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 1931

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 1931 1-Month	58.3°F (14.6°C)	54.6°F (12.6°C)	3.7°F (2.0°C)	113th Coolest	Coolest since: 1930	1925
	58.3°F (14.6°C)	54.6°F (12.6°C)	3.7°F (2.0°C)	16th Warmest	Warmest since: 1924	1963
	Ties: 1946
Sep–Oct 1931 2-Month	65.2°F (18.4°C)	60.5°F (15.8°C)	4.7°F (2.6°C)	126th Coolest	Coolest since: 1930	1917
	65.2°F (18.4°C)	60.5°F (15.8°C)	4.7°F (2.6°C)	3rd Warmest	Warmest since: 1897	1897, 2016
	Ties: 1971
Aug–Oct 1931 3-Month	67.9°F (19.9°C)	64.7°F (18.2°C)	3.2°F (1.7°C)	123rd Coolest	Coolest since: 1930	1917
	67.9°F (19.9°C)	64.7°F (18.2°C)	3.2°F (1.7°C)	6th Warmest	Warmest since: 1900	1947
	Ties: 1936
Jul–Oct 1931 4-Month	70.6°F (21.4°C)	67.5°F (19.7°C)	3.1°F (1.7°C)	126th Coolest	Coolest since: 1930	1917
	70.6°F (21.4°C)	67.5°F (19.7°C)	3.1°F (1.7°C)	3rd Warmest	Warmest since: 1900	1936
	Ties: 1900
Jun–Oct 1931 5-Month	71.4°F (21.9°C)	68.2°F (20.1°C)	3.2°F (1.8°C)	127th Coolest	Coolest since: 1930	1917
	71.4°F (21.9°C)	68.2°F (20.1°C)	3.2°F (1.8°C)	2nd Warmest	Warmest to Date	1936
	Ties: 2016
May–Oct 1931 6-Month	69.2°F (20.7°C)	67.2°F (19.6°C)	2.0°F (1.1°C)	116th Coolest	Coolest since: 1930	1917
	69.2°F (20.7°C)	67.2°F (19.6°C)	2.0°F (1.1°C)	13th Warmest	Warmest since: 1921	1936
	Ties: 1914, 1933, 2021
Apr–Oct 1931 7-Month	66.8°F (19.3°C)	65.0°F (18.3°C)	1.8°F (1.0°C)	115th Coolest	Coolest since: 1930	1917
	66.8°F (19.3°C)	65.0°F (18.3°C)	1.8°F (1.0°C)	14th Warmest	Warmest since: 1921	2010
	Ties: 1954, 2021
Mar–Oct 1931 8-Month	62.9°F (17.2°C)	61.8°F (16.6°C)	1.1°F (0.6°C)	99th Coolest	Coolest since: 1930	1917
	62.9°F (17.2°C)	61.8°F (16.6°C)	1.1°F (0.6°C)	30th Warmest	Warmest since: 1922	2012
	Ties: 1959, 2011
Feb–Oct 1931 9-Month	60.0°F (15.6°C)	58.2°F (14.6°C)	1.8°F (1.0°C)	115th Coolest	Coolest since: 1930	1917
	60.0°F (15.6°C)	58.2°F (14.6°C)	1.8°F (1.0°C)	14th Warmest	Warmest since: 1930	2012
	Ties: 1930, 1953, 1977
Jan–Oct 1931 10-Month	57.1°F (13.9°C)	54.9°F (12.7°C)	2.2°F (1.2°C)	118th Coolest	Coolest since: 1930	1904
Jan–Oct 1931 10-Month	57.1°F (13.9°C)	54.9°F (12.7°C)	2.2°F (1.2°C)	11th Warmest	Warmest since: 1921	2012
Dec 1930–Oct 1931 11-Month	54.6°F (12.6°C)	52.6°F (11.4°C)	2.0°F (1.2°C)	113th Coolest	Coolest since: 1930	1904
	54.6°F (12.6°C)	52.6°F (11.4°C)	2.0°F (1.2°C)	15th Warmest	Warmest since: 1921	2012
	Ties: 1919, 1934, 1983
Nov 1930–Oct 1931 12-Month	53.6°F (12.0°C)	51.7°F (10.9°C)	1.9°F (1.1°C)	113th Coolest	Coolest since: 1930	1904
	53.6°F (12.0°C)	51.7°F (10.9°C)	1.9°F (1.1°C)	15th Warmest	Warmest since: 1921	2012
	Ties: 2010
May 1930–Oct 1931 18-Month	58.4°F (14.7°C)	56.8°F (13.8°C)	1.6°F (0.9°C)	115th Coolest	Coolest since: 1930	1904
	58.4°F (14.7°C)	56.8°F (13.8°C)	1.6°F (0.9°C)	13th Warmest	Warmest since: 1922	2012
	Ties: 2005, 2007
Nov 1929–Oct 1931 24-Month	52.8°F (11.6°C)	51.6°F (10.9°C)	1.2°F (0.7°C)	104th Coolest	Coolest since: 1930	1905
	52.8°F (11.6°C)	51.6°F (10.9°C)	1.2°F (0.7°C)	23rd Warmest	Warmest since: 1922	2017
	Ties: 2003, 2008, 2011
Nov 1928–Oct 1931 36-Month	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	84th Coolest	Coolest since: 1930	1904, 1979
	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	42nd Warmest	Warmest since: 1923	2018
	Ties: 1990, 2009, 2011
Nov 1927–Oct 1931 48-Month	51.8°F (11.0°C)	51.5°F (10.8°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1930	1905
	51.8°F (11.0°C)	51.5°F (10.8°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 1924	2019
	Ties: 1916, 1943, 1950, 1958, 1974
Nov 1926–Oct 1931 60-Month	51.7°F (10.9°C)	51.5°F (10.8°C)	0.2°F (0.1°C)	57th Coolest	Coolest since: 1930	1905, 1906
	51.7°F (10.9°C)	51.5°F (10.8°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1925	2002, 2020
	Ties: 1948, 1975

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings