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, September 1919

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1919 1-Month	66.3°F (19.1°C)	63.7°F (17.6°C)	2.6°F (1.5°C)	100th Coolest	Coolest since: 1918	1918
	66.3°F (19.1°C)	63.7°F (17.6°C)	2.6°F (1.5°C)	29th Warmest	Warmest since: 1908	1897
	Ties: 1954
Aug–Sep 1919 2-Month	68.7°F (20.4°C)	67.4°F (19.7°C)	1.3°F (0.7°C)	90th Coolest	Coolest since: 1918	1902
	68.7°F (20.4°C)	67.4°F (19.7°C)	1.3°F (0.7°C)	39th Warmest	Warmest since: 1908	1947
	Ties: 1898, 1961
Jul–Sep 1919 3-Month	71.2°F (21.8°C)	69.3°F (20.7°C)	1.9°F (1.1°C)	106th Coolest	Coolest since: 1918	1924
Jul–Sep 1919 3-Month	71.2°F (21.8°C)	69.3°F (20.7°C)	1.9°F (1.1°C)	23rd Warmest	Warmest since: 1916	1936
Jun–Sep 1919 4-Month	71.5°F (21.9°C)	69.2°F (20.7°C)	2.3°F (1.2°C)	117th Coolest	Coolest since: 1918	1915
	71.5°F (21.9°C)	69.2°F (20.7°C)	2.3°F (1.2°C)	12th Warmest	Warmest to Date	2005
	Ties: 1995, 2012
May–Sep 1919 5-Month	68.4°F (20.2°C)	67.1°F (19.5°C)	1.3°F (0.7°C)	95th Coolest	Coolest since: 1918	1924
	68.4°F (20.2°C)	67.1°F (19.5°C)	1.3°F (0.7°C)	34th Warmest	Warmest since: 1911	1921, 1988
	Ties: 1953
Apr–Sep 1919 6-Month	65.0°F (18.3°C)	63.9°F (17.7°C)	1.1°F (0.6°C)	91st Coolest	Coolest since: 1918	1907
	65.0°F (18.3°C)	63.9°F (17.7°C)	1.1°F (0.6°C)	38th Warmest	Warmest since: 1911	1921
	Ties: 1906, 1930, 2015
Mar–Sep 1919 7-Month	61.1°F (16.2°C)	59.9°F (15.5°C)	1.2°F (0.7°C)	100th Coolest	Coolest since: 1918	1924
	61.1°F (16.2°C)	59.9°F (15.5°C)	1.2°F (0.7°C)	29th Warmest	Warmest since: 1911	2012
	Ties: 1939, 1941, 1995, 2017, 2018, 2022
Feb–Sep 1919 8-Month	56.9°F (13.8°C)	55.5°F (13.1°C)	1.4°F (0.7°C)	101st Coolest	Coolest since: 1918	1904, 1917
	56.9°F (13.8°C)	55.5°F (13.1°C)	1.4°F (0.7°C)	28th Warmest	Warmest since: 1911	2012
	Ties: 1959, 1986
Jan–Sep 1919 9-Month	53.4°F (11.9°C)	51.7°F (10.9°C)	1.7°F (1.0°C)	104th Coolest	Coolest since: 1918	1904, 1912
	53.4°F (11.9°C)	51.7°F (10.9°C)	1.7°F (1.0°C)	25th Warmest	Warmest since: 1911	2012
	Ties: 2007
Dec 1918–Sep 1919 10-Month	51.4°F (10.8°C)	49.1°F (9.5°C)	2.3°F (1.3°C)	114th Coolest	Coolest since: 1918	1904
	51.4°F (10.8°C)	49.1°F (9.5°C)	2.3°F (1.3°C)	14th Warmest	Warmest to Date	2012
	Ties: 2000, 2021
Nov 1918–Sep 1919 11-Month	50.3°F (10.2°C)	48.1°F (8.9°C)	2.2°F (1.3°C)	110th Coolest	Coolest since: 1918	1904
	50.3°F (10.2°C)	48.1°F (8.9°C)	2.2°F (1.3°C)	18th Warmest	Warmest to Date	2012
	Ties: 1988
Oct 1918–Sep 1919 12-Month	50.7°F (10.4°C)	48.5°F (9.2°C)	2.2°F (1.2°C)	114th Coolest	Coolest since: 1918	1904
	50.7°F (10.4°C)	48.5°F (9.2°C)	2.2°F (1.2°C)	14th Warmest	Warmest to Date	2012
	Ties: 2006, 2021
Apr 1918–Sep 1919 18-Month	54.7°F (12.6°C)	53.6°F (12.0°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 1918	1904
	54.7°F (12.6°C)	53.6°F (12.0°C)	1.1°F (0.6°C)	31st Warmest	Warmest to Date	2012
	Ties: 1953, 2010, 2018
Oct 1917–Sep 1919 24-Month	48.2°F (9.0°C)	48.5°F (9.2°C)	-0.3°F (-0.2°C)	44th Coolest	Coolest since: 1918	1918
	48.2°F (9.0°C)	48.5°F (9.2°C)	-0.3°F (-0.2°C)	83rd Warmest	Warmest since: 1915	2017
	Ties: 1899, 1958, 2009
Oct 1916–Sep 1919 36-Month	47.4°F (8.6°C)	48.4°F (9.1°C)	-1.0°F (-0.5°C)	10th Coolest	Coolest since: 1918	1979
Oct 1916–Sep 1919 36-Month	47.4°F (8.6°C)	48.4°F (9.1°C)	-1.0°F (-0.5°C)	116th Warmest	Warmest since: 1916	2000
Oct 1915–Sep 1919 48-Month	47.6°F (8.7°C)	48.4°F (9.1°C)	-0.8°F (-0.4°C)	14th Coolest	Coolest since: 1918	1905, 1918
	47.6°F (8.7°C)	48.4°F (9.1°C)	-0.8°F (-0.4°C)	111th Warmest	Warmest since: 1917	2001, 2002, 2019
	Ties: 1912, 1963
Oct 1914–Sep 1919 60-Month	47.5°F (8.6°C)	48.4°F (9.1°C)	-0.9°F (-0.5°C)	9th Coolest	Coolest since: 1918	1905, 1906
	47.5°F (8.6°C)	48.4°F (9.1°C)	-0.9°F (-0.5°C)	115th Warmest	Warmest since: 1917	2002
	Ties: 1904, 1927, 1928, 1930

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