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 1926

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1926 1-Month	65.3°F (18.5°C)	63.2°F (17.3°C)	2.1°F (1.2°C)	94th Coolest	Coolest since: 1925	1924
	65.3°F (18.5°C)	63.2°F (17.3°C)	2.1°F (1.2°C)	35th Warmest	Warmest since: 1922	2018
	Ties: 1949
Apr–May 1926 2-Month	55.9°F (13.3°C)	58.0°F (14.4°C)	-2.1°F (-1.1°C)	18th Coolest	Coolest since: 1924	1907
	55.9°F (13.3°C)	58.0°F (14.4°C)	-2.1°F (-1.1°C)	111th Warmest	Warmest since: 1925	1896
	Ties: 1923, 1973, 2020
Mar–May 1926 3-Month	49.0°F (9.4°C)	52.6°F (11.4°C)	-3.6°F (-2.0°C)	3rd Coolest	Coolest since: 1924	1960
	49.0°F (9.4°C)	52.6°F (11.4°C)	-3.6°F (-2.0°C)	126th Warmest	Warmest since: 1925	2012
	Ties: 1924
Feb–May 1926 4-Month	45.4°F (7.4°C)	47.2°F (8.4°C)	-1.8°F (-1.0°C)	21st Coolest	Coolest since: 1924	1978
	45.4°F (7.4°C)	47.2°F (8.4°C)	-1.8°F (-1.0°C)	108th Warmest	Warmest since: 1925	2012
	Ties: 1971, 1989, 2015
Jan–May 1926 5-Month	42.1°F (5.6°C)	43.3°F (6.3°C)	-1.2°F (-0.7°C)	32nd Coolest	Coolest since: 1924	1978
Jan–May 1926 5-Month	42.1°F (5.6°C)	43.3°F (6.3°C)	-1.2°F (-0.7°C)	97th Warmest	Warmest since: 1925	2012
Dec 1925–May 1926 6-Month	39.9°F (4.4°C)	41.4°F (5.2°C)	-1.5°F (-0.8°C)	24th Coolest	Coolest since: 1920	1978
	39.9°F (4.4°C)	41.4°F (5.2°C)	-1.5°F (-0.8°C)	104th Warmest	Warmest since: 1925	2012
	Ties: 1980
Nov 1925–May 1926 7-Month	39.8°F (4.3°C)	41.5°F (5.3°C)	-1.7°F (-1.0°C)	19th Coolest	Coolest since: 1920	1978
	39.8°F (4.3°C)	41.5°F (5.3°C)	-1.7°F (-1.0°C)	109th Warmest	Warmest since: 1925	2012
	Ties: 1905, 1982
Oct 1925–May 1926 8-Month	40.7°F (4.8°C)	43.3°F (6.3°C)	-2.6°F (-1.5°C)	7th Coolest	Coolest since: 1918	1978
	40.7°F (4.8°C)	43.3°F (6.3°C)	-2.6°F (-1.5°C)	121st Warmest	Warmest since: 1925	2012
	Ties: 1977, 2014
Sep 1925–May 1926 9-Month	44.4°F (6.9°C)	46.0°F (7.8°C)	-1.6°F (-0.9°C)	18th Coolest	Coolest since: 1918	1978
	44.4°F (6.9°C)	46.0°F (7.8°C)	-1.6°F (-0.9°C)	110th Warmest	Warmest since: 1925	2012
	Ties: 1905, 1958, 1963
Aug 1925–May 1926 10-Month	47.4°F (8.6°C)	48.8°F (9.3°C)	-1.4°F (-0.7°C)	17th Coolest	Coolest since: 1920	1978
	47.4°F (8.6°C)	48.8°F (9.3°C)	-1.4°F (-0.7°C)	111th Warmest	Warmest since: 1925	2012
	Ties: 1920, 1940, 1958
Jul 1925–May 1926 11-Month	50.0°F (10.0°C)	51.4°F (10.8°C)	-1.4°F (-0.8°C)	18th Coolest	Coolest since: 1918	1904
	50.0°F (10.0°C)	51.4°F (10.8°C)	-1.4°F (-0.8°C)	110th Warmest	Warmest since: 1925	2012
	Ties: 1897, 1940, 1958
Jun 1925–May 1926 12-Month	52.1°F (11.2°C)	53.1°F (11.7°C)	-1.0°F (-0.5°C)	24th Coolest	Coolest since: 1924	1904
	52.1°F (11.2°C)	53.1°F (11.7°C)	-1.0°F (-0.5°C)	104th Warmest	Warmest since: 1925	2012
	Ties: 1996
Dec 1924–May 1926 18-Month	48.8°F (9.3°C)	49.1°F (9.5°C)	-0.3°F (-0.2°C)	44th Coolest	Coolest since: 1925	1979
	48.8°F (9.3°C)	49.1°F (9.5°C)	-0.3°F (-0.2°C)	83rd Warmest	Warmest since: 1923	2017
	Ties: 1901, 1907, 1941
Jun 1924–May 1926 24-Month	52.5°F (11.4°C)	53.0°F (11.7°C)	-0.5°F (-0.3°C)	29th Coolest	Coolest since: 1925	1905, 1978
	52.5°F (11.4°C)	53.0°F (11.7°C)	-0.5°F (-0.3°C)	98th Warmest	Warmest since: 1925	2017
	Ties: 1925, 1951, 1964, 1977, 2014
Jun 1923–May 1926 36-Month	52.4°F (11.3°C)	53.1°F (11.7°C)	-0.7°F (-0.4°C)	21st Coolest	Coolest since: 1920	1979
	52.4°F (11.3°C)	53.1°F (11.7°C)	-0.7°F (-0.4°C)	105th Warmest	Warmest since: 1925	2018
	Ties: 1901, 1930, 1961, 1963, 1977, 1982, 1984
Jun 1922–May 1926 48-Month	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	27th Coolest	Coolest since: 1920	1980
	52.6°F (11.4°C)	53.0°F (11.7°C)	-0.4°F (-0.3°C)	98th Warmest	Warmest since: 1925	2019
	Ties: 1927, 1930, 1960, 1964, 1983, 1996
Jun 1921–May 1926 60-Month	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	55th Coolest	Coolest since: 1921	1981
	53.1°F (11.7°C)	53.0°F (11.7°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1925	2020
	Ties: 1974, 1996, 1998

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings