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 1902

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1902 1-Month	59.4°F (15.2°C)	63.7°F (17.6°C)	-4.3°F (-2.4°C)	5th Coolest	Coolest since: 1902	1918
September 1902 1-Month	59.4°F (15.2°C)	63.7°F (17.6°C)	-4.3°F (-2.4°C)	124th Warmest	Warmest since: 1901	1897
Aug–Sep 1902 2-Month	63.4°F (17.4°C)	67.4°F (19.7°C)	-4.0°F (-2.3°C)	1st Coolest	Coolest since: 1902	1902
Aug–Sep 1902 2-Month	63.4°F (17.4°C)	67.4°F (19.7°C)	-4.0°F (-2.3°C)	128th Warmest	Warmest since: 1901	1947
Jul–Sep 1902 3-Month	66.5°F (19.2°C)	69.3°F (20.7°C)	-2.8°F (-1.5°C)	5th Coolest	Coolest since: 1902	1924
Jul–Sep 1902 3-Month	66.5°F (19.2°C)	69.3°F (20.7°C)	-2.8°F (-1.5°C)	124th Warmest	Warmest since: 1901	1936
Jun–Sep 1902 4-Month	66.2°F (19.0°C)	69.2°F (20.7°C)	-3.0°F (-1.7°C)	4th Coolest	Coolest since: 1902	1915
Jun–Sep 1902 4-Month	66.2°F (19.0°C)	69.2°F (20.7°C)	-3.0°F (-1.7°C)	125th Warmest	Warmest since: 1901	2005
May–Sep 1902 5-Month	65.2°F (18.4°C)	67.1°F (19.5°C)	-1.9°F (-1.1°C)	11th Coolest	Coolest since: 1902	1924
	65.2°F (18.4°C)	67.1°F (19.5°C)	-1.9°F (-1.1°C)	118th Warmest	Warmest since: 1901	1921, 1988
	Ties: 1929, 1951
Apr–Sep 1902 6-Month	62.1°F (16.7°C)	63.9°F (17.7°C)	-1.8°F (-1.0°C)	13th Coolest	Coolest since: 1902	1907
	62.1°F (16.7°C)	63.9°F (17.7°C)	-1.8°F (-1.0°C)	116th Warmest	Warmest since: 1901	1921
	Ties: 1997
Mar–Sep 1902 7-Month	58.8°F (14.9°C)	59.9°F (15.5°C)	-1.1°F (-0.6°C)	22nd Coolest	Coolest since: 1902	1924
	58.8°F (14.9°C)	59.9°F (15.5°C)	-1.1°F (-0.6°C)	107th Warmest	Warmest since: 1901	2012
	Ties: 1923, 1947
Feb–Sep 1902 8-Month	53.6°F (12.0°C)	55.5°F (13.1°C)	-1.9°F (-1.1°C)	11th Coolest	Coolest since: 1902	1904, 1917
	53.6°F (12.0°C)	55.5°F (13.1°C)	-1.9°F (-1.1°C)	118th Warmest	Warmest since: 1901	2012
	Ties: 1958
Jan–Sep 1902 9-Month	50.2°F (10.1°C)	51.8°F (11.0°C)	-1.6°F (-0.9°C)	19th Coolest	Coolest since: 1902	1904, 1912
	50.2°F (10.1°C)	51.8°F (11.0°C)	-1.6°F (-0.9°C)	110th Warmest	Warmest since: 1901	2012
	Ties: 1915, 1926, 1972
Dec 1901–Sep 1902 10-Month	47.4°F (8.6°C)	49.2°F (9.6°C)	-1.8°F (-1.0°C)	15th Coolest	Coolest since: 1902	1904
	47.4°F (8.6°C)	49.2°F (9.6°C)	-1.8°F (-1.0°C)	113th Warmest	Warmest since: 1901	2012
	Ties: 1905
Nov 1901–Sep 1902 11-Month	46.2°F (7.9°C)	48.2°F (9.0°C)	-2.0°F (-1.1°C)	10th Coolest	Coolest since: 1902	1904
	46.2°F (7.9°C)	48.2°F (9.0°C)	-2.0°F (-1.1°C)	118th Warmest	Warmest since: 1901	2012
	Ties: 1978
Oct 1901–Sep 1902 12-Month	46.8°F (8.2°C)	48.5°F (9.2°C)	-1.7°F (-1.0°C)	13th Coolest	Coolest since: 1902	1904
	46.8°F (8.2°C)	48.5°F (9.2°C)	-1.7°F (-1.0°C)	115th Warmest	Warmest since: 1901	2012
	Ties: 1996
Apr 1901–Sep 1902 18-Month	52.9°F (11.6°C)	53.6°F (12.0°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1899	1904
	52.9°F (11.6°C)	53.6°F (12.0°C)	-0.7°F (-0.4°C)	100th Warmest	Warmest since: 1901	2012
	Ties: 1928, 1970, 1994
Oct 1900–Sep 1902 24-Month	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	21st Coolest	Coolest since: 1902	1918
	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	106th Warmest	Warmest since: 1901	2017
	Ties: 1937
Oct 1899–Sep 1902 36-Month	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	41st Coolest	Coolest since: 1899	1979
	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	85th Warmest	Warmest since: 1901	2000
	Ties: 1899, 1908, 1938, 1958, 1961, 1965, 1968, 1994, 1997
Oct 1898–Sep 1902 48-Month	47.9°F (8.8°C)	48.4°F (9.1°C)	-0.5°F (-0.3°C)	21st Coolest	Coolest since: 1902	1905, 1918
	47.9°F (8.8°C)	48.4°F (9.1°C)	-0.5°F (-0.3°C)	104th Warmest	Warmest since: 1901	2001, 2002, 2019
	Ties: 1908, 1951, 1970
Oct 1897–Sep 1902 60-Month	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	39th Coolest	Coolest since: 1902	1905, 1906
	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	85th Warmest	Warmest since: 1901	2002
	Ties: 1910, 1911, 1914, 1921, 1961, 1972, 1978

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published November 2022, retrieved on November 27, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings