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 1947

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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 1947 1-Month	62.2°F (16.8°C)	54.6°F (12.6°C)	7.6°F (4.2°C)	127th Coolest	Coolest since: 1946	1925
October 1947 1-Month	62.2°F (16.8°C)	54.6°F (12.6°C)	7.6°F (4.2°C)	2nd Warmest	Warmest to Date	1963
Sep–Oct 1947 2-Month	65.0°F (18.3°C)	60.5°F (15.8°C)	4.5°F (2.5°C)	124th Coolest	Coolest since: 1946	1917
Sep–Oct 1947 2-Month	65.0°F (18.3°C)	60.5°F (15.8°C)	4.5°F (2.5°C)	5th Warmest	Warmest since: 1931	1897
Aug–Oct 1947 3-Month	70.2°F (21.2°C)	64.8°F (18.2°C)	5.4°F (3.0°C)	128th Coolest	Coolest since: 1946	1917
Aug–Oct 1947 3-Month	70.2°F (21.2°C)	64.8°F (18.2°C)	5.4°F (3.0°C)	1st Warmest	Warmest to Date	1947
Jul–Oct 1947 4-Month	70.8°F (21.6°C)	67.5°F (19.7°C)	3.3°F (1.9°C)	127th Coolest	Coolest since: 1946	1917
Jul–Oct 1947 4-Month	70.8°F (21.6°C)	67.5°F (19.7°C)	3.3°F (1.9°C)	2nd Warmest	Warmest since: 1936	1936
Jun–Oct 1947 5-Month	70.4°F (21.3°C)	68.2°F (20.1°C)	2.2°F (1.2°C)	115th Coolest	Coolest since: 1946	1917
	70.4°F (21.3°C)	68.2°F (20.1°C)	2.2°F (1.2°C)	14th Warmest	Warmest since: 1936	1936
	Ties: 1933
May–Oct 1947 6-Month	68.4°F (20.2°C)	67.2°F (19.6°C)	1.2°F (0.6°C)	99th Coolest	Coolest since: 1946	1917
May–Oct 1947 6-Month	68.4°F (20.2°C)	67.2°F (19.6°C)	1.2°F (0.6°C)	30th Warmest	Warmest since: 1944	1936
Apr–Oct 1947 7-Month	65.9°F (18.8°C)	65.0°F (18.3°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1946	1917
	65.9°F (18.8°C)	65.0°F (18.3°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1944	2010
	Ties: 1899, 1919, 2002, 2011, 2019
Mar–Oct 1947 8-Month	61.8°F (16.6°C)	61.8°F (16.6°C)	0.0°F (0.0°C)	56th Coolest	Coolest since: 1945	1917
	61.8°F (16.6°C)	61.8°F (16.6°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1946	2012
	Ties: 1896, 1898, 1899, 1962, 1980
Feb–Oct 1947 9-Month	57.5°F (14.2°C)	58.2°F (14.6°C)	-0.7°F (-0.4°C)	37th Coolest	Coolest since: 1937	1917
	57.5°F (14.2°C)	58.2°F (14.6°C)	-0.7°F (-0.4°C)	92nd Warmest	Warmest since: 1946	2012
	Ties: 1903, 1980
Jan–Oct 1947 10-Month	54.8°F (12.7°C)	54.9°F (12.7°C)	-0.1°F (0.0°C)	59th Coolest	Coolest since: 1945	1904
	54.8°F (12.7°C)	54.9°F (12.7°C)	-0.1°F (0.0°C)	70th Warmest	Warmest since: 1946	2012
	Ties: 1901, 1971, 1976, 2013
Dec 1946–Oct 1947 11-Month	52.9°F (11.6°C)	52.6°F (11.4°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1945	1904
	52.9°F (11.6°C)	52.6°F (11.4°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 1946	2012
	Ties: 1900
Nov 1946–Oct 1947 12-Month	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	83rd Coolest	Coolest since: 1945	1904
	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	45th Warmest	Warmest since: 1946	2012
	Ties: 1897, 1913, 1976
May 1946–Oct 1947 18-Month	57.0°F (13.9°C)	56.8°F (13.8°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1946	1904
	57.0°F (13.9°C)	56.8°F (13.8°C)	0.2°F (0.1°C)	58th Warmest	Warmest since: 1944	2012
	Ties: 1897, 1913, 1923, 1950, 1972, 1974, 1985
Nov 1945–Oct 1947 24-Month	52.3°F (11.3°C)	51.6°F (10.9°C)	0.7°F (0.4°C)	90th Coolest	Coolest since: 1946	1905
	52.3°F (11.3°C)	51.6°F (10.9°C)	0.7°F (0.4°C)	37th Warmest	Warmest since: 1942	2017
	Ties: 2019, 2020
Nov 1944–Oct 1947 36-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	76th Coolest	Coolest since: 1946	1904, 1979
	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	50th Warmest	Warmest since: 1946	2018
	Ties: 1915, 1938, 1946, 1948, 1949, 1973, 2010
Nov 1943–Oct 1947 48-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1946	1905
	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	53rd Warmest	Warmest since: 1944	2019
	Ties: 1937, 1938, 1958, 1976, 2011
Nov 1942–Oct 1947 60-Month	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	64th Coolest	Coolest since: 1931	1905, 1906
	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1946	2002, 2020
	Ties: 1953, 1959, 1976, 1998

Citing This Page

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