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 3. West

Average Temperature Rankings, May 1973

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1973 1-Month	59.0°F (15.0°C)	62.3°F (16.8°C)	-3.3°F (-1.8°C)	22nd Coolest	Coolest since: 1968	1924
	59.0°F (15.0°C)	62.3°F (16.8°C)	-3.3°F (-1.8°C)	107th Warmest	Warmest since: 1972	2018
	Ties: 1925, 2008
Apr–May 1973 2-Month	54.6°F (12.6°C)	56.8°F (13.8°C)	-2.2°F (-1.2°C)	18th Coolest	Coolest since: 1966	1907
	54.6°F (12.6°C)	56.8°F (13.8°C)	-2.2°F (-1.2°C)	111th Warmest	Warmest since: 1972	1896
	Ties: 1953, 2020
Mar–May 1973 3-Month	51.8°F (11.0°C)	50.9°F (10.5°C)	0.9°F (0.5°C)	79th Coolest	Coolest since: 1972	1960
Mar–May 1973 3-Month	51.8°F (11.0°C)	50.9°F (10.5°C)	0.9°F (0.5°C)	50th Warmest	Warmest since: 1964	2012
Feb–May 1973 4-Month	46.3°F (7.9°C)	45.2°F (7.3°C)	1.1°F (0.6°C)	91st Coolest	Coolest since: 1972	1978
	46.3°F (7.9°C)	45.2°F (7.3°C)	1.1°F (0.6°C)	38th Warmest	Warmest since: 1964	2012
	Ties: 1964, 2001, 2007
Jan–May 1973 5-Month	42.5°F (5.8°C)	40.9°F (4.9°C)	1.6°F (0.9°C)	95th Coolest	Coolest since: 1972	1978
Jan–May 1973 5-Month	42.5°F (5.8°C)	40.9°F (4.9°C)	1.6°F (0.9°C)	34th Warmest	Warmest since: 1964	2012
Dec 1972–May 1973 6-Month	39.5°F (4.2°C)	38.8°F (3.8°C)	0.7°F (0.4°C)	83rd Coolest	Coolest since: 1972	1978
	39.5°F (4.2°C)	38.8°F (3.8°C)	0.7°F (0.4°C)	45th Warmest	Warmest since: 1957	2012
	Ties: 1957
Nov 1972–May 1973 7-Month	39.0°F (3.9°C)	39.0°F (3.9°C)	0.0°F (0.0°C)	61st Coolest	Coolest since: 1971	1978
	39.0°F (3.9°C)	39.0°F (3.9°C)	0.0°F (0.0°C)	67th Warmest	Warmest since: 1972	2012
	Ties: 1906
Oct 1972–May 1973 8-Month	40.5°F (4.7°C)	41.0°F (5.0°C)	-0.5°F (-0.3°C)	43rd Coolest	Coolest since: 1971	1978
	40.5°F (4.7°C)	41.0°F (5.0°C)	-0.5°F (-0.3°C)	85th Warmest	Warmest since: 1972	2012
	Ties: 1980
Sep 1972–May 1973 9-Month	43.5°F (6.4°C)	43.8°F (6.6°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1971	1978
	43.5°F (6.4°C)	43.8°F (6.6°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1972	2012
	Ties: 1937, 1947, 1959, 1967, 2009
Aug 1972–May 1973 10-Month	46.5°F (8.1°C)	46.8°F (8.2°C)	-0.3°F (-0.1°C)	48th Coolest	Coolest since: 1971	1978
	46.5°F (8.1°C)	46.8°F (8.2°C)	-0.3°F (-0.1°C)	80th Warmest	Warmest since: 1972	2012
	Ties: 1930, 1959, 2003, 2010, 2013
Jul 1972–May 1973 11-Month	49.0°F (9.4°C)	49.4°F (9.7°C)	-0.4°F (-0.3°C)	45th Coolest	Coolest since: 1971	1904
	49.0°F (9.4°C)	49.4°F (9.7°C)	-0.4°F (-0.3°C)	83rd Warmest	Warmest since: 1972	2012
	Ties: 1902, 2019
Jun 1972–May 1973 12-Month	50.7°F (10.4°C)	51.3°F (10.7°C)	-0.6°F (-0.3°C)	40th Coolest	Coolest since: 1971	1904
	50.7°F (10.4°C)	51.3°F (10.7°C)	-0.6°F (-0.3°C)	88th Warmest	Warmest since: 1972	2012
	Ties: 1924, 1947
Dec 1971–May 1973 18-Month	46.8°F (8.2°C)	47.1°F (8.4°C)	-0.3°F (-0.2°C)	47th Coolest	Coolest since: 1971	1979
	46.8°F (8.2°C)	47.1°F (8.4°C)	-0.3°F (-0.2°C)	80th Warmest	Warmest since: 1972	2017
	Ties: 1907, 1937, 1965, 1977
Jun 1971–May 1973 24-Month	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	63rd Coolest	Coolest since: 1972	1905
	51.3°F (10.7°C)	51.2°F (10.7°C)	0.1°F (0.0°C)	64th Warmest	Warmest since: 1965	2017
	Ties: 1897, 1902, 1909, 1920, 1964, 1998
Jun 1970–May 1973 36-Month	51.0°F (10.6°C)	51.2°F (10.7°C)	-0.2°F (-0.1°C)	46th Coolest	Coolest since: 1972	1979
	51.0°F (10.6°C)	51.2°F (10.7°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1966	2018
	Ties: 1908, 1964, 1975, 2010, 2011
Jun 1969–May 1973 48-Month	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	24th Coolest	Coolest since: 1972	1980
	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	101st Warmest	Warmest since: 1972	1935
	Ties: 1902, 1912, 1913, 1927, 1929, 1972
Jun 1968–May 1973 60-Month	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	21st Coolest	Coolest since: 1972	1906, 1907, 1979
	50.7°F (10.4°C)	51.2°F (10.7°C)	-0.5°F (-0.3°C)	103rd Warmest	Warmest since: 1968	1935
	Ties: 1903, 1909, 1918, 1929, 1930

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published May 2023, retrieved on June 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings