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 2. Northeast

Average Temperature Rankings, October 1966

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 1966 1-Month	50.7°F (10.4°C)	52.1°F (11.2°C)	-1.4°F (-0.8°C)	41st Coolest	Coolest since: 1964	1925
	50.7°F (10.4°C)	52.1°F (11.2°C)	-1.4°F (-0.8°C)	88th Warmest	Warmest since: 1965	1963
	Ties: 1990, 2018
Sep–Oct 1966 2-Month	56.4°F (13.6°C)	57.9°F (14.4°C)	-1.5°F (-0.8°C)	28th Coolest	Coolest since: 1957	1917
	56.4°F (13.6°C)	57.9°F (14.4°C)	-1.5°F (-0.8°C)	101st Warmest	Warmest since: 1965	1971, 2021
	Ties: 1916, 1928, 1942, 1980, 2020
Aug–Oct 1966 3-Month	60.6°F (15.9°C)	62.3°F (16.8°C)	-1.7°F (-0.9°C)	19th Coolest	Coolest since: 1957	1917
	60.6°F (15.9°C)	62.3°F (16.8°C)	-1.7°F (-0.9°C)	110th Warmest	Warmest since: 1965	1947
	Ties: 1951, 1987
Jul–Oct 1966 4-Month	64.4°F (18.0°C)	65.0°F (18.3°C)	-0.6°F (-0.3°C)	38th Coolest	Coolest since: 1965	1917
	64.4°F (18.0°C)	65.0°F (18.3°C)	-0.6°F (-0.3°C)	91st Warmest	Warmest since: 1963	1947
	Ties: 1979, 1987
Jun–Oct 1966 5-Month	65.4°F (18.6°C)	65.8°F (18.8°C)	-0.4°F (-0.2°C)	47th Coolest	Coolest since: 1965	1917
	65.4°F (18.6°C)	65.8°F (18.8°C)	-0.4°F (-0.2°C)	82nd Warmest	Warmest since: 1963	2021
	Ties: 1923, 1979
May–Oct 1966 6-Month	63.5°F (17.5°C)	64.6°F (18.1°C)	-1.1°F (-0.6°C)	21st Coolest	Coolest since: 1951	1917
	63.5°F (17.5°C)	64.6°F (18.1°C)	-1.1°F (-0.6°C)	108th Warmest	Warmest since: 1965	2007, 2021
	Ties: 1925, 1927, 1935, 1996
Apr–Oct 1966 7-Month	60.9°F (16.1°C)	62.2°F (16.8°C)	-1.3°F (-0.7°C)	18th Coolest	Coolest since: 1951	1917
	60.9°F (16.1°C)	62.2°F (16.8°C)	-1.3°F (-0.7°C)	111th Warmest	Warmest since: 1965	2010
	Ties: 1935, 1972, 1996
Mar–Oct 1966 8-Month	58.1°F (14.5°C)	58.9°F (14.9°C)	-0.8°F (-0.4°C)	28th Coolest	Coolest since: 1965	1917
	58.1°F (14.5°C)	58.9°F (14.9°C)	-0.8°F (-0.4°C)	101st Warmest	Warmest since: 1964	2012
	Ties: 1902, 1982
Feb–Oct 1966 9-Month	54.5°F (12.5°C)	55.1°F (12.8°C)	-0.6°F (-0.3°C)	36th Coolest	Coolest since: 1965	1917
	54.5°F (12.5°C)	55.1°F (12.8°C)	-0.6°F (-0.3°C)	93rd Warmest	Warmest since: 1964	2012
	Ties: 1913, 1947
Jan–Oct 1966 10-Month	50.6°F (10.3°C)	51.8°F (11.0°C)	-1.2°F (-0.7°C)	22nd Coolest	Coolest since: 1958	1917
	50.6°F (10.3°C)	51.8°F (11.0°C)	-1.2°F (-0.7°C)	107th Warmest	Warmest since: 1965	2012
	Ties: 1923, 1958, 2009
Dec 1965–Oct 1966 11-Month	49.1°F (9.5°C)	49.4°F (9.7°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1965	1904, 1917
	49.1°F (9.5°C)	49.4°F (9.7°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1964	2012
	Ties: 1925, 1937, 1960, 1974, 1993, 1994, 2008
Nov 1965–Oct 1966 12-Month	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	53rd Coolest	Coolest since: 1965	1904
	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	75th Warmest	Warmest since: 1964	2012
	Ties: 1903, 1957, 1974, 1980, 2001, 2008
May 1965–Oct 1966 18-Month	53.8°F (12.1°C)	53.9°F (12.2°C)	-0.1°F (-0.1°C)	51st Coolest	Coolest since: 1965	1904
	53.8°F (12.1°C)	53.9°F (12.2°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1964	2012
	Ties: 1913, 1945, 1960, 1961, 1972
Nov 1964–Oct 1966 24-Month	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	36th Coolest	Coolest since: 1963	1905
	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	91st Warmest	Warmest since: 1965	2017
	Ties: 1899, 1928, 1958, 1959, 1961, 1968, 1994
Nov 1963–Oct 1966 36-Month	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	50th Coolest	Coolest since: 1965	1904
	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	76th Warmest	Warmest since: 1957	2000
	Ties: 1938
Nov 1962–Oct 1966 48-Month	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	39th Coolest	Coolest since: 1965	1905
	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	86th Warmest	Warmest since: 1964	2007
	Ties: 1903, 1914, 1925, 1959, 1964, 1997
Nov 1961–Oct 1966 60-Month	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	26th Coolest	Coolest since: 1964	1905
	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	98th Warmest	Warmest since: 1965	2002
	Ties: 1903, 1915, 1951, 1964, 1967, 1969, 1970

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings