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 1928

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1928 1-Month	60.9°F (16.1°C)	61.0°F (16.1°C)	-0.1°F (0.0°C)	58th Coolest	Coolest since: 1927	1907
	60.9°F (16.1°C)	61.0°F (16.1°C)	-0.1°F (0.0°C)	71st Warmest	Warmest since: 1926	2018
	Ties: 1957
Apr–May 1928 2-Month	53.2°F (11.8°C)	55.4°F (13.0°C)	-2.2°F (-1.2°C)	19th Coolest	Coolest since: 1926	1907
Apr–May 1928 2-Month	53.2°F (11.8°C)	55.4°F (13.0°C)	-2.2°F (-1.2°C)	110th Warmest	Warmest since: 1927	1977
Mar–May 1928 3-Month	48.1°F (8.9°C)	49.7°F (9.8°C)	-1.6°F (-0.9°C)	29th Coolest	Coolest since: 1926	1960
	48.1°F (8.9°C)	49.7°F (9.8°C)	-1.6°F (-0.9°C)	100th Warmest	Warmest since: 1927	2012
	Ties: 1971
Feb–May 1928 4-Month	43.6°F (6.4°C)	44.1°F (6.7°C)	-0.5°F (-0.3°C)	49th Coolest	Coolest since: 1926	1978
Feb–May 1928 4-Month	43.6°F (6.4°C)	44.1°F (6.7°C)	-0.5°F (-0.3°C)	80th Warmest	Warmest since: 1927	2012
Jan–May 1928 5-Month	39.9°F (4.4°C)	40.1°F (4.5°C)	-0.2°F (-0.1°C)	53rd Coolest	Coolest since: 1926	1978
	39.9°F (4.4°C)	40.1°F (4.5°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 1927	2012
	Ties: 1965, 1967, 1993
Dec 1927–May 1928 6-Month	37.7°F (3.2°C)	38.1°F (3.4°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1926	1978
	37.7°F (3.2°C)	38.1°F (3.4°C)	-0.4°F (-0.2°C)	83rd Warmest	Warmest since: 1927	2012
	Ties: 1929, 1965
Nov 1927–May 1928 7-Month	38.5°F (3.6°C)	38.3°F (3.5°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1926	1904
	38.5°F (3.6°C)	38.3°F (3.5°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 1927	2012
	Ties: 1909, 1930, 1945, 1965, 1966, 1993
Oct 1927–May 1928 8-Month	40.8°F (4.9°C)	40.2°F (4.6°C)	0.6°F (0.3°C)	78th Coolest	Coolest since: 1927	1904
	40.8°F (4.9°C)	40.2°F (4.6°C)	0.6°F (0.3°C)	50th Warmest	Warmest since: 1925	2012
	Ties: 1935, 1988
Sep 1927–May 1928 9-Month	43.9°F (6.6°C)	43.0°F (6.1°C)	0.9°F (0.5°C)	89th Coolest	Coolest since: 1927	1904
	43.9°F (6.6°C)	43.0°F (6.1°C)	0.9°F (0.5°C)	39th Warmest	Warmest since: 1922	2012
	Ties: 1931, 1941, 1946, 2013
Aug 1927–May 1928 10-Month	46.2°F (7.9°C)	45.9°F (7.7°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1927	1904
	46.2°F (7.9°C)	45.9°F (7.7°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1922	2012
	Ties: 1933, 1950
Jul 1927–May 1928 11-Month	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	62nd Coolest	Coolest since: 1927	1904
	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	66th Warmest	Warmest since: 1927	2012
	Ties: 1927
Jun 1927–May 1928 12-Month	50.0°F (10.0°C)	50.3°F (10.2°C)	-0.3°F (-0.2°C)	52nd Coolest	Coolest since: 1926	1904
	50.0°F (10.0°C)	50.3°F (10.2°C)	-0.3°F (-0.2°C)	76th Warmest	Warmest since: 1927	2012
	Ties: 1900, 1911, 1947
Dec 1926–May 1928 18-Month	46.4°F (8.0°C)	46.2°F (7.9°C)	0.2°F (0.1°C)	67th Coolest	Coolest since: 1927	1905
	46.4°F (8.0°C)	46.2°F (7.9°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1923	2017
	Ties: 1898, 1943, 1973, 2010
Jun 1926–May 1928 24-Month	50.0°F (10.0°C)	50.3°F (10.2°C)	-0.3°F (-0.2°C)	49th Coolest	Coolest since: 1927	1905
	50.0°F (10.0°C)	50.3°F (10.2°C)	-0.3°F (-0.2°C)	78th Warmest	Warmest since: 1923	2017
	Ties: 1920, 1936, 1944, 1966, 1967, 2014
Jun 1925–May 1928 36-Month	49.7°F (9.8°C)	50.3°F (10.2°C)	-0.6°F (-0.4°C)	27th Coolest	Coolest since: 1927	1905, 1906
	49.7°F (9.8°C)	50.3°F (10.2°C)	-0.6°F (-0.4°C)	99th Warmest	Warmest since: 1925	2018
	Ties: 1910, 1914, 1952, 1961, 1981, 2015
Jun 1924–May 1928 48-Month	49.7°F (9.8°C)	50.2°F (10.1°C)	-0.5°F (-0.3°C)	22nd Coolest	Coolest since: 1927	1905
	49.7°F (9.8°C)	50.2°F (10.1°C)	-0.5°F (-0.3°C)	103rd Warmest	Warmest since: 1926	2019
	Ties: 1903, 1910, 1926, 1929, 1961, 1962, 1968, 1969
Jun 1923–May 1928 60-Month	49.7°F (9.8°C)	50.3°F (10.2°C)	-0.6°F (-0.4°C)	22nd Coolest	Coolest since: 1920	1905, 1906, 1908
	49.7°F (9.8°C)	50.3°F (10.2°C)	-0.6°F (-0.4°C)	102nd Warmest	Warmest since: 1927	2020
	Ties: 1910, 1914, 1916, 1929, 1930, 1962

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings