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 1915

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1915 1-Month	71.0°F (21.7°C)	73.9°F (23.3°C)	-2.9°F (-1.6°C)	14th Coolest	Coolest since: 1912	1903
June 1915 1-Month	71.0°F (21.7°C)	73.9°F (23.3°C)	-2.9°F (-1.6°C)	115th Warmest	Warmest since: 1914	1952
May–Jun 1915 2-Month	67.7°F (19.8°C)	69.5°F (20.8°C)	-1.8°F (-1.0°C)	21st Coolest	Coolest since: 1910	1907
	67.7°F (19.8°C)	69.5°F (20.8°C)	-1.8°F (-1.0°C)	108th Warmest	Warmest since: 1914	2018
	Ties: 1960, 1983
Apr–Jun 1915 3-Month	65.5°F (18.6°C)	64.8°F (18.2°C)	0.7°F (0.4°C)	75th Coolest	Coolest since: 1913	1907
	65.5°F (18.6°C)	64.8°F (18.2°C)	0.7°F (0.4°C)	54th Warmest	Warmest since: 1914	2010
	Ties: 1906, 1942
Mar–Jun 1915 4-Month	58.4°F (14.7°C)	59.8°F (15.4°C)	-1.4°F (-0.7°C)	26th Coolest	Coolest since: 1912	1960
	58.4°F (14.7°C)	59.8°F (15.4°C)	-1.4°F (-0.7°C)	103rd Warmest	Warmest since: 1914	2012
	Ties: 1931, 1978
Feb–Jun 1915 5-Month	54.4°F (12.4°C)	54.7°F (12.6°C)	-0.3°F (-0.2°C)	54th Coolest	Coolest since: 1914	1912, 1960, 1978
Feb–Jun 1915 5-Month	54.4°F (12.4°C)	54.7°F (12.6°C)	-0.3°F (-0.2°C)	75th Warmest	Warmest since: 1911	2012
Jan–Jun 1915 6-Month	50.1°F (10.1°C)	50.8°F (10.4°C)	-0.7°F (-0.3°C)	44th Coolest	Coolest since: 1912	1912, 1978
	50.1°F (10.1°C)	50.8°F (10.4°C)	-0.7°F (-0.3°C)	85th Warmest	Warmest since: 1914	2012
	Ties: 1907, 1948
Dec 1914–Jun 1915 7-Month	46.9°F (8.3°C)	48.4°F (9.1°C)	-1.5°F (-0.8°C)	20th Coolest	Coolest since: 1912	1978
	46.9°F (8.3°C)	48.4°F (9.1°C)	-1.5°F (-0.8°C)	108th Warmest	Warmest since: 1914	2012
	Ties: 1905, 1928, 1960
Nov 1914–Jun 1915 8-Month	47.0°F (8.3°C)	48.0°F (8.9°C)	-1.0°F (-0.6°C)	29th Coolest	Coolest since: 1912	1912
	47.0°F (8.3°C)	48.0°F (8.9°C)	-1.0°F (-0.6°C)	99th Warmest	Warmest since: 1914	2012
	Ties: 1928, 1929, 2001, 2003
Oct 1914–Jun 1915 9-Month	48.3°F (9.1°C)	49.1°F (9.5°C)	-0.8°F (-0.4°C)	33rd Coolest	Coolest since: 1912	1912, 1978
	48.3°F (9.1°C)	49.1°F (9.5°C)	-0.8°F (-0.4°C)	95th Warmest	Warmest since: 1914	2012
	Ties: 1907
Sep 1914–Jun 1915 10-Month	50.3°F (10.2°C)	51.1°F (10.6°C)	-0.8°F (-0.4°C)	34th Coolest	Coolest since: 1912	1978
	50.3°F (10.2°C)	51.1°F (10.6°C)	-0.8°F (-0.4°C)	94th Warmest	Warmest since: 1914	2012
	Ties: 1897
Aug 1914–Jun 1915 11-Month	52.8°F (11.6°C)	53.4°F (11.9°C)	-0.6°F (-0.3°C)	38th Coolest	Coolest since: 1912	1904, 1978
	52.8°F (11.6°C)	53.4°F (11.9°C)	-0.6°F (-0.3°C)	90th Warmest	Warmest since: 1914	2012
	Ties: 1916
Jul 1914–Jun 1915 12-Month	55.2°F (12.9°C)	55.4°F (13.0°C)	-0.2°F (-0.1°C)	51st Coolest	Coolest since: 1912	1904, 1912, 1918, 1978
	55.2°F (12.9°C)	55.4°F (13.0°C)	-0.2°F (-0.1°C)	77th Warmest	Warmest since: 1914	2012
	Ties: 2003
Jan 1914–Jun 1915 18-Month	53.9°F (12.2°C)	53.9°F (12.2°C)	0.0°F (0.0°C)	60th Coolest	Coolest since: 1913	1979
	53.9°F (12.2°C)	53.9°F (12.2°C)	0.0°F (0.0°C)	68th Warmest	Warmest since: 1914	2017
	Ties: 1901, 1981, 2009
Jul 1913–Jun 1915 24-Month	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	89th Coolest	Coolest since: 1914	1978, 1979
	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	38th Warmest	Warmest since: 1914	2017
	Ties: 1914, 2002, 2004, 2011
Jul 1912–Jun 1915 36-Month	55.7°F (13.2°C)	55.3°F (12.9°C)	0.4°F (0.3°C)	77th Coolest	Coolest since: 1914	1979
	55.7°F (13.2°C)	55.3°F (12.9°C)	0.4°F (0.3°C)	49th Warmest	Warmest to Date	2018
	Ties: 1924, 1937, 1938, 1946, 2003, 2016
Jul 1911–Jun 1915 48-Month	55.0°F (12.8°C)	55.3°F (12.9°C)	-0.3°F (-0.1°C)	31st Coolest	Coolest since: 1913	1980
	55.0°F (12.8°C)	55.3°F (12.9°C)	-0.3°F (-0.1°C)	94th Warmest	Warmest since: 1914	2019
	Ties: 1899, 1930, 1964, 1997
Jul 1910–Jun 1915 60-Month	55.2°F (12.9°C)	55.3°F (12.9°C)	-0.1°F (0.0°C)	47th Coolest	Coolest since: 1914	1980
	55.2°F (12.9°C)	55.3°F (12.9°C)	-0.1°F (0.0°C)	77th Warmest	Warmest since: 1914	2020
	Ties: 1914, 1931

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings