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 1934

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1934 1-Month	62.2°F (16.8°C)	63.7°F (17.6°C)	-1.5°F (-0.8°C)	30th Coolest	Coolest since: 1932	1918
	62.2°F (16.8°C)	63.7°F (17.6°C)	-1.5°F (-0.8°C)	99th Warmest	Warmest since: 1933	1897
	Ties: 1903, 1981
Aug–Sep 1934 2-Month	66.8°F (19.3°C)	67.4°F (19.7°C)	-0.6°F (-0.4°C)	44th Coolest	Coolest since: 1929	1902
Aug–Sep 1934 2-Month	66.8°F (19.3°C)	67.4°F (19.7°C)	-0.6°F (-0.4°C)	85th Warmest	Warmest since: 1933	1947
Jul–Sep 1934 3-Month	70.4°F (21.3°C)	69.4°F (20.8°C)	1.0°F (0.5°C)	89th Coolest	Coolest since: 1932	1924
	70.4°F (21.3°C)	69.4°F (20.8°C)	1.0°F (0.5°C)	40th Warmest	Warmest since: 1933	1936
	Ties: 1898, 1937, 1948
Jun–Sep 1934 4-Month	71.4°F (21.9°C)	69.2°F (20.7°C)	2.2°F (1.2°C)	115th Coolest	Coolest since: 1932	1915
	71.4°F (21.9°C)	69.2°F (20.7°C)	2.2°F (1.2°C)	14th Warmest	Warmest since: 1933	2005
	Ties: 1901, 2012
May–Sep 1934 5-Month	70.2°F (21.2°C)	67.2°F (19.6°C)	3.0°F (1.6°C)	125th Coolest	Coolest since: 1933	1924
	70.2°F (21.2°C)	67.2°F (19.6°C)	3.0°F (1.6°C)	4th Warmest	Warmest since: 1921	1921, 1988
	Ties: 1936, 1991
Apr–Sep 1934 6-Month	66.5°F (19.2°C)	63.9°F (17.7°C)	2.6°F (1.5°C)	121st Coolest	Coolest since: 1933	1907
Apr–Sep 1934 6-Month	66.5°F (19.2°C)	63.9°F (17.7°C)	2.6°F (1.5°C)	8th Warmest	Warmest since: 1921	1921
Mar–Sep 1934 7-Month	61.5°F (16.4°C)	59.9°F (15.5°C)	1.6°F (0.9°C)	113th Coolest	Coolest since: 1933	1924
	61.5°F (16.4°C)	59.9°F (15.5°C)	1.6°F (0.9°C)	16th Warmest	Warmest since: 1933	2012
	Ties: 1925, 1933, 1986
Feb–Sep 1934 8-Month	56.4°F (13.6°C)	55.5°F (13.1°C)	0.9°F (0.5°C)	84th Coolest	Coolest since: 1932	1904, 1917
	56.4°F (13.6°C)	55.5°F (13.1°C)	0.9°F (0.5°C)	45th Warmest	Warmest since: 1933	2012
	Ties: 1939, 1964
Jan–Sep 1934 9-Month	53.3°F (11.8°C)	51.7°F (10.9°C)	1.6°F (0.9°C)	102nd Coolest	Coolest since: 1932	1904, 1912
	53.3°F (11.8°C)	51.7°F (10.9°C)	1.6°F (0.9°C)	27th Warmest	Warmest since: 1933	2012
	Ties: 1939, 1953
Dec 1933–Sep 1934 10-Month	50.8°F (10.4°C)	49.1°F (9.5°C)	1.7°F (0.9°C)	102nd Coolest	Coolest since: 1930	1904
	50.8°F (10.4°C)	49.1°F (9.5°C)	1.7°F (0.9°C)	26th Warmest	Warmest since: 1933	2012
	Ties: 1995
Nov 1933–Sep 1934 11-Month	49.4°F (9.7°C)	48.1°F (8.9°C)	1.3°F (0.8°C)	97th Coolest	Coolest since: 1930	1904
	49.4°F (9.7°C)	48.1°F (8.9°C)	1.3°F (0.8°C)	31st Warmest	Warmest since: 1933	2012
	Ties: 1914
Oct 1933–Sep 1934 12-Month	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	91st Coolest	Coolest since: 1930	1904
	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1933	2012
	Ties: 1898, 1925
Apr 1933–Sep 1934 18-Month	54.9°F (12.7°C)	53.6°F (12.0°C)	1.3°F (0.7°C)	101st Coolest	Coolest since: 1933	1904
	54.9°F (12.7°C)	53.6°F (12.0°C)	1.3°F (0.7°C)	27th Warmest	Warmest since: 1932	2012
	Ties: 1939, 1983
Oct 1932–Sep 1934 24-Month	49.5°F (9.7°C)	48.5°F (9.2°C)	1.0°F (0.5°C)	98th Coolest	Coolest since: 1931	1918
	49.5°F (9.7°C)	48.5°F (9.2°C)	1.0°F (0.5°C)	29th Warmest	Warmest since: 1933	2017
	Ties: 1921, 1998
Oct 1931–Sep 1934 36-Month	50.0°F (10.0°C)	48.4°F (9.1°C)	1.6°F (0.9°C)	111th Coolest	Coolest since: 1932	1979
	50.0°F (10.0°C)	48.4°F (9.1°C)	1.6°F (0.9°C)	15th Warmest	Warmest since: 1933	2000
	Ties: 1988, 2008
Oct 1930–Sep 1934 48-Month	50.0°F (10.0°C)	48.4°F (9.1°C)	1.6°F (0.9°C)	114th Coolest	Coolest since: 1933	1905, 1918
	50.0°F (10.0°C)	48.4°F (9.1°C)	1.6°F (0.9°C)	11th Warmest	Warmest to Date	2001, 2002, 2019
	Ties: 2020, 2022
Oct 1929–Sep 1934 60-Month	49.7°F (9.8°C)	48.4°F (9.1°C)	1.3°F (0.7°C)	108th Coolest	Coolest since: 1933	1905, 1906
	49.7°F (9.8°C)	48.4°F (9.1°C)	1.3°F (0.7°C)	16th Warmest	Warmest to Date	2002
	Ties: 1935, 2009, 2016

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings