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 1916

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1916 1-Month	65.5°F (18.6°C)	67.4°F (19.7°C)	-1.9°F (-1.1°C)	29th Coolest	Coolest since: 1909	1918
	65.5°F (18.6°C)	67.4°F (19.7°C)	-1.9°F (-1.1°C)	100th Warmest	Warmest since: 1915	1925
	Ties: 1934, 2012
Aug–Sep 1916 2-Month	71.3°F (21.8°C)	70.8°F (21.6°C)	0.5°F (0.2°C)	79th Coolest	Coolest since: 1915	1967
	71.3°F (21.8°C)	70.8°F (21.6°C)	0.5°F (0.2°C)	50th Warmest	Warmest since: 1914	1936
	Ties: 1944, 1948, 1972, 2013
Jul–Sep 1916 3-Month	74.3°F (23.5°C)	72.6°F (22.6°C)	1.7°F (0.9°C)	104th Coolest	Coolest since: 1915	1967
Jul–Sep 1916 3-Month	74.3°F (23.5°C)	72.6°F (22.6°C)	1.7°F (0.9°C)	25th Warmest	Warmest since: 1913	1936
Jun–Sep 1916 4-Month	72.7°F (22.6°C)	72.6°F (22.6°C)	0.1°F (0.0°C)	61st Coolest	Coolest since: 1915	1967
	72.7°F (22.6°C)	72.6°F (22.6°C)	0.1°F (0.0°C)	68th Warmest	Warmest since: 1914	1936
	Ties: 1897, 1968, 2008, 2015, 2020
May–Sep 1916 5-Month	71.1°F (21.7°C)	70.8°F (21.6°C)	0.3°F (0.1°C)	75th Coolest	Coolest since: 1915	1924
	71.1°F (21.7°C)	70.8°F (21.6°C)	0.3°F (0.1°C)	54th Warmest	Warmest since: 1914	1936
	Ties: 1895, 1906, 1995
Apr–Sep 1916 6-Month	67.6°F (19.8°C)	67.7°F (19.8°C)	-0.1°F (0.0°C)	56th Coolest	Coolest since: 1915	1907
	67.6°F (19.8°C)	67.7°F (19.8°C)	-0.1°F (0.0°C)	73rd Warmest	Warmest since: 1914	2010
	Ties: 1898, 1912, 1973, 1981
Mar–Sep 1916 7-Month	63.5°F (17.5°C)	64.0°F (17.8°C)	-0.5°F (-0.3°C)	42nd Coolest	Coolest since: 1915	1924
	63.5°F (17.5°C)	64.0°F (17.8°C)	-0.5°F (-0.3°C)	87th Warmest	Warmest since: 1914	2012
	Ties: 1994, 2008
Feb–Sep 1916 8-Month	59.1°F (15.1°C)	60.0°F (15.6°C)	-0.9°F (-0.5°C)	31st Coolest	Coolest since: 1915	1904, 1924
	59.1°F (15.1°C)	60.0°F (15.6°C)	-0.9°F (-0.5°C)	98th Warmest	Warmest since: 1914	2012
	Ties: 1910, 1937, 1969, 1971, 1984, 2015
Jan–Sep 1916 9-Month	56.0°F (13.3°C)	56.3°F (13.5°C)	-0.3°F (-0.2°C)	52nd Coolest	Coolest since: 1915	1979
	56.0°F (13.3°C)	56.3°F (13.5°C)	-0.3°F (-0.2°C)	77th Warmest	Warmest since: 1914	2012
	Ties: 1972, 2013
Dec 1915–Sep 1916 10-Month	53.5°F (11.9°C)	53.9°F (12.2°C)	-0.4°F (-0.3°C)	46th Coolest	Coolest since: 1915	1904
	53.5°F (11.9°C)	53.9°F (12.2°C)	-0.4°F (-0.3°C)	82nd Warmest	Warmest since: 1914	2012
	Ties: 1993
Nov 1915–Sep 1916 11-Month	52.8°F (11.6°C)	52.9°F (11.6°C)	-0.1°F (0.0°C)	57th Coolest	Coolest since: 1915	1904
	52.8°F (11.6°C)	52.9°F (11.6°C)	-0.1°F (0.0°C)	71st Warmest	Warmest since: 1914	2012
	Ties: 1903, 1936, 1975, 1981, 1985, 1989
Oct 1915–Sep 1916 12-Month	53.1°F (11.7°C)	53.1°F (11.7°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1915	1904
	53.1°F (11.7°C)	53.1°F (11.7°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1914	2012
	Ties: 1909
Apr 1915–Sep 1916 18-Month	57.6°F (14.2°C)	58.0°F (14.4°C)	-0.4°F (-0.2°C)	41st Coolest	Coolest since: 1912	1918
	57.6°F (14.2°C)	58.0°F (14.4°C)	-0.4°F (-0.2°C)	87th Warmest	Warmest since: 1915	2012
	Ties: 1946, 2001
Oct 1914–Sep 1916 24-Month	52.5°F (11.4°C)	53.0°F (11.7°C)	-0.5°F (-0.3°C)	33rd Coolest	Coolest since: 1913	1979
	52.5°F (11.4°C)	53.0°F (11.7°C)	-0.5°F (-0.3°C)	94th Warmest	Warmest since: 1915	2017
	Ties: 1897, 1929, 1952, 1959, 1967
Oct 1913–Sep 1916 36-Month	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1914	1979
	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	67th Warmest	Warmest since: 1915	2018
	Ties: 1947, 1966, 2016
Oct 1912–Sep 1916 48-Month	53.3°F (11.8°C)	53.0°F (11.7°C)	0.3°F (0.1°C)	67th Coolest	Coolest since: 1915	1980
	53.3°F (11.8°C)	53.0°F (11.7°C)	0.3°F (0.1°C)	58th Warmest	Warmest to Date	2019
	Ties: 1921, 1925, 1974, 1995
Oct 1911–Sep 1916 60-Month	52.8°F (11.6°C)	53.1°F (11.7°C)	-0.3°F (-0.1°C)	43rd Coolest	Coolest since: 1913	1982
	52.8°F (11.6°C)	53.1°F (11.7°C)	-0.3°F (-0.1°C)	81st Warmest	Warmest since: 1915	2020
	Ties: 1901, 1911

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings