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 1898

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1898 1-Month	75.5°F (24.2°C)	73.9°F (23.3°C)	1.6°F (0.9°C)	94th Coolest	Coolest since: 1897	1903
	75.5°F (24.2°C)	73.9°F (23.3°C)	1.6°F (0.9°C)	35th Warmest	Warmest to Date	1952
	Ties: 2015, 2020
May–Jun 1898 2-Month	70.6°F (21.4°C)	69.4°F (20.8°C)	1.2°F (0.6°C)	86th Coolest	Coolest since: 1897	1907
	70.6°F (21.4°C)	69.4°F (20.8°C)	1.2°F (0.6°C)	43rd Warmest	Warmest since: 1896	2018
	Ties: 1943, 1956, 1988, 2000
Apr–Jun 1898 3-Month	64.4°F (18.0°C)	64.8°F (18.2°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1897	1907
Apr–Jun 1898 3-Month	64.4°F (18.0°C)	64.8°F (18.2°C)	-0.4°F (-0.2°C)	84th Warmest	Warmest since: 1896	2010
Mar–Jun 1898 4-Month	59.9°F (15.5°C)	59.7°F (15.4°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1897	1960
	59.9°F (15.5°C)	59.7°F (15.4°C)	0.2°F (0.1°C)	71st Warmest	Warmest since: 1896	2012
	Ties: 1919, 1956, 2014, 2019
Feb–Jun 1898 5-Month	55.0°F (12.8°C)	54.7°F (12.6°C)	0.3°F (0.2°C)	64th Coolest	Coolest since: 1897	1912, 1960, 1978
Feb–Jun 1898 5-Month	55.0°F (12.8°C)	54.7°F (12.6°C)	0.3°F (0.2°C)	65th Warmest	Warmest since: 1896	2012
Jan–Jun 1898 6-Month	51.8°F (11.0°C)	50.7°F (10.4°C)	1.1°F (0.6°C)	86th Coolest	Coolest since: 1897	1912, 1978
	51.8°F (11.0°C)	50.7°F (10.4°C)	1.1°F (0.6°C)	43rd Warmest	Warmest since: 1896	2012
	Ties: 1927, 1974, 2001
Dec 1897–Jun 1898 7-Month	49.0°F (9.4°C)	48.5°F (9.2°C)	0.5°F (0.2°C)	72nd Coolest	Coolest since: 1897	1978
	49.0°F (9.4°C)	48.5°F (9.2°C)	0.5°F (0.2°C)	56th Warmest	Warmest since: 1896	2012
	Ties: 1909, 1927, 1931
Nov 1897–Jun 1898 8-Month	48.4°F (9.1°C)	48.0°F (8.9°C)	0.4°F (0.2°C)	67th Coolest	Coolest since: 1897	1912
	48.4°F (9.1°C)	48.0°F (8.9°C)	0.4°F (0.2°C)	61st Warmest	Warmest since: 1896	2012
	Ties: 1943, 1983
Oct 1897–Jun 1898 9-Month	50.0°F (10.0°C)	49.1°F (9.5°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 1897	1912, 1978
	50.0°F (10.0°C)	49.1°F (9.5°C)	0.9°F (0.5°C)	40th Warmest	Warmest to Date	2012
	Ties: 1911, 1938, 1955, 2010, 2021
Sep 1897–Jun 1898 10-Month	52.4°F (11.3°C)	51.1°F (10.6°C)	1.3°F (0.7°C)	102nd Coolest	Coolest since: 1897	1978
	52.4°F (11.3°C)	51.1°F (10.6°C)	1.3°F (0.7°C)	26th Warmest	Warmest to Date	2012
	Ties: 1946, 1986, 1992, 2007
Aug 1897–Jun 1898 11-Month	54.4°F (12.4°C)	53.3°F (11.8°C)	1.1°F (0.6°C)	94th Coolest	Coolest since: 1897	1904, 1978
	54.4°F (12.4°C)	53.3°F (11.8°C)	1.1°F (0.6°C)	34th Warmest	Warmest to Date	2012
	Ties: 1938, 2018
Jul 1897–Jun 1898 12-Month	56.4°F (13.6°C)	55.4°F (13.0°C)	1.0°F (0.6°C)	96th Coolest	Coolest since: 1897	1904, 1912, 1918, 1978
	56.4°F (13.6°C)	55.4°F (13.0°C)	1.0°F (0.6°C)	32nd Warmest	Warmest to Date	2012
	Ties: 1935, 1957, 1972, 2011
Jan 1897–Jun 1898 18-Month	54.2°F (12.3°C)	53.8°F (12.1°C)	0.4°F (0.2°C)	78th Coolest	Coolest since: 1897	1979
	54.2°F (12.3°C)	53.8°F (12.1°C)	0.4°F (0.2°C)	50th Warmest	Warmest to Date	2017
	Ties: 1938, 1944, 1945, 1972
Jul 1896–Jun 1898 24-Month	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	74th Coolest	Coolest since: 1897	1978, 1979
	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	53rd Warmest	Warmest to Date	2017
	Ties: 1901, 1944, 1946, 1965, 1973, 2010
Jul 1895–Jun 1898 36-Month	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1898	1979
	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	56th Warmest	Warmest to Date	2018
	Ties: 1911, 1948

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