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 1910

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1910 1-Month	67.5°F (19.7°C)	67.4°F (19.7°C)	0.1°F (0.0°C)	66th Coolest	Coolest since: 1909	1918
	67.5°F (19.7°C)	67.4°F (19.7°C)	0.1°F (0.0°C)	63rd Warmest	Warmest since: 1908	1925
	Ties: 1904, 1985
Aug–Sep 1910 2-Month	69.8°F (21.0°C)	70.8°F (21.6°C)	-1.0°F (-0.6°C)	38th Coolest	Coolest since: 1907	1967
Aug–Sep 1910 2-Month	69.8°F (21.0°C)	70.8°F (21.6°C)	-1.0°F (-0.6°C)	91st Warmest	Warmest since: 1909	1936
Jul–Sep 1910 3-Month	71.7°F (22.1°C)	72.7°F (22.6°C)	-1.0°F (-0.5°C)	39th Coolest	Coolest since: 1909	1967
	71.7°F (22.1°C)	72.7°F (22.6°C)	-1.0°F (-0.5°C)	90th Warmest	Warmest since: 1908	1936
	Ties: 1971, 1997
Jun–Sep 1910 4-Month	71.1°F (21.7°C)	72.6°F (22.6°C)	-1.5°F (-0.9°C)	24th Coolest	Coolest since: 1907	1967
	71.1°F (21.7°C)	72.6°F (22.6°C)	-1.5°F (-0.9°C)	105th Warmest	Warmest since: 1909	1936
	Ties: 1929, 2003
May–Sep 1910 5-Month	68.5°F (20.3°C)	70.7°F (21.5°C)	-2.2°F (-1.2°C)	7th Coolest	Coolest since: 1907	1924
	68.5°F (20.3°C)	70.7°F (21.5°C)	-2.2°F (-1.2°C)	122nd Warmest	Warmest since: 1909	1936
	Ties: 1945, 1974, 1992
Apr–Sep 1910 6-Month	65.8°F (18.8°C)	67.7°F (19.8°C)	-1.9°F (-1.0°C)	9th Coolest	Coolest since: 1907	1907
Apr–Sep 1910 6-Month	65.8°F (18.8°C)	67.7°F (19.8°C)	-1.9°F (-1.0°C)	120th Warmest	Warmest since: 1909	2010
Mar–Sep 1910 7-Month	63.8°F (17.7°C)	64.0°F (17.8°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1909	1924
	63.8°F (17.7°C)	64.0°F (17.8°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 1908	2012
	Ties: 1903, 1935, 1956, 1972, 2003
Feb–Sep 1910 8-Month	59.1°F (15.1°C)	59.9°F (15.5°C)	-0.8°F (-0.4°C)	31st Coolest	Coolest since: 1907	1904, 1924
	59.1°F (15.1°C)	59.9°F (15.5°C)	-0.8°F (-0.4°C)	98th Warmest	Warmest since: 1909	2012
	Ties: 1916, 1937, 1969, 1971, 1984, 2015
Jan–Sep 1910 9-Month	55.7°F (13.2°C)	56.4°F (13.6°C)	-0.7°F (-0.4°C)	41st Coolest	Coolest since: 1907	1979
	55.7°F (13.2°C)	56.4°F (13.6°C)	-0.7°F (-0.4°C)	88th Warmest	Warmest since: 1909	2012
	Ties: 1961
Dec 1909–Sep 1910 10-Month	52.3°F (11.3°C)	53.8°F (12.1°C)	-1.5°F (-0.8°C)	18th Coolest	Coolest since: 1904	1904
Dec 1909–Sep 1910 10-Month	52.3°F (11.3°C)	53.8°F (12.1°C)	-1.5°F (-0.8°C)	110th Warmest	Warmest since: 1909	2012
Nov 1909–Sep 1910 11-Month	52.2°F (11.2°C)	52.8°F (11.6°C)	-0.6°F (-0.4°C)	37th Coolest	Coolest since: 1907	1904
	52.2°F (11.2°C)	52.8°F (11.6°C)	-0.6°F (-0.4°C)	91st Warmest	Warmest since: 1909	2012
	Ties: 1927, 1962
Oct 1909–Sep 1910 12-Month	52.1°F (11.2°C)	53.1°F (11.7°C)	-1.0°F (-0.5°C)	28th Coolest	Coolest since: 1907	1904
Oct 1909–Sep 1910 12-Month	52.1°F (11.2°C)	53.1°F (11.7°C)	-1.0°F (-0.5°C)	100th Warmest	Warmest since: 1909	2012
Apr 1909–Sep 1910 18-Month	56.9°F (13.8°C)	57.9°F (14.4°C)	-1.0°F (-0.6°C)	18th Coolest	Coolest since: 1908	1918
	56.9°F (13.8°C)	57.9°F (14.4°C)	-1.0°F (-0.6°C)	110th Warmest	Warmest since: 1909	2012
	Ties: 1967
Oct 1908–Sep 1910 24-Month	52.6°F (11.4°C)	53.1°F (11.7°C)	-0.5°F (-0.3°C)	39th Coolest	Coolest since: 1908	1979
	52.6°F (11.4°C)	53.1°F (11.7°C)	-0.5°F (-0.3°C)	88th Warmest	Warmest since: 1909	2017
	Ties: 1908, 1919, 1960
Oct 1907–Sep 1910 36-Month	52.8°F (11.6°C)	53.0°F (11.7°C)	-0.2°F (-0.1°C)	41st Coolest	Coolest since: 1909	1979
	52.8°F (11.6°C)	53.0°F (11.7°C)	-0.2°F (-0.1°C)	85th Warmest	Warmest since: 1909	2018
	Ties: 1909, 1930, 1951, 1977, 1983, 1994, 1996, 1997
Oct 1906–Sep 1910 48-Month	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	27th Coolest	Coolest since: 1908	1980
	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	98th Warmest	Warmest since: 1909	2019
	Ties: 1900, 1913, 1926, 1964, 1972, 1997
Oct 1905–Sep 1910 60-Month	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	27th Coolest	Coolest since: 1909	1982
	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	97th Warmest	Warmest since: 1909	2020
	Ties: 1900, 1909, 1927, 1961, 1965, 1984, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings