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 5. East

Average Temperature Rankings, May 1948

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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
May 1948 1-Month	58.6°F (14.8°C)	61.0°F (16.1°C)	-2.4°F (-1.3°C)	34th Coolest	Coolest since: 1947	1907
	58.6°F (14.8°C)	61.0°F (16.1°C)	-2.4°F (-1.3°C)	95th Warmest	Warmest since: 1944	2018
	Ties: 1971
Apr–May 1948 2-Month	56.4°F (13.6°C)	55.5°F (13.1°C)	0.9°F (0.5°C)	82nd Coolest	Coolest since: 1947	1907
	56.4°F (13.6°C)	55.5°F (13.1°C)	0.9°F (0.5°C)	47th Warmest	Warmest since: 1944	1977
	Ties: 2003, 2019, 2022
Mar–May 1948 3-Month	50.3°F (10.2°C)	49.7°F (9.8°C)	0.6°F (0.4°C)	76th Coolest	Coolest since: 1947	1960
	50.3°F (10.2°C)	49.7°F (9.8°C)	0.6°F (0.4°C)	53rd Warmest	Warmest since: 1946	2012
	Ties: 1949, 1970
Feb–May 1948 4-Month	44.6°F (7.0°C)	44.2°F (6.8°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1947	1978
	44.6°F (7.0°C)	44.2°F (6.8°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1946	2012
	Ties: 1932, 2002
Jan–May 1948 5-Month	39.6°F (4.2°C)	40.1°F (4.5°C)	-0.5°F (-0.3°C)	46th Coolest	Coolest since: 1947	1978
	39.6°F (4.2°C)	40.1°F (4.5°C)	-0.5°F (-0.3°C)	83rd Warmest	Warmest since: 1946	2012
	Ties: 1914, 1961, 2003
Dec 1947–May 1948 6-Month	38.1°F (3.4°C)	38.1°F (3.4°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1947	1904, 1978
	38.1°F (3.4°C)	38.1°F (3.4°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1946	2012
	Ties: 1913, 1967, 2003
Nov 1947–May 1948 7-Month	37.6°F (3.1°C)	38.3°F (3.5°C)	-0.7°F (-0.4°C)	37th Coolest	Coolest since: 1943	1904
	37.6°F (3.1°C)	38.3°F (3.5°C)	-0.7°F (-0.4°C)	91st Warmest	Warmest since: 1947	2012
	Ties: 1924, 1980
Oct 1947–May 1948 8-Month	40.5°F (4.7°C)	40.2°F (4.6°C)	0.3°F (0.1°C)	72nd Coolest	Coolest since: 1947	1904
	40.5°F (4.7°C)	40.2°F (4.6°C)	0.3°F (0.1°C)	56th Warmest	Warmest since: 1946	2012
	Ties: 1934
Sep 1947–May 1948 9-Month	43.3°F (6.3°C)	43.0°F (6.1°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1947	1904
	43.3°F (6.3°C)	43.0°F (6.1°C)	0.3°F (0.2°C)	55th Warmest	Warmest since: 1946	2012
	Ties: 1935, 1981
Aug 1947–May 1948 10-Month	46.9°F (8.3°C)	45.9°F (7.7°C)	1.0°F (0.6°C)	94th Coolest	Coolest since: 1947	1904
	46.9°F (8.3°C)	45.9°F (7.7°C)	1.0°F (0.6°C)	34th Warmest	Warmest since: 1942	2012
	Ties: 1931, 1941, 1957
Jul 1947–May 1948 11-Month	49.1°F (9.5°C)	48.5°F (9.2°C)	0.6°F (0.3°C)	79th Coolest	Coolest since: 1947	1904
	49.1°F (9.5°C)	48.5°F (9.2°C)	0.6°F (0.3°C)	49th Warmest	Warmest since: 1942	2012
	Ties: 1956, 1990, 2011
Jun 1947–May 1948 12-Month	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1947	1904
	50.7°F (10.4°C)	50.3°F (10.2°C)	0.4°F (0.2°C)	58th Warmest	Warmest since: 1945	2012
	Ties: 2010
Dec 1946–May 1948 18-Month	46.1°F (7.8°C)	46.2°F (7.9°C)	-0.1°F (-0.1°C)	55th Coolest	Coolest since: 1944	1905
	46.1°F (7.8°C)	46.2°F (7.9°C)	-0.1°F (-0.1°C)	72nd Warmest	Warmest since: 1947	2017
	Ties: 1941, 2009
Jun 1946–May 1948 24-Month	50.3°F (10.2°C)	50.3°F (10.2°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1947	1905
Jun 1946–May 1948 24-Month	50.3°F (10.2°C)	50.3°F (10.2°C)	0.0°F (0.0°C)	69th Warmest	Warmest since: 1946	2017
Jun 1945–May 1948 36-Month	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	64th Coolest	Coolest since: 1947	1905, 1906
	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	62nd Warmest	Warmest since: 1947	2018
	Ties: 1937, 1947, 1951, 2016
Jun 1944–May 1948 48-Month	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1947	1905
	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	65th Warmest	Warmest since: 1947	2019
	Ties: 1938, 1947, 1977
Jun 1943–May 1948 60-Month	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1947	1905, 1906, 1908
	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1946	2020
	Ties: 1922, 1953, 1974, 1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings