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 1947

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1947 1-Month	56.8°F (13.8°C)	61.0°F (16.1°C)	-4.2°F (-2.3°C)	11th Coolest	Coolest since: 1945	1907
May 1947 1-Month	56.8°F (13.8°C)	61.0°F (16.1°C)	-4.2°F (-2.3°C)	118th Warmest	Warmest since: 1946	2018
Apr–May 1947 2-Month	52.9°F (11.6°C)	55.4°F (13.0°C)	-2.5°F (-1.4°C)	16th Coolest	Coolest since: 1940	1907
	52.9°F (11.6°C)	55.4°F (13.0°C)	-2.5°F (-1.4°C)	113th Warmest	Warmest since: 1946	1977
	Ties: 1910
Mar–May 1947 3-Month	46.0°F (7.8°C)	49.7°F (9.8°C)	-3.7°F (-2.0°C)	4th Coolest	Coolest since: 1926	1960
Mar–May 1947 3-Month	46.0°F (7.8°C)	49.7°F (9.8°C)	-3.7°F (-2.0°C)	125th Warmest	Warmest since: 1946	2012
Feb–May 1947 4-Month	39.9°F (4.4°C)	44.2°F (6.8°C)	-4.3°F (-2.4°C)	3rd Coolest	Coolest since: 1904	1978
	39.9°F (4.4°C)	44.2°F (6.8°C)	-4.3°F (-2.4°C)	126th Warmest	Warmest since: 1946	2012
	Ties: 1960
Jan–May 1947 5-Month	37.7°F (3.2°C)	40.1°F (4.5°C)	-2.4°F (-1.3°C)	18th Coolest	Coolest since: 1940	1978
Jan–May 1947 5-Month	37.7°F (3.2°C)	40.1°F (4.5°C)	-2.4°F (-1.3°C)	111th Warmest	Warmest since: 1946	2012
Dec 1946–May 1947 6-Month	37.0°F (2.8°C)	38.1°F (3.4°C)	-1.1°F (-0.6°C)	28th Coolest	Coolest since: 1943	1978
	37.0°F (2.8°C)	38.1°F (3.4°C)	-1.1°F (-0.6°C)	100th Warmest	Warmest since: 1946	2012
	Ties: 1916, 1924, 1959, 1961, 1962
Nov 1946–May 1947 7-Month	37.8°F (3.2°C)	38.3°F (3.5°C)	-0.5°F (-0.3°C)	43rd Coolest	Coolest since: 1943	1904
	37.8°F (3.2°C)	38.3°F (3.5°C)	-0.5°F (-0.3°C)	85th Warmest	Warmest since: 1946	2012
	Ties: 1956
Oct 1946–May 1947 8-Month	40.3°F (4.6°C)	40.2°F (4.6°C)	0.1°F (0.0°C)	58th Coolest	Coolest since: 1945	1904
	40.3°F (4.6°C)	40.2°F (4.6°C)	0.1°F (0.0°C)	70th Warmest	Warmest since: 1946	2012
	Ties: 1909, 1929, 1944, 1945, 1952, 1966, 1993, 2001
Sep 1946–May 1947 9-Month	43.1°F (6.2°C)	43.0°F (6.1°C)	0.1°F (0.1°C)	68th Coolest	Coolest since: 1945	1904
	43.1°F (6.2°C)	43.0°F (6.1°C)	0.1°F (0.1°C)	60th Warmest	Warmest since: 1946	2012
	Ties: 1903, 1911, 1913, 1945, 2001, 2009, 2011
Aug 1946–May 1947 10-Month	45.6°F (7.6°C)	45.9°F (7.7°C)	-0.3°F (-0.1°C)	44th Coolest	Coolest since: 1943	1904
	45.6°F (7.6°C)	45.9°F (7.7°C)	-0.3°F (-0.1°C)	84th Warmest	Warmest since: 1946	2012
	Ties: 1900, 1901, 1915, 1929, 1959, 1971
Jul 1946–May 1947 11-Month	48.2°F (9.0°C)	48.5°F (9.2°C)	-0.3°F (-0.2°C)	47th Coolest	Coolest since: 1943	1904
	48.2°F (9.0°C)	48.5°F (9.2°C)	-0.3°F (-0.2°C)	81st Warmest	Warmest since: 1946	2012
	Ties: 1903, 1929, 1962, 1967, 1971
Jun 1946–May 1947 12-Month	50.0°F (10.0°C)	50.3°F (10.2°C)	-0.3°F (-0.2°C)	52nd Coolest	Coolest since: 1943	1904
	50.0°F (10.0°C)	50.3°F (10.2°C)	-0.3°F (-0.2°C)	76th Warmest	Warmest since: 1946	2012
	Ties: 1900, 1911, 1928
Dec 1945–May 1947 18-Month	46.6°F (8.1°C)	46.2°F (7.9°C)	0.4°F (0.2°C)	73rd Coolest	Coolest since: 1946	1905
	46.6°F (8.1°C)	46.2°F (7.9°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1945	2017
	Ties: 1909, 1915, 1938
Jun 1945–May 1947 24-Month	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	57th Coolest	Coolest since: 1944	1905
Jun 1945–May 1947 24-Month	50.2°F (10.1°C)	50.3°F (10.2°C)	-0.1°F (-0.1°C)	70th Warmest	Warmest since: 1946	2017
Jun 1944–May 1947 36-Month	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	60th Coolest	Coolest since: 1945	1905, 1906
	50.4°F (10.2°C)	50.3°F (10.2°C)	0.1°F (0.0°C)	66th Warmest	Warmest since: 1946	2018
	Ties: 1937, 1948, 1951, 2016
Jun 1943–May 1947 48-Month	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1946	1905
	50.5°F (10.3°C)	50.3°F (10.2°C)	0.2°F (0.1°C)	65th Warmest	Warmest since: 1945	2019
	Ties: 1938, 1948, 1977
Jun 1942–May 1947 60-Month	50.3°F (10.2°C)	50.3°F (10.2°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1931	1905, 1906, 1908
	50.3°F (10.2°C)	50.3°F (10.2°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1946	2020
	Ties: 1952, 1986

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published November 2022, retrieved on November 30, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings