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 1901

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1901 1-Month	58.5°F (14.7°C)	61.0°F (16.1°C)	-2.5°F (-1.4°C)	33rd Coolest	Coolest since: 1897	1907
May 1901 1-Month	58.5°F (14.7°C)	61.0°F (16.1°C)	-2.5°F (-1.4°C)	96th Warmest	Warmest since: 1900	2018
Apr–May 1901 2-Month	52.6°F (11.4°C)	55.5°F (13.1°C)	-2.9°F (-1.7°C)	12th Coolest	Coolest since: 1897	1907
Apr–May 1901 2-Month	52.6°F (11.4°C)	55.5°F (13.1°C)	-2.9°F (-1.7°C)	117th Warmest	Warmest since: 1900	1977
Mar–May 1901 3-Month	47.2°F (8.4°C)	49.7°F (9.8°C)	-2.5°F (-1.4°C)	13th Coolest	Coolest to Date	1960
	47.2°F (8.4°C)	49.7°F (9.8°C)	-2.5°F (-1.4°C)	116th Warmest	Warmest since: 1900	2012
	Ties: 1909, 1923, 1943
Feb–May 1901 4-Month	40.1°F (4.5°C)	44.2°F (6.8°C)	-4.1°F (-2.3°C)	5th Coolest	Coolest to Date	1978
Feb–May 1901 4-Month	40.1°F (4.5°C)	44.2°F (6.8°C)	-4.1°F (-2.3°C)	124th Warmest	Warmest since: 1900	2012
Jan–May 1901 5-Month	37.2°F (2.9°C)	40.1°F (4.5°C)	-2.9°F (-1.6°C)	13th Coolest	Coolest since: 1899	1978
	37.2°F (2.9°C)	40.1°F (4.5°C)	-2.9°F (-1.6°C)	116th Warmest	Warmest since: 1900	2012
	Ties: 1905
Dec 1900–May 1901 6-Month	35.8°F (2.1°C)	38.1°F (3.4°C)	-2.3°F (-1.3°C)	17th Coolest	Coolest since: 1899	1904, 1978
Dec 1900–May 1901 6-Month	35.8°F (2.1°C)	38.1°F (3.4°C)	-2.3°F (-1.3°C)	111th Warmest	Warmest since: 1900	2012
Nov 1900–May 1901 7-Month	36.1°F (2.3°C)	38.3°F (3.5°C)	-2.2°F (-1.2°C)	16th Coolest	Coolest since: 1899	1904
	36.1°F (2.3°C)	38.3°F (3.5°C)	-2.2°F (-1.2°C)	112th Warmest	Warmest since: 1900	2012
	Ties: 1917, 1982, 1996
Oct 1900–May 1901 8-Month	39.0°F (3.9°C)	40.2°F (4.6°C)	-1.2°F (-0.7°C)	24th Coolest	Coolest since: 1899	1904
	39.0°F (3.9°C)	40.2°F (4.6°C)	-1.2°F (-0.7°C)	104th Warmest	Warmest since: 1900	2012
	Ties: 1924
Sep 1900–May 1901 9-Month	42.1°F (5.6°C)	43.0°F (6.1°C)	-0.9°F (-0.5°C)	31st Coolest	Coolest since: 1899	1904
	42.1°F (5.6°C)	43.0°F (6.1°C)	-0.9°F (-0.5°C)	97th Warmest	Warmest since: 1900	2012
	Ties: 1958
Aug 1900–May 1901 10-Month	45.6°F (7.6°C)	45.9°F (7.7°C)	-0.3°F (-0.1°C)	44th Coolest	Coolest since: 1900	1904
	45.6°F (7.6°C)	45.9°F (7.7°C)	-0.3°F (-0.1°C)	84th Warmest	Warmest since: 1900	2012
	Ties: 1900, 1915, 1929, 1947, 1959, 1971
Jul 1900–May 1901 11-Month	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	41st Coolest	Coolest since: 1900	1904
	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	87th Warmest	Warmest since: 1900	2012
	Ties: 1900, 1925, 1930, 1965, 1966
Jun 1900–May 1901 12-Month	49.8°F (9.9°C)	50.3°F (10.2°C)	-0.5°F (-0.3°C)	38th Coolest	Coolest since: 1899	1904
	49.8°F (9.9°C)	50.3°F (10.2°C)	-0.5°F (-0.3°C)	90th Warmest	Warmest since: 1900	2012
	Ties: 1903, 1906, 1925, 1958, 1975, 1996
Dec 1899–May 1901 18-Month	45.4°F (7.4°C)	46.2°F (7.9°C)	-0.8°F (-0.5°C)	25th Coolest	Coolest since: 1900	1905
	45.4°F (7.4°C)	46.2°F (7.9°C)	-0.8°F (-0.5°C)	102nd Warmest	Warmest since: 1898	2017
	Ties: 1908, 1960, 1982
Jun 1899–May 1901 24-Month	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	41st Coolest	Coolest since: 1900	1905
	49.9°F (9.9°C)	50.3°F (10.2°C)	-0.4°F (-0.3°C)	86th Warmest	Warmest since: 1898	2017
	Ties: 1897, 1898, 1909, 1910, 1924, 1962, 1982
Jun 1898–May 1901 36-Month	49.4°F (9.7°C)	50.3°F (10.2°C)	-0.9°F (-0.5°C)	14th Coolest	Coolest since: 1899	1905, 1906
	49.4°F (9.7°C)	50.3°F (10.2°C)	-0.9°F (-0.5°C)	112th Warmest	Warmest since: 1900	2018
	Ties: 1899
Jun 1897–May 1901 48-Month	49.8°F (9.9°C)	50.3°F (10.2°C)	-0.5°F (-0.3°C)	31st Coolest	Coolest since: 1900	1905
	49.8°F (9.9°C)	50.3°F (10.2°C)	-0.5°F (-0.3°C)	94th Warmest	Warmest since: 1899	2019
	Ties: 1899, 1909, 1911, 1914, 1930, 1964
Jun 1896–May 1901 60-Month	49.6°F (9.8°C)	50.3°F (10.2°C)	-0.7°F (-0.4°C)	20th Coolest	Coolest to Date	1905, 1906, 1908
Jun 1896–May 1901 60-Month	49.6°F (9.8°C)	50.3°F (10.2°C)	-0.7°F (-0.4°C)	104th Warmest	Warmest since: 1900	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings