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 8. Southwest

Average Temperature Rankings, June 1901

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1901 1-Month	77.4°F (25.2°C)	73.9°F (23.3°C)	3.5°F (1.9°C)	120th Coolest	Coolest since: 1900	1903
	77.4°F (25.2°C)	73.9°F (23.3°C)	3.5°F (1.9°C)	9th Warmest	Warmest to Date	1952
	Ties: 1911
May–Jun 1901 2-Month	70.4°F (21.3°C)	69.5°F (20.8°C)	0.9°F (0.5°C)	81st Coolest	Coolest since: 1900	1907
May–Jun 1901 2-Month	70.4°F (21.3°C)	69.5°F (20.8°C)	0.9°F (0.5°C)	48th Warmest	Warmest since: 1899	2018
Apr–Jun 1901 3-Month	64.0°F (17.8°C)	64.7°F (18.2°C)	-0.7°F (-0.4°C)	35th Coolest	Coolest since: 1897	1907
	64.0°F (17.8°C)	64.7°F (18.2°C)	-0.7°F (-0.4°C)	94th Warmest	Warmest since: 1900	2010
	Ties: 1974
Mar–Jun 1901 4-Month	58.9°F (14.9°C)	59.7°F (15.4°C)	-0.8°F (-0.5°C)	39th Coolest	Coolest since: 1900	1960
	58.9°F (14.9°C)	59.7°F (15.4°C)	-0.8°F (-0.5°C)	90th Warmest	Warmest since: 1899	2012
	Ties: 1899, 1971
Feb–Jun 1901 5-Month	53.0°F (11.7°C)	54.8°F (12.7°C)	-1.8°F (-1.0°C)	20th Coolest	Coolest since: 1900	1912, 1960, 1978
	53.0°F (11.7°C)	54.8°F (12.7°C)	-1.8°F (-1.0°C)	109th Warmest	Warmest since: 1898	2012
	Ties: 1916
Jan–Jun 1901 6-Month	50.0°F (10.0°C)	50.8°F (10.4°C)	-0.8°F (-0.4°C)	41st Coolest	Coolest since: 1900	1912, 1978
	50.0°F (10.0°C)	50.8°F (10.4°C)	-0.8°F (-0.4°C)	88th Warmest	Warmest since: 1898	2012
	Ties: 1983, 1996
Dec 1900–Jun 1901 7-Month	47.9°F (8.8°C)	48.5°F (9.2°C)	-0.6°F (-0.4°C)	42nd Coolest	Coolest since: 1900	1978
	47.9°F (8.8°C)	48.5°F (9.2°C)	-0.6°F (-0.4°C)	86th Warmest	Warmest since: 1898	2012
	Ties: 1966
Nov 1900–Jun 1901 8-Month	47.5°F (8.6°C)	48.0°F (8.9°C)	-0.5°F (-0.3°C)	43rd Coolest	Coolest since: 1900	1912
	47.5°F (8.6°C)	48.0°F (8.9°C)	-0.5°F (-0.3°C)	85th Warmest	Warmest since: 1898	2012
	Ties: 1937, 1971
Oct 1900–Jun 1901 9-Month	49.1°F (9.5°C)	49.1°F (9.5°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1900	1912, 1978
	49.1°F (9.5°C)	49.1°F (9.5°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1898	2012
	Ties: 1913, 1965, 1988
Sep 1900–Jun 1901 10-Month	51.5°F (10.8°C)	51.1°F (10.6°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1900	1978
	51.5°F (10.8°C)	51.1°F (10.6°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1898	2012
	Ties: 1931, 1935, 1981
Aug 1900–Jun 1901 11-Month	54.2°F (12.3°C)	53.4°F (11.9°C)	0.8°F (0.4°C)	87th Coolest	Coolest since: 1900	1904, 1978
	54.2°F (12.3°C)	53.4°F (11.9°C)	0.8°F (0.4°C)	41st Warmest	Warmest since: 1898	2012
	Ties: 1981, 2019
Jul 1900–Jun 1901 12-Month	56.0°F (13.3°C)	55.3°F (12.9°C)	0.7°F (0.4°C)	80th Coolest	Coolest since: 1900	1904, 1912, 1918, 1978
	56.0°F (13.3°C)	55.3°F (12.9°C)	0.7°F (0.4°C)	48th Warmest	Warmest since: 1898	2012
	Ties: 1925
Jan 1900–Jun 1901 18-Month	53.9°F (12.2°C)	53.8°F (12.1°C)	0.1°F (0.1°C)	60th Coolest	Coolest since: 1900	1979
	53.9°F (12.2°C)	53.8°F (12.1°C)	0.1°F (0.1°C)	68th Warmest	Warmest since: 1898	2017
	Ties: 1915, 1981, 2009
Jul 1899–Jun 1901 24-Month	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	74th Coolest	Coolest since: 1900	1978, 1979
	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	53rd Warmest	Warmest since: 1898	2017
	Ties: 1898, 1944, 1946, 1965, 1973, 2010
Jul 1898–Jun 1901 36-Month	54.8°F (12.7°C)	55.4°F (13.0°C)	-0.6°F (-0.3°C)	24th Coolest	Coolest since: 1899	1979
	54.8°F (12.7°C)	55.4°F (13.0°C)	-0.6°F (-0.3°C)	102nd Warmest	Warmest since: 1900	2018
	Ties: 1899, 1930, 1982
Jul 1897–Jun 1901 48-Month	55.2°F (12.9°C)	55.4°F (13.0°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1900	1980
	55.2°F (12.9°C)	55.4°F (13.0°C)	-0.2°F (-0.1°C)	85th Warmest	Warmest to Date	2019
	Ties: 1903, 1909, 1914, 1921, 1926, 1928, 1951, 1952, 1965, 1966, 1977
Jul 1896–Jun 1901 60-Month	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	35th Coolest	Coolest since: 1900	1980
	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	89th Warmest	Warmest to Date	2020
	Ties: 1910, 1921, 1929, 1951, 1960, 1965, 1966, 1968, 1977, 1985, 1986

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings