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 1977

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 1977 1-Month	52.0°F (11.1°C)	54.6°F (12.6°C)	-2.6°F (-1.5°C)	23rd Coolest	Coolest since: 1976	1925
	52.0°F (11.1°C)	54.6°F (12.6°C)	-2.6°F (-1.5°C)	106th Warmest	Warmest since: 1975	1963
	Ties: 2020
Sep–Oct 1977 2-Month	59.7°F (15.4°C)	60.4°F (15.8°C)	-0.7°F (-0.4°C)	49th Coolest	Coolest since: 1976	1917
Sep–Oct 1977 2-Month	59.7°F (15.4°C)	60.4°F (15.8°C)	-0.7°F (-0.4°C)	80th Warmest	Warmest since: 1973	1897, 2016
Aug–Oct 1977 3-Month	63.7°F (17.6°C)	64.7°F (18.2°C)	-1.0°F (-0.6°C)	28th Coolest	Coolest since: 1976	1917
	63.7°F (17.6°C)	64.7°F (18.2°C)	-1.0°F (-0.6°C)	101st Warmest	Warmest since: 1975	1947
	Ties: 1895, 1969, 2012
Jul–Oct 1977 4-Month	67.2°F (19.6°C)	67.5°F (19.7°C)	-0.3°F (-0.1°C)	55th Coolest	Coolest since: 1976	1917
	67.2°F (19.6°C)	67.5°F (19.7°C)	-0.3°F (-0.1°C)	74th Warmest	Warmest since: 1973	1936
	Ties: 1943, 1948, 2001, 2003, 2013
Jun–Oct 1977 5-Month	67.9°F (19.9°C)	68.2°F (20.1°C)	-0.3°F (-0.2°C)	51st Coolest	Coolest since: 1976	1917
	67.9°F (19.9°C)	68.2°F (20.1°C)	-0.3°F (-0.2°C)	78th Warmest	Warmest since: 1973	1936
	Ties: 1910, 1925
May–Oct 1977 6-Month	68.1°F (20.1°C)	67.3°F (19.6°C)	0.8°F (0.5°C)	91st Coolest	Coolest since: 1976	1917
	68.1°F (20.1°C)	67.3°F (19.6°C)	0.8°F (0.5°C)	38th Warmest	Warmest since: 1971	1936
	Ties: 1897, 1899, 1930, 1971, 1980, 1986, 2011, 2022
Apr–Oct 1977 7-Month	66.6°F (19.2°C)	65.0°F (18.3°C)	1.6°F (0.9°C)	111th Coolest	Coolest since: 1976	1917
	66.6°F (19.2°C)	65.0°F (18.3°C)	1.6°F (0.9°C)	18th Warmest	Warmest since: 1955	2010
	Ties: 1933
Mar–Oct 1977 8-Month	64.0°F (17.8°C)	61.9°F (16.6°C)	2.1°F (1.2°C)	120th Coolest	Coolest since: 1976	1917
	64.0°F (17.8°C)	61.9°F (16.6°C)	2.1°F (1.2°C)	9th Warmest	Warmest since: 1938	2012
	Ties: 1938
Feb–Oct 1977 9-Month	60.0°F (15.6°C)	58.2°F (14.6°C)	1.8°F (1.0°C)	115th Coolest	Coolest since: 1976	1917
	60.0°F (15.6°C)	58.2°F (14.6°C)	1.8°F (1.0°C)	14th Warmest	Warmest since: 1954	2012
	Ties: 1930, 1931, 1953
Jan–Oct 1977 10-Month	55.0°F (12.8°C)	54.9°F (12.7°C)	0.1°F (0.1°C)	66th Coolest	Coolest since: 1976	1904
	55.0°F (12.8°C)	54.9°F (12.7°C)	0.1°F (0.1°C)	63rd Warmest	Warmest since: 1973	2012
	Ties: 1981
Dec 1976–Oct 1977 11-Month	52.2°F (11.2°C)	52.6°F (11.4°C)	-0.4°F (-0.2°C)	46th Coolest	Coolest since: 1974	1904
	52.2°F (11.2°C)	52.6°F (11.4°C)	-0.4°F (-0.2°C)	82nd Warmest	Warmest since: 1976	2012
	Ties: 1974, 2003
Nov 1976–Oct 1977 12-Month	50.6°F (10.3°C)	51.6°F (10.9°C)	-1.0°F (-0.6°C)	22nd Coolest	Coolest since: 1960	1904
	50.6°F (10.3°C)	51.6°F (10.9°C)	-1.0°F (-0.6°C)	106th Warmest	Warmest since: 1976	2012
	Ties: 1929, 1940
May 1976–Oct 1977 18-Month	55.3°F (12.9°C)	56.9°F (13.8°C)	-1.6°F (-0.9°C)	7th Coolest	Coolest since: 1951	1904
	55.3°F (12.9°C)	56.9°F (13.8°C)	-1.6°F (-0.9°C)	121st Warmest	Warmest since: 1976	2012
	Ties: 1905, 2014
Nov 1975–Oct 1977 24-Month	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1971	1905
	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1976	2017
	Ties: 1910, 1964, 1965, 1993
Nov 1974–Oct 1977 36-Month	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	47th Coolest	Coolest since: 1972	1904, 1979
	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	79th Warmest	Warmest since: 1976	2018
	Ties: 1914, 1945, 1958, 1959, 1966, 1996
Nov 1973–Oct 1977 48-Month	51.4°F (10.8°C)	51.5°F (10.8°C)	-0.1°F (0.0°C)	45th Coolest	Coolest since: 1972	1905
	51.4°F (10.8°C)	51.5°F (10.8°C)	-0.1°F (0.0°C)	80th Warmest	Warmest since: 1976	2019
	Ties: 1899
Nov 1972–Oct 1977 60-Month	51.6°F (10.9°C)	51.5°F (10.8°C)	0.1°F (0.1°C)	53rd Coolest	Coolest since: 1974	1905, 1906
	51.6°F (10.9°C)	51.5°F (10.8°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1976	2002, 2020
	Ties: 1914, 1974, 1986

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published November 2022, retrieved on December 1, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings