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 1939

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 1939 1-Month	53.1°F (11.7°C)	52.1°F (11.2°C)	1.0°F (0.5°C)	81st Coolest	Coolest since: 1937	1925
	53.1°F (11.7°C)	52.1°F (11.2°C)	1.0°F (0.5°C)	48th Warmest	Warmest since: 1938	1963
	Ties: 2004
Sep–Oct 1939 2-Month	60.7°F (15.9°C)	57.9°F (14.4°C)	2.8°F (1.5°C)	112th Coolest	Coolest since: 1938	1917
	60.7°F (15.9°C)	57.9°F (14.4°C)	2.8°F (1.5°C)	17th Warmest	Warmest since: 1931	1971, 2021
	Ties: 1922
Aug–Oct 1939 3-Month	64.1°F (17.8°C)	62.3°F (16.8°C)	1.8°F (1.0°C)	108th Coolest	Coolest since: 1937	1917
	64.1°F (17.8°C)	62.3°F (16.8°C)	1.8°F (1.0°C)	21st Warmest	Warmest since: 1938	1947
	Ties: 2000
Jul–Oct 1939 4-Month	66.4°F (19.1°C)	65.0°F (18.3°C)	1.4°F (0.8°C)	104th Coolest	Coolest since: 1937	1917
	66.4°F (19.1°C)	65.0°F (18.3°C)	1.4°F (0.8°C)	25th Warmest	Warmest since: 1938	1947
	Ties: 1914, 1916, 1920, 1941
Jun–Oct 1939 5-Month	67.3°F (19.6°C)	65.8°F (18.8°C)	1.5°F (0.8°C)	102nd Coolest	Coolest since: 1938	1917
Jun–Oct 1939 5-Month	67.3°F (19.6°C)	65.8°F (18.8°C)	1.5°F (0.8°C)	27th Warmest	Warmest since: 1936	2021
May–Oct 1939 6-Month	66.5°F (19.2°C)	64.6°F (18.1°C)	1.9°F (1.1°C)	114th Coolest	Coolest since: 1938	1917
	66.5°F (19.2°C)	64.6°F (18.1°C)	1.9°F (1.1°C)	15th Warmest	Warmest since: 1936	2007
	Ties: 1955, 1988
Apr–Oct 1939 7-Month	63.4°F (17.4°C)	62.3°F (16.8°C)	1.1°F (0.6°C)	101st Coolest	Coolest since: 1938	1917
	63.4°F (17.4°C)	62.3°F (16.8°C)	1.1°F (0.6°C)	28th Warmest	Warmest since: 1936	2010
	Ties: 1901, 1914, 1970, 1986, 2001, 2015
Mar–Oct 1939 8-Month	60.1°F (15.6°C)	59.0°F (15.0°C)	1.1°F (0.6°C)	101st Coolest	Coolest since: 1937	1917
	60.1°F (15.6°C)	59.0°F (15.0°C)	1.1°F (0.6°C)	28th Warmest	Warmest since: 1938	2012
	Ties: 1910, 1931, 1959, 1995
Feb–Oct 1939 9-Month	56.0°F (13.3°C)	55.1°F (12.8°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1937	1917
	56.0°F (13.3°C)	55.1°F (12.8°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1938	2012
	Ties: 1941, 1959, 2001, 2011, 2022
Jan–Oct 1939 10-Month	53.3°F (11.8°C)	51.8°F (11.0°C)	1.5°F (0.8°C)	101st Coolest	Coolest since: 1937	1917
	53.3°F (11.8°C)	51.8°F (11.0°C)	1.5°F (0.8°C)	28th Warmest	Warmest since: 1938	2012
	Ties: 1954
Dec 1938–Oct 1939 11-Month	50.9°F (10.5°C)	49.5°F (9.7°C)	1.4°F (0.8°C)	100th Coolest	Coolest since: 1937	1904, 1917
	50.9°F (10.5°C)	49.5°F (9.7°C)	1.4°F (0.8°C)	28th Warmest	Warmest since: 1938	2012
	Ties: 1922, 1933
Nov 1938–Oct 1939 12-Month	50.0°F (10.0°C)	48.4°F (9.1°C)	1.6°F (0.9°C)	103rd Coolest	Coolest since: 1938	1904
	50.0°F (10.0°C)	48.4°F (9.1°C)	1.6°F (0.9°C)	25th Warmest	Warmest since: 1932	2012
	Ties: 1914
May 1938–Oct 1939 18-Month	55.1°F (12.8°C)	53.8°F (12.1°C)	1.3°F (0.7°C)	102nd Coolest	Coolest since: 1938	1904
	55.1°F (12.8°C)	53.8°F (12.1°C)	1.3°F (0.7°C)	26th Warmest	Warmest since: 1934	2012
	Ties: 1942, 1995, 2010, 2013
Nov 1937–Oct 1939 24-Month	49.8°F (9.9°C)	48.4°F (9.1°C)	1.4°F (0.8°C)	103rd Coolest	Coolest since: 1938	1905
	49.8°F (9.9°C)	48.4°F (9.1°C)	1.4°F (0.8°C)	24th Warmest	Warmest since: 1933	2017
	Ties: 2001
Nov 1936–Oct 1939 36-Month	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	90th Coolest	Coolest since: 1938	1904
	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	36th Warmest	Warmest since: 1935	2000
	Ties: 1935, 1990
Nov 1935–Oct 1939 48-Month	48.7°F (9.3°C)	48.4°F (9.1°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1938	1905
	48.7°F (9.3°C)	48.4°F (9.1°C)	0.3°F (0.2°C)	53rd Warmest	Warmest since: 1936	2007
	Ties: 1900, 1936, 1947, 1954, 1958, 1983, 1985
Nov 1934–Oct 1939 60-Month	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1938	1905
	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 1938	2002
	Ties: 1901, 1937, 1938, 1945, 1946, 1949, 1950, 1959

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings