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 1989

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1989 1-Month	71.4°F (21.9°C)	72.1°F (22.3°C)	-0.7°F (-0.4°C)	44th Coolest	Coolest since: 1986	1915
	71.4°F (21.9°C)	72.1°F (22.3°C)	-0.7°F (-0.4°C)	85th Warmest	Warmest since: 1988	1947
	Ties: 1921, 1962, 1979
Jul–Aug 1989 2-Month	73.0°F (22.8°C)	73.3°F (22.9°C)	-0.3°F (-0.1°C)	57th Coolest	Coolest since: 1986	1915
	73.0°F (22.8°C)	73.3°F (22.9°C)	-0.3°F (-0.1°C)	72nd Warmest	Warmest since: 1988	1936
	Ties: 1908, 1911, 1970
Jun–Aug 1989 3-Month	72.2°F (22.3°C)	72.3°F (22.4°C)	-0.1°F (-0.1°C)	55th Coolest	Coolest since: 1985	1915
	72.2°F (22.3°C)	72.3°F (22.4°C)	-0.1°F (-0.1°C)	74th Warmest	Warmest since: 1988	1936
	Ties: 2001, 2017
May–Aug 1989 4-Month	68.7°F (20.4°C)	69.5°F (20.8°C)	-0.8°F (-0.4°C)	38th Coolest	Coolest since: 1985	1915
	68.7°F (20.4°C)	69.5°F (20.8°C)	-0.8°F (-0.4°C)	91st Warmest	Warmest since: 1988	1934
	Ties: 1947, 1968, 1985, 1994
Apr–Aug 1989 5-Month	65.0°F (18.3°C)	65.5°F (18.6°C)	-0.5°F (-0.3°C)	36th Coolest	Coolest since: 1982	1907
	65.0°F (18.3°C)	65.5°F (18.6°C)	-0.5°F (-0.3°C)	93rd Warmest	Warmest since: 1988	1991
	Ties: 1905, 1923, 1940, 1960
Mar–Aug 1989 6-Month	60.7°F (15.9°C)	61.0°F (16.1°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1984	1904
	60.7°F (15.9°C)	61.0°F (16.1°C)	-0.3°F (-0.2°C)	83rd Warmest	Warmest since: 1988	2012
	Ties: 1932
Feb–Aug 1989 7-Month	55.0°F (12.8°C)	56.2°F (13.4°C)	-1.2°F (-0.6°C)	28th Coolest	Coolest since: 1982	1904
	55.0°F (12.8°C)	56.2°F (13.4°C)	-1.2°F (-0.6°C)	101st Warmest	Warmest since: 1988	2012
	Ties: 1897, 2015
Jan–Aug 1989 8-Month	52.3°F (11.3°C)	52.2°F (11.2°C)	0.1°F (0.1°C)	66th Coolest	Coolest since: 1985	1904, 1912
	52.3°F (11.3°C)	52.2°F (11.2°C)	0.1°F (0.1°C)	63rd Warmest	Warmest since: 1988	2012
	Ties: 1908, 1975, 1993, 2019
Dec 1988–Aug 1989 9-Month	49.8°F (9.9°C)	49.5°F (9.7°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1984	1904
	49.8°F (9.9°C)	49.5°F (9.7°C)	0.3°F (0.2°C)	59th Warmest	Warmest since: 1988	2012
	Ties: 1993
Nov 1988–Aug 1989 10-Month	49.0°F (9.4°C)	48.5°F (9.2°C)	0.5°F (0.2°C)	79th Coolest	Coolest since: 1985	1904
	49.0°F (9.4°C)	48.5°F (9.2°C)	0.5°F (0.2°C)	49th Warmest	Warmest since: 1988	2012
	Ties: 1925, 1930, 1952, 1974, 1981
Oct 1988–Aug 1989 11-Month	48.8°F (9.3°C)	49.0°F (9.4°C)	-0.2°F (-0.1°C)	49th Coolest	Coolest since: 1984	1904
	48.8°F (9.3°C)	49.0°F (9.4°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 1988	2012
	Ties: 1900, 1909, 1923, 1943, 1956
Sep 1988–Aug 1989 12-Month	50.3°F (10.2°C)	50.3°F (10.2°C)	0.0°F (0.0°C)	52nd Coolest	Coolest since: 1984	1904
	50.3°F (10.2°C)	50.3°F (10.2°C)	0.0°F (0.0°C)	76th Warmest	Warmest since: 1988	2012
	Ties: 1916, 1956, 1980
Mar 1988–Aug 1989 18-Month	54.8°F (12.7°C)	53.9°F (12.2°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1986	1904
	54.8°F (12.7°C)	53.9°F (12.2°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 1988	2012
	Ties: 1914, 1935, 1986
Sep 1987–Aug 1989 24-Month	51.0°F (10.6°C)	50.3°F (10.2°C)	0.7°F (0.4°C)	88th Coolest	Coolest since: 1986	1905
	51.0°F (10.6°C)	50.3°F (10.2°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 1988	2017
	Ties: 1931, 1943, 1950, 1973, 1986, 1998
Sep 1986–Aug 1989 36-Month	51.6°F (10.9°C)	50.3°F (10.2°C)	1.3°F (0.7°C)	103rd Coolest	Coolest since: 1987	1904
	51.6°F (10.9°C)	50.3°F (10.2°C)	1.3°F (0.7°C)	23rd Warmest	Warmest since: 1988	2018
	Ties: 1987, 1993
Sep 1985–Aug 1989 48-Month	51.5°F (10.8°C)	50.3°F (10.2°C)	1.2°F (0.6°C)	104th Coolest	Coolest since: 1987	1905
	51.5°F (10.8°C)	50.3°F (10.2°C)	1.2°F (0.6°C)	21st Warmest	Warmest since: 1988	2019
	Ties: 1991, 2003, 2017, 2021
Sep 1984–Aug 1989 60-Month	51.4°F (10.8°C)	50.3°F (10.2°C)	1.1°F (0.6°C)	101st Coolest	Coolest since: 1988	1906
	51.4°F (10.8°C)	50.3°F (10.2°C)	1.1°F (0.6°C)	23rd Warmest	Warmest since: 1957	2020
	Ties: 1936, 1992, 2004, 2014, 2017

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published May 2023, retrieved on June 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings