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 7. East Southeast

Average Temperature Rankings, May 1917

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1917 1-Month	56.8°F (13.8°C)	63.2°F (17.3°C)	-6.4°F (-3.5°C)	2nd Coolest	Coolest since: 1917	1924
May 1917 1-Month	56.8°F (13.8°C)	63.2°F (17.3°C)	-6.4°F (-3.5°C)	127th Warmest	Warmest since: 1916	2018
Apr–May 1917 2-Month	53.9°F (12.2°C)	58.0°F (14.4°C)	-4.1°F (-2.2°C)	3rd Coolest	Coolest since: 1907	1907
	53.9°F (12.2°C)	58.0°F (14.4°C)	-4.1°F (-2.2°C)	126th Warmest	Warmest since: 1916	1896
	Ties: 1997
Mar–May 1917 3-Month	50.1°F (10.1°C)	52.5°F (11.4°C)	-2.4°F (-1.3°C)	10th Coolest	Coolest since: 1907	1960
	50.1°F (10.1°C)	52.5°F (11.4°C)	-2.4°F (-1.3°C)	119th Warmest	Warmest since: 1916	2012
	Ties: 1983, 1996
Feb–May 1917 4-Month	44.4°F (6.9°C)	47.3°F (8.5°C)	-2.9°F (-1.6°C)	12th Coolest	Coolest since: 1912	1978
	44.4°F (6.9°C)	47.3°F (8.5°C)	-2.9°F (-1.6°C)	117th Warmest	Warmest since: 1916	2012
	Ties: 1923, 1924
Jan–May 1917 5-Month	41.5°F (5.3°C)	43.4°F (6.3°C)	-1.9°F (-1.0°C)	23rd Coolest	Coolest since: 1912	1978
	41.5°F (5.3°C)	43.4°F (6.3°C)	-1.9°F (-1.0°C)	106th Warmest	Warmest since: 1916	2012
	Ties: 1918
Dec 1916–May 1917 6-Month	39.4°F (4.1°C)	41.4°F (5.2°C)	-2.0°F (-1.1°C)	15th Coolest	Coolest since: 1912	1978
	39.4°F (4.1°C)	41.4°F (5.2°C)	-2.0°F (-1.1°C)	113th Warmest	Warmest since: 1916	2012
	Ties: 1951, 1970
Nov 1916–May 1917 7-Month	40.1°F (4.5°C)	41.6°F (5.3°C)	-1.5°F (-0.8°C)	23rd Coolest	Coolest since: 1912	1978
	40.1°F (4.5°C)	41.6°F (5.3°C)	-1.5°F (-0.8°C)	105th Warmest	Warmest since: 1916	2012
	Ties: 1901, 1980, 2015
Oct 1916–May 1917 8-Month	41.9°F (5.5°C)	43.3°F (6.3°C)	-1.4°F (-0.8°C)	23rd Coolest	Coolest since: 1912	1978
	41.9°F (5.5°C)	43.3°F (6.3°C)	-1.4°F (-0.8°C)	105th Warmest	Warmest since: 1916	2012
	Ties: 1963
Sep 1916–May 1917 9-Month	44.5°F (6.9°C)	46.0°F (7.8°C)	-1.5°F (-0.9°C)	22nd Coolest	Coolest since: 1912	1978
	44.5°F (6.9°C)	46.0°F (7.8°C)	-1.5°F (-0.9°C)	106th Warmest	Warmest since: 1916	2012
	Ties: 1897, 1994
Aug 1916–May 1917 10-Month	47.8°F (8.8°C)	48.8°F (9.3°C)	-1.0°F (-0.5°C)	29th Coolest	Coolest since: 1912	1978
Aug 1916–May 1917 10-Month	47.8°F (8.8°C)	48.8°F (9.3°C)	-1.0°F (-0.5°C)	99th Warmest	Warmest since: 1916	2012
Jul 1916–May 1917 11-Month	50.8°F (10.4°C)	51.4°F (10.8°C)	-0.6°F (-0.4°C)	36th Coolest	Coolest since: 1916	1904
	50.8°F (10.4°C)	51.4°F (10.8°C)	-0.6°F (-0.4°C)	92nd Warmest	Warmest since: 1915	2012
	Ties: 1930, 1947, 1966, 2001
Jun 1916–May 1917 12-Month	52.2°F (11.2°C)	53.1°F (11.7°C)	-0.9°F (-0.5°C)	26th Coolest	Coolest since: 1916	1904
	52.2°F (11.2°C)	53.1°F (11.7°C)	-0.9°F (-0.5°C)	102nd Warmest	Warmest since: 1916	2012
	Ties: 1916, 1994, 1997
Dec 1915–May 1917 18-Month	48.3°F (9.1°C)	49.1°F (9.5°C)	-0.8°F (-0.4°C)	23rd Coolest	Coolest since: 1916	1979
	48.3°F (9.1°C)	49.1°F (9.5°C)	-0.8°F (-0.4°C)	104th Warmest	Warmest since: 1915	2017
	Ties: 1912, 1924, 1961, 1977, 1983
Jun 1915–May 1917 24-Month	52.2°F (11.2°C)	53.1°F (11.7°C)	-0.9°F (-0.5°C)	19th Coolest	Coolest since: 1913	1905, 1978
	52.2°F (11.2°C)	53.1°F (11.7°C)	-0.9°F (-0.5°C)	108th Warmest	Warmest since: 1916	2017
	Ties: 1959, 1997
Jun 1914–May 1917 36-Month	52.7°F (11.5°C)	53.1°F (11.7°C)	-0.4°F (-0.2°C)	36th Coolest	Coolest since: 1913	1979
	52.7°F (11.5°C)	53.1°F (11.7°C)	-0.4°F (-0.2°C)	90th Warmest	Warmest since: 1916	2018
	Ties: 1910, 1929, 1965, 1972
Jun 1913–May 1917 48-Month	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	56th Coolest	Coolest since: 1915	1980
	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1916	2019
	Ties: 1951, 2016
Jun 1912–May 1917 60-Month	53.0°F (11.7°C)	53.0°F (11.7°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1916	1981
	53.0°F (11.7°C)	53.0°F (11.7°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1915	2020
	Ties: 1915, 1951, 1952

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings