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 1955

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1955 1-Month	69.8°F (21.0°C)	73.9°F (23.3°C)	-4.1°F (-2.3°C)	6th Coolest	Coolest since: 1928	1903
	69.8°F (21.0°C)	73.9°F (23.3°C)	-4.1°F (-2.3°C)	123rd Warmest	Warmest since: 1954	1952
	Ties: 1982
May–Jun 1955 2-Month	68.4°F (20.2°C)	69.5°F (20.8°C)	-1.1°F (-0.6°C)	34th Coolest	Coolest since: 1947	1907
	68.4°F (20.2°C)	69.5°F (20.8°C)	-1.1°F (-0.6°C)	95th Warmest	Warmest since: 1954	2018
	Ties: 1916, 1968, 1979, 1990
Apr–Jun 1955 3-Month	66.0°F (18.9°C)	64.8°F (18.2°C)	1.2°F (0.7°C)	91st Coolest	Coolest since: 1951	1907
	66.0°F (18.9°C)	64.8°F (18.2°C)	1.2°F (0.7°C)	38th Warmest	Warmest since: 1954	2010
	Ties: 1930, 2005
Mar–Jun 1955 4-Month	60.8°F (16.0°C)	59.7°F (15.4°C)	1.1°F (0.6°C)	88th Coolest	Coolest since: 1954	1960
Mar–Jun 1955 4-Month	60.8°F (16.0°C)	59.7°F (15.4°C)	1.1°F (0.6°C)	41st Warmest	Warmest since: 1953	2012
Feb–Jun 1955 5-Month	55.8°F (13.2°C)	54.8°F (12.7°C)	1.0°F (0.5°C)	85th Coolest	Coolest since: 1951	1912, 1960, 1978
Feb–Jun 1955 5-Month	55.8°F (13.2°C)	54.8°F (12.7°C)	1.0°F (0.5°C)	44th Warmest	Warmest since: 1954	2012
Jan–Jun 1955 6-Month	52.0°F (11.1°C)	50.8°F (10.4°C)	1.2°F (0.7°C)	94th Coolest	Coolest since: 1951	1912, 1978
	52.0°F (11.1°C)	50.8°F (10.4°C)	1.2°F (0.7°C)	35th Warmest	Warmest since: 1954	2012
	Ties: 1922, 1934, 2009, 2011, 2018
Dec 1954–Jun 1955 7-Month	49.6°F (9.8°C)	48.4°F (9.1°C)	1.2°F (0.7°C)	89th Coolest	Coolest since: 1951	1978
	49.6°F (9.8°C)	48.4°F (9.1°C)	1.2°F (0.7°C)	39th Warmest	Warmest since: 1954	2012
	Ties: 1941, 1972, 1995
Nov 1954–Jun 1955 8-Month	49.0°F (9.4°C)	48.0°F (8.9°C)	1.0°F (0.5°C)	86th Coolest	Coolest since: 1951	1912
	49.0°F (9.4°C)	48.0°F (8.9°C)	1.0°F (0.5°C)	42nd Warmest	Warmest since: 1954	2012
	Ties: 1933, 1950
Oct 1954–Jun 1955 9-Month	50.0°F (10.0°C)	49.1°F (9.5°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 1951	1912, 1978
	50.0°F (10.0°C)	49.1°F (9.5°C)	0.9°F (0.5°C)	40th Warmest	Warmest since: 1954	2012
	Ties: 1898, 1911, 1938, 2010, 2021
Sep 1954–Jun 1955 10-Month	52.3°F (11.3°C)	51.1°F (10.6°C)	1.2°F (0.7°C)	97th Coolest	Coolest since: 1952	1978
	52.3°F (11.3°C)	51.1°F (10.6°C)	1.2°F (0.7°C)	31st Warmest	Warmest since: 1954	2012
	Ties: 1925, 1957
Aug 1954–Jun 1955 11-Month	54.8°F (12.7°C)	53.3°F (11.8°C)	1.5°F (0.9°C)	109th Coolest	Coolest since: 1953	1904, 1978
	54.8°F (12.7°C)	53.3°F (11.8°C)	1.5°F (0.9°C)	19th Warmest	Warmest since: 1954	2012
	Ties: 1972, 1998
Jul 1954–Jun 1955 12-Month	57.1°F (13.9°C)	55.4°F (13.0°C)	1.7°F (0.9°C)	115th Coolest	Coolest since: 1953	1904, 1912, 1918, 1978
	57.1°F (13.9°C)	55.4°F (13.0°C)	1.7°F (0.9°C)	13th Warmest	Warmest since: 1954	2012
	Ties: 2002
Jan 1954–Jun 1955 18-Month	55.8°F (13.2°C)	53.9°F (12.2°C)	1.9°F (1.0°C)	114th Coolest	Coolest since: 1953	1979
	55.8°F (13.2°C)	53.9°F (12.2°C)	1.9°F (1.0°C)	14th Warmest	Warmest since: 1954	2017
	Ties: 2016
Jul 1953–Jun 1955 24-Month	57.2°F (14.0°C)	55.4°F (13.0°C)	1.8°F (1.0°C)	118th Coolest	Coolest since: 1954	1978, 1979
	57.2°F (14.0°C)	55.4°F (13.0°C)	1.8°F (1.0°C)	9th Warmest	Warmest since: 1933	2017
	Ties: 1999, 2006
Jul 1952–Jun 1955 36-Month	57.0°F (13.9°C)	55.4°F (13.0°C)	1.6°F (0.9°C)	115th Coolest	Coolest since: 1954	1979
	57.0°F (13.9°C)	55.4°F (13.0°C)	1.6°F (0.9°C)	11th Warmest	Warmest since: 1934	2018
	Ties: 2008
Jul 1951–Jun 1955 48-Month	56.7°F (13.7°C)	55.3°F (12.9°C)	1.4°F (0.8°C)	113th Coolest	Coolest since: 1954	1980
	56.7°F (13.7°C)	55.3°F (12.9°C)	1.4°F (0.8°C)	12th Warmest	Warmest since: 1935	2019
	Ties: 1956, 2009
Jul 1950–Jun 1955 60-Month	56.0°F (13.3°C)	55.3°F (12.9°C)	0.7°F (0.4°C)	85th Coolest	Coolest since: 1954	1980
	56.0°F (13.3°C)	55.3°F (12.9°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 1943	2020
	Ties: 1937, 1943

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