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 2001

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 2001 1-Month	72.6°F (22.6°C)	73.9°F (23.3°C)	-1.3°F (-0.7°C)	33rd Coolest	Coolest since: 1997	1903
	72.6°F (22.6°C)	73.9°F (23.3°C)	-1.3°F (-0.7°C)	96th Warmest	Warmest since: 2000	1952
	Ties: 1947
May–Jun 2001 2-Month	69.9°F (21.1°C)	69.5°F (20.8°C)	0.4°F (0.3°C)	73rd Coolest	Coolest since: 1997	1907
	69.9°F (21.1°C)	69.5°F (20.8°C)	0.4°F (0.3°C)	56th Warmest	Warmest since: 2000	2018
	Ties: 1895, 1970, 2021
Apr–Jun 2001 3-Month	67.2°F (19.6°C)	64.8°F (18.2°C)	2.4°F (1.4°C)	117th Coolest	Coolest since: 2000	1907
Apr–Jun 2001 3-Month	67.2°F (19.6°C)	64.8°F (18.2°C)	2.4°F (1.4°C)	12th Warmest	Warmest since: 1991	2010
Mar–Jun 2001 4-Month	60.6°F (15.9°C)	59.7°F (15.4°C)	0.9°F (0.5°C)	86th Coolest	Coolest since: 1999	1960
	60.6°F (15.9°C)	59.7°F (15.4°C)	0.9°F (0.5°C)	43rd Warmest	Warmest since: 2000	2012
	Ties: 1941, 1954, 1981
Feb–Jun 2001 5-Month	56.1°F (13.4°C)	54.8°F (12.7°C)	1.3°F (0.7°C)	95th Coolest	Coolest since: 1997	1912, 1960, 1978
	56.1°F (13.4°C)	54.8°F (12.7°C)	1.3°F (0.7°C)	34th Warmest	Warmest since: 2000	2012
	Ties: 1927, 1959, 1964, 1992
Jan–Jun 2001 6-Month	51.8°F (11.0°C)	50.8°F (10.4°C)	1.0°F (0.6°C)	86th Coolest	Coolest since: 1997	1912, 1978
	51.8°F (11.0°C)	50.8°F (10.4°C)	1.0°F (0.6°C)	43rd Warmest	Warmest since: 2000	2012
	Ties: 1898, 1927, 1974
Dec 2000–Jun 2001 7-Month	47.6°F (8.7°C)	48.5°F (9.2°C)	-0.9°F (-0.5°C)	37th Coolest	Coolest since: 1993	1978
Dec 2000–Jun 2001 7-Month	47.6°F (8.7°C)	48.5°F (9.2°C)	-0.9°F (-0.5°C)	91st Warmest	Warmest since: 2000	2012
Nov 2000–Jun 2001 8-Month	47.0°F (8.3°C)	48.0°F (8.9°C)	-1.0°F (-0.6°C)	29th Coolest	Coolest since: 1997	1912
	47.0°F (8.3°C)	48.0°F (8.9°C)	-1.0°F (-0.6°C)	99th Warmest	Warmest since: 2000	2012
	Ties: 1915, 1928, 1929, 2003
Oct 2000–Jun 2001 9-Month	48.5°F (9.2°C)	49.1°F (9.5°C)	-0.6°F (-0.3°C)	36th Coolest	Coolest since: 1997	1912, 1978
	48.5°F (9.2°C)	49.1°F (9.5°C)	-0.6°F (-0.3°C)	92nd Warmest	Warmest since: 2000	2012
	Ties: 1910, 1928, 1929, 1937, 1971, 1973, 1994
Sep 2000–Jun 2001 10-Month	50.4°F (10.2°C)	51.0°F (10.6°C)	-0.6°F (-0.4°C)	36th Coolest	Coolest since: 1997	1978
	50.4°F (10.2°C)	51.0°F (10.6°C)	-0.6°F (-0.4°C)	92nd Warmest	Warmest since: 2000	2012
	Ties: 1910, 2003
Aug 2000–Jun 2001 11-Month	53.0°F (11.7°C)	53.4°F (11.9°C)	-0.4°F (-0.2°C)	43rd Coolest	Coolest since: 1997	1904, 1978
	53.0°F (11.7°C)	53.4°F (11.9°C)	-0.4°F (-0.2°C)	85th Warmest	Warmest since: 2000	2012
	Ties: 1903, 1910, 1930, 1945
Jul 2000–Jun 2001 12-Month	54.9°F (12.7°C)	55.4°F (13.0°C)	-0.5°F (-0.3°C)	40th Coolest	Coolest since: 1997	1904, 1912, 1918, 1978
	54.9°F (12.7°C)	55.4°F (13.0°C)	-0.5°F (-0.3°C)	88th Warmest	Warmest since: 2000	2012
	Ties: 1907, 1910
Jan 2000–Jun 2001 18-Month	54.4°F (12.4°C)	53.8°F (12.1°C)	0.6°F (0.3°C)	85th Coolest	Coolest since: 1997	1979
	54.4°F (12.4°C)	53.8°F (12.1°C)	0.6°F (0.3°C)	43rd Warmest	Warmest since: 2000	2017
	Ties: 1950, 1965, 1976, 2010
Jul 1999–Jun 2001 24-Month	56.3°F (13.5°C)	55.4°F (13.0°C)	0.9°F (0.5°C)	98th Coolest	Coolest since: 1998	1978, 1979
	56.3°F (13.5°C)	55.4°F (13.0°C)	0.9°F (0.5°C)	29th Warmest	Warmest since: 2000	2017
	Ties: 1923, 1938
Jul 1998–Jun 2001 36-Month	56.8°F (13.8°C)	55.4°F (13.0°C)	1.4°F (0.8°C)	113th Coolest	Coolest since: 1999	1979
	56.8°F (13.8°C)	55.4°F (13.0°C)	1.4°F (0.8°C)	13th Warmest	Warmest since: 2000	2018
	Ties: 1932, 2022
Jul 1997–Jun 2001 48-Month	56.8°F (13.8°C)	55.4°F (13.0°C)	1.4°F (0.8°C)	116th Coolest	Coolest since: 2000	1980
	56.8°F (13.8°C)	55.4°F (13.0°C)	1.4°F (0.8°C)	9th Warmest	Warmest since: 1935	2019
	Ties: 2002, 2012
Jul 1996–Jun 2001 60-Month	56.2°F (13.4°C)	55.3°F (12.9°C)	0.9°F (0.5°C)	100th Coolest	Coolest since: 2000	1980
	56.2°F (13.4°C)	55.3°F (12.9°C)	0.9°F (0.5°C)	24th Warmest	Warmest since: 2000	2020
	Ties: 1933, 1942, 2000, 2011, 2015

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings