Statewide 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

Average Temperature Rankings, October 1927

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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
October 1927 1-Month	57.6°F (14.2°C)	54.6°F (12.6°C)	3.0°F (1.6°C)	106th Coolest	Coolest since: 1926	1925
	57.6°F (14.2°C)	54.6°F (12.6°C)	3.0°F (1.6°C)	23rd Warmest	Warmest since: 1924	1963
	Ties: 1941
Sep–Oct 1927 2-Month	63.7°F (17.6°C)	60.5°F (15.8°C)	3.2°F (1.8°C)	116th Coolest	Coolest since: 1926	1917
Sep–Oct 1927 2-Month	63.7°F (17.6°C)	60.5°F (15.8°C)	3.2°F (1.8°C)	13th Warmest	Warmest since: 1920	1897
Aug–Oct 1927 3-Month	65.1°F (18.4°C)	64.8°F (18.2°C)	0.3°F (0.2°C)	77th Coolest	Coolest since: 1926	1917
	65.1°F (18.4°C)	64.8°F (18.2°C)	0.3°F (0.2°C)	52nd Warmest	Warmest since: 1922	1947
	Ties: 1901, 1934, 1935
Jul–Oct 1927 4-Month	67.3°F (19.6°C)	67.5°F (19.7°C)	-0.2°F (-0.1°C)	65th Coolest	Coolest since: 1925	1917
	67.3°F (19.6°C)	67.5°F (19.7°C)	-0.2°F (-0.1°C)	64th Warmest	Warmest since: 1926	1936
	Ties: 1912, 1937, 1946, 1949, 2013
Jun–Oct 1927 5-Month	67.3°F (19.6°C)	68.2°F (20.1°C)	-0.9°F (-0.5°C)	29th Coolest	Coolest since: 1924	1917
	67.3°F (19.6°C)	68.2°F (20.1°C)	-0.9°F (-0.5°C)	100th Warmest	Warmest since: 1926	1936
	Ties: 1981, 1996, 2003
May–Oct 1927 6-Month	66.1°F (18.9°C)	67.2°F (19.6°C)	-1.1°F (-0.7°C)	18th Coolest	Coolest since: 1924	1917
	66.1°F (18.9°C)	67.2°F (19.6°C)	-1.1°F (-0.7°C)	111th Warmest	Warmest since: 1926	1936
	Ties: 1910, 1928
Apr–Oct 1927 7-Month	64.1°F (17.8°C)	65.0°F (18.3°C)	-0.9°F (-0.5°C)	28th Coolest	Coolest since: 1926	1917
	64.1°F (17.8°C)	65.0°F (18.3°C)	-0.9°F (-0.5°C)	101st Warmest	Warmest since: 1925	2010
	Ties: 1910, 1972, 1979, 1989, 1990
Mar–Oct 1927 8-Month	61.4°F (16.3°C)	61.8°F (16.6°C)	-0.4°F (-0.3°C)	42nd Coolest	Coolest since: 1926	1917
	61.4°F (16.3°C)	61.8°F (16.6°C)	-0.4°F (-0.3°C)	87th Warmest	Warmest since: 1925	2012
	Ties: 1903, 1916, 1920, 1940, 1957
Feb–Oct 1927 9-Month	58.7°F (14.8°C)	58.2°F (14.6°C)	0.5°F (0.2°C)	82nd Coolest	Coolest since: 1926	1917
	58.7°F (14.8°C)	58.2°F (14.6°C)	0.5°F (0.2°C)	47th Warmest	Warmest since: 1925	2012
	Ties: 1949, 1988, 2019
Jan–Oct 1927 10-Month	55.3°F (12.9°C)	54.9°F (12.7°C)	0.4°F (0.2°C)	78th Coolest	Coolest since: 1926	1904
	55.3°F (12.9°C)	54.9°F (12.7°C)	0.4°F (0.2°C)	51st Warmest	Warmest since: 1925	2012
	Ties: 1896, 1959, 2019
Dec 1926–Oct 1927 11-Month	52.7°F (11.5°C)	52.6°F (11.4°C)	0.1°F (0.1°C)	66th Coolest	Coolest since: 1926	1904
	52.7°F (11.5°C)	52.6°F (11.4°C)	0.1°F (0.1°C)	62nd Warmest	Warmest since: 1925	2012
	Ties: 1898, 1976, 2011
Nov 1926–Oct 1927 12-Month	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1926	1904
	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1925	2012
	Ties: 1909, 1943, 2008, 2015
May 1926–Oct 1927 18-Month	56.5°F (13.6°C)	56.8°F (13.8°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest since: 1926	1904
	56.5°F (13.6°C)	56.8°F (13.8°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 1923	2012
	Ties: 1930, 1943, 1960, 1980
Nov 1925–Oct 1927 24-Month	50.9°F (10.5°C)	51.6°F (10.9°C)	-0.7°F (-0.4°C)	22nd Coolest	Coolest since: 1924	1905
	50.9°F (10.5°C)	51.6°F (10.9°C)	-0.7°F (-0.4°C)	105th Warmest	Warmest since: 1926	2017
	Ties: 1907, 1916, 1929, 1969, 1982
Nov 1924–Oct 1927 36-Month	51.2°F (10.7°C)	51.6°F (10.9°C)	-0.4°F (-0.2°C)	31st Coolest	Coolest since: 1926	1904, 1979
	51.2°F (10.7°C)	51.6°F (10.9°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1925	2018
	Ties: 1899, 1920, 1925, 1951, 1964, 1997
Nov 1923–Oct 1927 48-Month	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	17th Coolest	Coolest since: 1926	1905
	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	108th Warmest	Warmest since: 1926	2019
	Ties: 1908, 1912, 1917, 1926, 1961, 1969, 1971
Nov 1922–Oct 1927 60-Month	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	15th Coolest	Coolest since: 1920	1905, 1906
	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	109th Warmest	Warmest since: 1926	2002, 2020
	Ties: 1902, 1962, 1964, 1969, 1971, 1978

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings