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 5. East

Average Temperature Rankings, August 1900

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1900 1-Month	76.8°F (24.9°C)	72.1°F (22.3°C)	4.7°F (2.6°C)	123rd Coolest	Coolest since: 1899	1915
August 1900 1-Month	76.8°F (24.9°C)	72.1°F (22.3°C)	4.7°F (2.6°C)	6th Warmest	Warmest to Date	1947
Jul–Aug 1900 2-Month	75.0°F (23.9°C)	73.2°F (22.9°C)	1.8°F (1.0°C)	107th Coolest	Coolest since: 1899	1915
	75.0°F (23.9°C)	73.2°F (22.9°C)	1.8°F (1.0°C)	22nd Warmest	Warmest to Date	1936
	Ties: 1991
Jun–Aug 1900 3-Month	72.9°F (22.7°C)	72.3°F (22.4°C)	0.6°F (0.3°C)	84th Coolest	Coolest since: 1899	1915
	72.9°F (22.7°C)	72.3°F (22.4°C)	0.6°F (0.3°C)	45th Warmest	Warmest to Date	1936
	Ties: 1941, 1993, 1998
May–Aug 1900 4-Month	70.3°F (21.3°C)	69.5°F (20.8°C)	0.8°F (0.5°C)	83rd Coolest	Coolest since: 1899	1915
	70.3°F (21.3°C)	69.5°F (20.8°C)	0.8°F (0.5°C)	46th Warmest	Warmest since: 1896	1934
	Ties: 1954, 2002
Apr–Aug 1900 5-Month	66.4°F (19.1°C)	65.6°F (18.7°C)	0.8°F (0.4°C)	84th Coolest	Coolest since: 1899	1907
	66.4°F (19.1°C)	65.6°F (18.7°C)	0.8°F (0.4°C)	45th Warmest	Warmest since: 1899	1991
	Ties: 1895, 1899, 2022
Mar–Aug 1900 6-Month	60.4°F (15.8°C)	61.0°F (16.1°C)	-0.6°F (-0.3°C)	38th Coolest	Coolest since: 1897	1904, 1907
	60.4°F (15.8°C)	61.0°F (16.1°C)	-0.6°F (-0.3°C)	91st Warmest	Warmest since: 1899	2012
	Ties: 1937, 2008
Feb–Aug 1900 7-Month	54.8°F (12.7°C)	56.2°F (13.4°C)	-1.4°F (-0.7°C)	23rd Coolest	Coolest since: 1899	1904
	54.8°F (12.7°C)	56.2°F (13.4°C)	-1.4°F (-0.7°C)	106th Warmest	Warmest since: 1898	2012
	Ties: 1901, 1906, 1951, 1996
Jan–Aug 1900 8-Month	51.5°F (10.8°C)	52.1°F (11.2°C)	-0.6°F (-0.4°C)	43rd Coolest	Coolest since: 1899	1904, 1912
	51.5°F (10.8°C)	52.1°F (11.2°C)	-0.6°F (-0.4°C)	86th Warmest	Warmest since: 1898	2012
	Ties: 1928, 1961, 2003
Dec 1899–Aug 1900 9-Month	48.7°F (9.3°C)	49.5°F (9.7°C)	-0.8°F (-0.4°C)	31st Coolest	Coolest since: 1899	1904
	48.7°F (9.3°C)	49.5°F (9.7°C)	-0.8°F (-0.4°C)	97th Warmest	Warmest since: 1898	2012
	Ties: 1897, 1901, 1928, 1929, 1945, 1965, 1967, 1969, 1994
Nov 1899–Aug 1900 10-Month	48.0°F (8.9°C)	48.5°F (9.2°C)	-0.5°F (-0.3°C)	40th Coolest	Coolest since: 1899	1904
	48.0°F (8.9°C)	48.5°F (9.2°C)	-0.5°F (-0.3°C)	88th Warmest	Warmest since: 1898	2012
	Ties: 1906, 1910, 1945, 1967
Oct 1899–Aug 1900 11-Month	48.8°F (9.3°C)	49.0°F (9.4°C)	-0.2°F (-0.1°C)	49th Coolest	Coolest since: 1899	1904
	48.8°F (9.3°C)	49.0°F (9.4°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 1898	2012
	Ties: 1909, 1923, 1943, 1956, 1989
Sep 1899–Aug 1900 12-Month	50.0°F (10.0°C)	50.3°F (10.2°C)	-0.3°F (-0.2°C)	45th Coolest	Coolest since: 1899	1904
	50.0°F (10.0°C)	50.3°F (10.2°C)	-0.3°F (-0.2°C)	83rd Warmest	Warmest since: 1898	2012
	Ties: 1943, 1961, 1971
Mar 1899–Aug 1900 18-Month	53.5°F (11.9°C)	53.8°F (12.1°C)	-0.3°F (-0.2°C)	42nd Coolest	Coolest since: 1899	1904
	53.5°F (11.9°C)	53.8°F (12.1°C)	-0.3°F (-0.2°C)	86th Warmest	Warmest since: 1898	2012
	Ties: 1928, 1948, 1952, 1959, 1960, 1966, 1969
Sep 1898–Aug 1900 24-Month	49.2°F (9.6°C)	50.3°F (10.2°C)	-1.1°F (-0.6°C)	13th Coolest	Coolest since: 1900	1905
	49.2°F (9.6°C)	50.3°F (10.2°C)	-1.1°F (-0.6°C)	114th Warmest	Warmest since: 1899	2017
	Ties: 1906, 1917, 1951, 1963
Sep 1897–Aug 1900 36-Month	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	39th Coolest	Coolest since: 1899	1904
	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	87th Warmest	Warmest since: 1898	2018
	Ties: 1914, 1964, 1984
Sep 1896–Aug 1900 48-Month	49.6°F (9.8°C)	50.2°F (10.1°C)	-0.6°F (-0.3°C)	23rd Coolest	Coolest since: 1900	1905
	49.6°F (9.8°C)	50.2°F (10.1°C)	-0.6°F (-0.3°C)	102nd Warmest	Warmest since: 1899	2019
	Ties: 1910, 1915, 1926, 1961
Sep 1895–Aug 1900 60-Month	49.8°F (9.9°C)	50.2°F (10.1°C)	-0.4°F (-0.2°C)	30th Coolest	Coolest since: 1900	1906
	49.8°F (9.9°C)	50.2°F (10.1°C)	-0.4°F (-0.2°C)	94th Warmest	Warmest to Date	2020
	Ties: 1901, 1911, 1915, 1967, 1978

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings