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 1990

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1990 1-Month	74.6°F (23.7°C)	73.9°F (23.3°C)	0.7°F (0.4°C)	76th Coolest	Coolest since: 1989	1903
	74.6°F (23.7°C)	73.9°F (23.3°C)	0.7°F (0.4°C)	53rd Warmest	Warmest since: 1988	1952
	Ties: 1909, 1946, 2006, 2013
May–Jun 1990 2-Month	68.4°F (20.2°C)	69.5°F (20.8°C)	-1.1°F (-0.6°C)	34th Coolest	Coolest since: 1989	1907
	68.4°F (20.2°C)	69.5°F (20.8°C)	-1.1°F (-0.6°C)	95th Warmest	Warmest since: 1988	2018
	Ties: 1916, 1955, 1968, 1979
Apr–Jun 1990 3-Month	63.5°F (17.5°C)	64.8°F (18.2°C)	-1.3°F (-0.7°C)	24th Coolest	Coolest since: 1989	1907
	63.5°F (17.5°C)	64.8°F (18.2°C)	-1.3°F (-0.7°C)	105th Warmest	Warmest since: 1988	2010
	Ties: 1950, 1979, 1993
Mar–Jun 1990 4-Month	59.8°F (15.4°C)	59.8°F (15.4°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1989	1960
	59.8°F (15.4°C)	59.8°F (15.4°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1988	2012
	Ties: 1949, 1962, 1972
Feb–Jun 1990 5-Month	56.0°F (13.3°C)	54.7°F (12.6°C)	1.3°F (0.7°C)	90th Coolest	Coolest since: 1989	1912, 1960, 1978
	56.0°F (13.3°C)	54.7°F (12.6°C)	1.3°F (0.7°C)	39th Warmest	Warmest since: 1987	2012
	Ties: 1944, 2022
Jan–Jun 1990 6-Month	53.5°F (11.9°C)	50.8°F (10.4°C)	2.7°F (1.5°C)	116th Coolest	Coolest since: 1989	1912, 1978
Jan–Jun 1990 6-Month	53.5°F (11.9°C)	50.8°F (10.4°C)	2.7°F (1.5°C)	13th Warmest	Warmest since: 1987	2012
Dec 1989–Jun 1990 7-Month	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	75th Coolest	Coolest since: 1989	1978
	49.2°F (9.6°C)	48.5°F (9.2°C)	0.7°F (0.4°C)	53rd Warmest	Warmest since: 1987	2012
	Ties: 1974, 2021
Nov 1989–Jun 1990 8-Month	48.7°F (9.3°C)	48.0°F (8.9°C)	0.7°F (0.4°C)	77th Coolest	Coolest since: 1989	1912
	48.7°F (9.3°C)	48.0°F (8.9°C)	0.7°F (0.4°C)	51st Warmest	Warmest since: 1988	2012
	Ties: 1988, 2009
Oct 1989–Jun 1990 9-Month	49.8°F (9.9°C)	49.0°F (9.4°C)	0.8°F (0.5°C)	82nd Coolest	Coolest since: 1989	1912, 1978
	49.8°F (9.9°C)	49.0°F (9.4°C)	0.8°F (0.5°C)	46th Warmest	Warmest since: 1987	2012
	Ties: 1933, 1935, 1949, 1967
Sep 1989–Jun 1990 10-Month	51.4°F (10.8°C)	51.0°F (10.6°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1989	1978
	51.4°F (10.8°C)	51.0°F (10.6°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 1987	2012
	Ties: 1950, 1967, 2013
Aug 1989–Jun 1990 11-Month	53.6°F (12.0°C)	53.3°F (11.8°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1989	1904, 1978
	53.6°F (12.0°C)	53.3°F (11.8°C)	0.3°F (0.2°C)	61st Warmest	Warmest since: 1988	2012
	Ties: 1950, 1988
Jul 1989–Jun 1990 12-Month	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1989	1904, 1912, 1918, 1978
	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	61st Warmest	Warmest since: 1988	2012
	Ties: 1896, 1927, 1967, 1988, 2009
Jan 1989–Jun 1990 18-Month	54.0°F (12.2°C)	53.9°F (12.2°C)	0.1°F (0.0°C)	68th Coolest	Coolest since: 1989	1979
	54.0°F (12.2°C)	53.9°F (12.2°C)	0.1°F (0.0°C)	60th Warmest	Warmest since: 1988	2017
	Ties: 1897, 1911, 1943, 1949
Jul 1988–Jun 1990 24-Month	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	67th Coolest	Coolest since: 1989	1978, 1979
	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	60th Warmest	Warmest since: 1989	2017
	Ties: 1947, 1976, 1989, 1995
Jul 1987–Jun 1990 36-Month	55.5°F (13.1°C)	55.3°F (12.9°C)	0.2°F (0.2°C)	67th Coolest	Coolest since: 1986	1979
	55.5°F (13.1°C)	55.3°F (12.9°C)	0.2°F (0.2°C)	59th Warmest	Warmest since: 1989	2018
	Ties: 1910, 1916, 1949, 1973
Jul 1986–Jun 1990 48-Month	55.8°F (13.2°C)	55.3°F (12.9°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1987	1980
	55.8°F (13.2°C)	55.3°F (12.9°C)	0.5°F (0.3°C)	45th Warmest	Warmest since: 1989	2019
	Ties: 1925, 1938, 1945, 1958, 1987, 1999, 2016
Jul 1985–Jun 1990 60-Month	55.9°F (13.3°C)	55.3°F (12.9°C)	0.6°F (0.4°C)	82nd Coolest	Coolest since: 1989	1980
	55.9°F (13.3°C)	55.3°F (12.9°C)	0.6°F (0.4°C)	42nd Warmest	Warmest since: 1989	2020
	Ties: 1932, 1945, 1946, 1989

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