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 2. Northeast

Average Temperature Rankings, May 1988

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1988 1-Month	61.9°F (16.6°C)	58.9°F (14.9°C)	3.0°F (1.7°C)	101st Coolest	Coolest since: 1986	1907
	61.9°F (16.6°C)	58.9°F (14.9°C)	3.0°F (1.7°C)	28th Warmest	Warmest since: 1987	1977
	Ties: 2001
Apr–May 1988 2-Month	55.0°F (12.8°C)	53.3°F (11.8°C)	1.7°F (1.0°C)	97th Coolest	Coolest since: 1984	1907
	55.0°F (12.8°C)	53.3°F (11.8°C)	1.7°F (1.0°C)	32nd Warmest	Warmest since: 1987	1896, 1977
	Ties: 1903, 2005, 2017
Mar–May 1988 3-Month	49.3°F (9.6°C)	47.5°F (8.6°C)	1.8°F (1.0°C)	101st Coolest	Coolest since: 1984	1926
	49.3°F (9.6°C)	47.5°F (8.6°C)	1.8°F (1.0°C)	28th Warmest	Warmest since: 1987	2012
	Ties: 1918, 1964, 1968
Feb–May 1988 4-Month	42.5°F (5.8°C)	41.8°F (5.4°C)	0.7°F (0.4°C)	80th Coolest	Coolest since: 1984	1904, 1947
	42.5°F (5.8°C)	41.8°F (5.4°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 1987	2012
	Ties: 1898, 1910, 1931
Jan–May 1988 5-Month	37.6°F (3.1°C)	37.7°F (3.2°C)	-0.1°F (-0.1°C)	56th Coolest	Coolest since: 1984	1912
Jan–May 1988 5-Month	37.6°F (3.1°C)	37.7°F (3.2°C)	-0.1°F (-0.1°C)	73rd Warmest	Warmest since: 1987	2012
Dec 1987–May 1988 6-Month	36.6°F (2.6°C)	35.8°F (2.1°C)	0.8°F (0.5°C)	80th Coolest	Coolest since: 1986	1904
	36.6°F (2.6°C)	35.8°F (2.1°C)	0.8°F (0.5°C)	48th Warmest	Warmest since: 1987	2012
	Ties: 1927, 1930
Nov 1987–May 1988 7-Month	37.5°F (3.1°C)	36.1°F (2.3°C)	1.4°F (0.8°C)	95th Coolest	Coolest since: 1986	1904
	37.5°F (3.1°C)	36.1°F (2.3°C)	1.4°F (0.8°C)	33rd Warmest	Warmest since: 1987	2012
	Ties: 1903, 1985, 2013
Oct 1987–May 1988 8-Month	38.6°F (3.7°C)	38.1°F (3.4°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 1986	1904
	38.6°F (3.7°C)	38.1°F (3.4°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 1987	2012
	Ties: 1896, 1911, 1925, 1973
Sep 1987–May 1988 9-Month	41.4°F (5.2°C)	40.9°F (4.9°C)	0.5°F (0.3°C)	74th Coolest	Coolest since: 1984	1904
	41.4°F (5.2°C)	40.9°F (4.9°C)	0.5°F (0.3°C)	54th Warmest	Warmest since: 1987	2012
	Ties: 1973
Aug 1987–May 1988 10-Month	44.4°F (6.9°C)	44.0°F (6.7°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 1986	1904
	44.4°F (6.9°C)	44.0°F (6.7°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1987	2012
	Ties: 1900, 1909, 1946, 1973, 2011
Jul 1987–May 1988 11-Month	47.3°F (8.5°C)	46.7°F (8.2°C)	0.6°F (0.3°C)	84th Coolest	Coolest since: 1986	1904
	47.3°F (8.5°C)	46.7°F (8.2°C)	0.6°F (0.3°C)	44th Warmest	Warmest since: 1987	2012
	Ties: 1934, 2008, 2011
Jun 1987–May 1988 12-Month	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	93rd Coolest	Coolest since: 1986	1904
	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1987	2012
	Ties: 1896, 1898, 1931
Dec 1986–May 1988 18-Month	46.4°F (8.0°C)	44.2°F (6.8°C)	2.2°F (1.2°C)	115th Coolest	Coolest since: 1987	1905, 1918
Dec 1986–May 1988 18-Month	46.4°F (8.0°C)	44.2°F (6.8°C)	2.2°F (1.2°C)	12th Warmest	Warmest since: 1932	2017
Jun 1986–May 1988 24-Month	50.0°F (10.0°C)	48.4°F (9.1°C)	1.6°F (0.9°C)	111th Coolest	Coolest since: 1987	1905
	50.0°F (10.0°C)	48.4°F (9.1°C)	1.6°F (0.9°C)	16th Warmest	Warmest since: 1955	2017
	Ties: 1954, 2003
Jun 1985–May 1988 36-Month	49.5°F (9.7°C)	48.4°F (9.1°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 1986	1918
	49.5°F (9.7°C)	48.4°F (9.1°C)	1.1°F (0.6°C)	29th Warmest	Warmest since: 1987	2000
	Ties: 1993, 2003
Jun 1984–May 1988 48-Month	49.5°F (9.7°C)	48.4°F (9.1°C)	1.1°F (0.6°C)	98th Coolest	Coolest since: 1987	1907
	49.5°F (9.7°C)	48.4°F (9.1°C)	1.1°F (0.6°C)	27th Warmest	Warmest since: 1957	2001
	Ties: 1924, 1989
Jun 1983–May 1988 60-Month	49.3°F (9.6°C)	48.4°F (9.1°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1987	1908
	49.3°F (9.6°C)	48.4°F (9.1°C)	0.9°F (0.5°C)	30th Warmest	Warmest since: 1987	2002
	Ties: 1923, 1942, 1958, 1987, 2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings