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 7. East Southeast

Average Temperature Rankings, September 1926

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1926 1-Month	69.3°F (20.7°C)	67.4°F (19.7°C)	1.9°F (1.0°C)	89th Coolest	Coolest since: 1924	1918
September 1926 1-Month	69.3°F (20.7°C)	67.4°F (19.7°C)	1.9°F (1.0°C)	40th Warmest	Warmest since: 1925	1925
Aug–Sep 1926 2-Month	72.8°F (22.7°C)	70.8°F (21.6°C)	2.0°F (1.1°C)	101st Coolest	Coolest since: 1924	1967
	72.8°F (22.7°C)	70.8°F (21.6°C)	2.0°F (1.1°C)	28th Warmest	Warmest since: 1925	1936
	Ties: 1908, 1921
Jul–Sep 1926 3-Month	74.5°F (23.6°C)	72.7°F (22.6°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 1924	1967
	74.5°F (23.6°C)	72.7°F (22.6°C)	1.8°F (1.0°C)	20th Warmest	Warmest since: 1925	1936
	Ties: 2019
Jun–Sep 1926 4-Month	73.0°F (22.8°C)	72.5°F (22.5°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 1924	1967
	73.0°F (22.8°C)	72.5°F (22.5°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1925	1936
	Ties: 1899, 1908, 1947, 1999
May–Sep 1926 5-Month	71.5°F (21.9°C)	70.7°F (21.5°C)	0.8°F (0.4°C)	88th Coolest	Coolest since: 1924	1924
	71.5°F (21.9°C)	70.7°F (21.5°C)	0.8°F (0.4°C)	41st Warmest	Warmest since: 1925	1936
	Ties: 1943, 1970
Apr–Sep 1926 6-Month	67.3°F (19.6°C)	67.7°F (19.8°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1924	1907
Apr–Sep 1926 6-Month	67.3°F (19.6°C)	67.7°F (19.8°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 1925	2010
Mar–Sep 1926 7-Month	62.7°F (17.1°C)	64.0°F (17.8°C)	-1.3°F (-0.7°C)	15th Coolest	Coolest since: 1924	1924
	62.7°F (17.1°C)	64.0°F (17.8°C)	-1.3°F (-0.7°C)	114th Warmest	Warmest since: 1925	2012
	Ties: 1967, 1997
Feb–Sep 1926 8-Month	59.2°F (15.1°C)	59.9°F (15.5°C)	-0.7°F (-0.4°C)	38th Coolest	Coolest since: 1924	1904, 1924
	59.2°F (15.1°C)	59.9°F (15.5°C)	-0.7°F (-0.4°C)	91st Warmest	Warmest since: 1925	2012
	Ties: 1897, 1905, 1963, 1968, 1980, 2008, 2013
Jan–Sep 1926 9-Month	55.9°F (13.3°C)	56.4°F (13.6°C)	-0.5°F (-0.3°C)	46th Coolest	Coolest since: 1924	1979
	55.9°F (13.3°C)	56.4°F (13.6°C)	-0.5°F (-0.3°C)	83rd Warmest	Warmest since: 1925	2012
	Ties: 1903, 1937, 1965, 1975, 2008
Dec 1925–Sep 1926 10-Month	53.2°F (11.8°C)	53.9°F (12.2°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1924	1904
	53.2°F (11.8°C)	53.9°F (12.2°C)	-0.7°F (-0.4°C)	96th Warmest	Warmest since: 1925	2012
	Ties: 1903, 1962, 1968, 1971, 2003
Nov 1925–Sep 1926 11-Month	51.9°F (11.1°C)	52.8°F (11.6°C)	-0.9°F (-0.5°C)	28th Coolest	Coolest since: 1924	1904
	51.9°F (11.1°C)	52.8°F (11.6°C)	-0.9°F (-0.5°C)	100th Warmest	Warmest since: 1925	2012
	Ties: 1961, 1969, 2015
Oct 1925–Sep 1926 12-Month	51.5°F (10.8°C)	53.1°F (11.7°C)	-1.6°F (-0.9°C)	12th Coolest	Coolest since: 1924	1904
	51.5°F (10.8°C)	53.1°F (11.7°C)	-1.6°F (-0.9°C)	116th Warmest	Warmest since: 1925	2012
	Ties: 1917, 1920, 1958, 1977, 1984, 1996
Apr 1925–Sep 1926 18-Month	57.5°F (14.2°C)	57.9°F (14.4°C)	-0.4°F (-0.2°C)	37th Coolest	Coolest since: 1924	1918
	57.5°F (14.2°C)	57.9°F (14.4°C)	-0.4°F (-0.2°C)	91st Warmest	Warmest since: 1925	2012
	Ties: 1907, 1936, 1961
Oct 1924–Sep 1926 24-Month	53.1°F (11.7°C)	53.1°F (11.7°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1925	1979
	53.1°F (11.7°C)	53.1°F (11.7°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1923	2017
	Ties: 1915, 1940, 1941, 1945, 1984, 1990
Oct 1923–Sep 1926 36-Month	52.5°F (11.4°C)	53.1°F (11.7°C)	-0.6°F (-0.3°C)	26th Coolest	Coolest since: 1920	1979
	52.5°F (11.4°C)	53.1°F (11.7°C)	-0.6°F (-0.3°C)	100th Warmest	Warmest since: 1925	2018
	Ties: 1903, 1929, 1961
Oct 1922–Sep 1926 48-Month	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	27th Coolest	Coolest since: 1920	1980
	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	98th Warmest	Warmest since: 1925	2019
	Ties: 1900, 1910, 1913, 1964, 1972, 1997
Oct 1921–Sep 1926 60-Month	52.9°F (11.6°C)	53.0°F (11.7°C)	-0.1°F (-0.1°C)	46th Coolest	Coolest since: 1921	1982
	52.9°F (11.6°C)	53.0°F (11.7°C)	-0.1°F (-0.1°C)	78th Warmest	Warmest since: 1925	2020
	Ties: 1914, 1915, 1921

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings