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, October 1997

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 1997 1-Month	55.8°F (13.2°C)	55.7°F (13.2°C)	0.1°F (0.0°C)	65th Coolest	Coolest since: 1993	1925
October 1997 1-Month	55.8°F (13.2°C)	55.7°F (13.2°C)	0.1°F (0.0°C)	64th Warmest	Warmest since: 1996	1963
Sep–Oct 1997 2-Month	61.6°F (16.4°C)	61.6°F (16.4°C)	0.0°F (0.0°C)	69th Coolest	Coolest since: 1996	1917
	61.6°F (16.4°C)	61.6°F (16.4°C)	0.0°F (0.0°C)	60th Warmest	Warmest since: 1991	1971, 2016
	Ties: 1978
Aug–Oct 1997 3-Month	65.0°F (18.3°C)	65.8°F (18.8°C)	-0.8°F (-0.5°C)	37th Coolest	Coolest since: 1994	1976
	65.0°F (18.3°C)	65.8°F (18.8°C)	-0.8°F (-0.5°C)	92nd Warmest	Warmest since: 1996	1947, 2007
	Ties: 1925, 1946, 1950, 1977
Jul–Oct 1997 4-Month	67.8°F (19.9°C)	68.5°F (20.3°C)	-0.7°F (-0.4°C)	46th Coolest	Coolest since: 1996	1967
	67.8°F (19.9°C)	68.5°F (20.3°C)	-0.7°F (-0.4°C)	83rd Warmest	Warmest since: 1995	1936
	Ties: 1948, 1962, 2013, 2020
Jun–Oct 1997 5-Month	68.4°F (20.2°C)	69.2°F (20.7°C)	-0.8°F (-0.5°C)	37th Coolest	Coolest since: 1992	1917
	68.4°F (20.2°C)	69.2°F (20.7°C)	-0.8°F (-0.5°C)	92nd Warmest	Warmest since: 1996	1936
	Ties: 1937
May–Oct 1997 6-Month	66.8°F (19.3°C)	68.2°F (20.1°C)	-1.4°F (-0.8°C)	15th Coolest	Coolest since: 1992	1917
	66.8°F (19.3°C)	68.2°F (20.1°C)	-1.4°F (-0.8°C)	114th Warmest	Warmest since: 1996	1936
	Ties: 1928, 1981, 2009
Apr–Oct 1997 7-Month	64.3°F (17.9°C)	66.0°F (18.9°C)	-1.7°F (-1.0°C)	10th Coolest	Coolest since: 1976	1907
	64.3°F (17.9°C)	66.0°F (18.9°C)	-1.7°F (-1.0°C)	119th Warmest	Warmest since: 1996	2010
	Ties: 1909
Mar–Oct 1997 8-Month	61.8°F (16.6°C)	62.9°F (17.2°C)	-1.1°F (-0.6°C)	16th Coolest	Coolest since: 1996	1917
	61.8°F (16.6°C)	62.9°F (17.2°C)	-1.1°F (-0.6°C)	113th Warmest	Warmest since: 1995	2012
	Ties: 1912, 1926, 1969, 1976, 1992
Feb–Oct 1997 9-Month	59.0°F (15.0°C)	59.4°F (15.2°C)	-0.4°F (-0.2°C)	46th Coolest	Coolest since: 1996	1917
	59.0°F (15.0°C)	59.4°F (15.2°C)	-0.4°F (-0.2°C)	83rd Warmest	Warmest since: 1995	2012
	Ties: 1901, 1974
Jan–Oct 1997 10-Month	55.5°F (13.1°C)	56.3°F (13.5°C)	-0.8°F (-0.4°C)	32nd Coolest	Coolest since: 1996	1979
	55.5°F (13.1°C)	56.3°F (13.5°C)	-0.8°F (-0.4°C)	97th Warmest	Warmest since: 1995	2012
	Ties: 1980, 1993
Dec 1996–Oct 1997 11-Month	53.5°F (11.9°C)	54.0°F (12.2°C)	-0.5°F (-0.3°C)	41st Coolest	Coolest since: 1996	1904
	53.5°F (11.9°C)	54.0°F (12.2°C)	-0.5°F (-0.3°C)	87th Warmest	Warmest since: 1995	2012
	Ties: 1964, 1965, 2009
Nov 1996–Oct 1997 12-Month	52.1°F (11.2°C)	53.0°F (11.7°C)	-0.9°F (-0.5°C)	24th Coolest	Coolest since: 1996	1904
	52.1°F (11.2°C)	53.0°F (11.7°C)	-0.9°F (-0.5°C)	104th Warmest	Warmest since: 1995	2012
	Ties: 1968, 1969
May 1996–Oct 1997 18-Month	57.4°F (14.1°C)	58.1°F (14.5°C)	-0.7°F (-0.4°C)	27th Coolest	Coolest since: 1996	1904
	57.4°F (14.1°C)	58.1°F (14.5°C)	-0.7°F (-0.4°C)	101st Warmest	Warmest since: 1995	2012
	Ties: 1908, 1916, 2015
Nov 1995–Oct 1997 24-Month	51.8°F (11.0°C)	53.1°F (11.7°C)	-1.3°F (-0.7°C)	8th Coolest	Coolest since: 1980	1979
Nov 1995–Oct 1997 24-Month	51.8°F (11.0°C)	53.1°F (11.7°C)	-1.3°F (-0.7°C)	119th Warmest	Warmest since: 1996	2017
Nov 1994–Oct 1997 36-Month	52.8°F (11.6°C)	53.0°F (11.7°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1994	1979
	52.8°F (11.6°C)	53.0°F (11.7°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1996	2018
	Ties: 1927, 1966, 1994
Nov 1993–Oct 1997 48-Month	52.7°F (11.5°C)	53.0°F (11.7°C)	-0.3°F (-0.2°C)	32nd Coolest	Coolest since: 1984	1905, 1980
	52.7°F (11.5°C)	53.0°F (11.7°C)	-0.3°F (-0.2°C)	93rd Warmest	Warmest since: 1996	2019
	Ties: 1899, 1903, 1909, 1910, 1915, 1928, 1930, 1965, 1967, 1984
Nov 1992–Oct 1997 60-Month	52.7°F (11.5°C)	53.1°F (11.7°C)	-0.4°F (-0.2°C)	35th Coolest	Coolest since: 1984	1982
	52.7°F (11.5°C)	53.1°F (11.7°C)	-0.4°F (-0.2°C)	89th Warmest	Warmest since: 1996	2020
	Ties: 1910, 1913, 1960, 1984

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