	50.3°F (10.2°C)	51.2°F (10.7°C)	-0.9°F (-0.5°C)	104th Warmest	Warmest since: 1976	1932
	Ties: 1903
Feb 1975–Jan 1978 36-Month	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	23rd Coolest	Coolest since: 1977	1905
	50.5°F (10.3°C)	51.2°F (10.7°C)	-0.7°F (-0.4°C)	103rd Warmest	Warmest since: 1977	1933
	Ties: 1962, 1977, 1997
Feb 1974–Jan 1978 48-Month	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	25th Coolest	Coolest since: 1973	1905
	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	100th Warmest	Warmest since: 1977	1934
	Ties: 1903, 1961, 1968, 1972, 1996, 1998
Feb 1973–Jan 1978 60-Month	51.0°F (10.6°C)	51.2°F (10.7°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1977	1906
	51.0°F (10.6°C)	51.2°F (10.7°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1976	1935
	Ties: 1900, 1902, 1912, 1913, 1953, 1966, 1968, 1985

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings