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 2002

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 2002 1-Month	57.5°F (14.2°C)	61.0°F (16.1°C)	-3.5°F (-1.9°C)	18th Coolest	Coolest since: 1997	1907
	57.5°F (14.2°C)	61.0°F (16.1°C)	-3.5°F (-1.9°C)	111th Warmest	Warmest since: 2001	2018
	Ties: 1925, 1931, 1983, 2008
Apr–May 2002 2-Month	54.7°F (12.6°C)	55.5°F (13.1°C)	-0.8°F (-0.5°C)	41st Coolest	Coolest since: 1997	1907
	54.7°F (12.6°C)	55.5°F (13.1°C)	-0.8°F (-0.5°C)	88th Warmest	Warmest since: 2001	1977
	Ties: 1953
Mar–May 2002 3-Month	48.4°F (9.1°C)	49.7°F (9.8°C)	-1.3°F (-0.7°C)	33rd Coolest	Coolest since: 1997	1960
	48.4°F (9.1°C)	49.7°F (9.8°C)	-1.3°F (-0.7°C)	96th Warmest	Warmest since: 2001	2012
	Ties: 1951, 1980
Feb–May 2002 4-Month	44.6°F (7.0°C)	44.2°F (6.8°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1997	1978
	44.6°F (7.0°C)	44.2°F (6.8°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 2001	2012
	Ties: 1932, 1948
Jan–May 2002 5-Month	42.3°F (5.7°C)	40.1°F (4.5°C)	2.2°F (1.2°C)	108th Coolest	Coolest since: 2001	1978
	42.3°F (5.7°C)	40.1°F (4.5°C)	2.2°F (1.2°C)	21st Warmest	Warmest since: 2000	2012
	Ties: 1933, 1953, 1955, 1973, 1976, 2020
Dec 2001–May 2002 6-Month	41.0°F (5.0°C)	38.1°F (3.4°C)	2.9°F (1.6°C)	115th Coolest	Coolest since: 2001	1904, 1978
	41.0°F (5.0°C)	38.1°F (3.4°C)	2.9°F (1.6°C)	13th Warmest	Warmest since: 2000	2012
	Ties: 2004
Nov 2001–May 2002 7-Month	42.2°F (5.7°C)	38.3°F (3.5°C)	3.9°F (2.2°C)	120th Coolest	Coolest since: 2001	1904
Nov 2001–May 2002 7-Month	42.2°F (5.7°C)	38.3°F (3.5°C)	3.9°F (2.2°C)	8th Warmest	Warmest since: 2000	2012
Oct 2001–May 2002 8-Month	43.5°F (6.4°C)	40.2°F (4.6°C)	3.3°F (1.8°C)	119th Coolest	Coolest since: 2001	1904
Oct 2001–May 2002 8-Month	43.5°F (6.4°C)	40.2°F (4.6°C)	3.3°F (1.8°C)	9th Warmest	Warmest since: 2000	2012
Sep 2001–May 2002 9-Month	45.7°F (7.6°C)	43.0°F (6.1°C)	2.7°F (1.5°C)	117th Coolest	Coolest since: 2001	1904
	45.7°F (7.6°C)	43.0°F (6.1°C)	2.7°F (1.5°C)	11th Warmest	Warmest since: 2000	2012
	Ties: 1987
Aug 2001–May 2002 10-Month	48.5°F (9.2°C)	45.9°F (7.7°C)	2.6°F (1.5°C)	119th Coolest	Coolest since: 2001	1904
	48.5°F (9.2°C)	45.9°F (7.7°C)	2.6°F (1.5°C)	9th Warmest	Warmest since: 2000	2012
	Ties: 1998, 2000
Jul 2001–May 2002 11-Month	50.9°F (10.5°C)	48.5°F (9.2°C)	2.4°F (1.3°C)	119th Coolest	Coolest since: 2001	1904
Jul 2001–May 2002 11-Month	50.9°F (10.5°C)	48.5°F (9.2°C)	2.4°F (1.3°C)	9th Warmest	Warmest since: 2000	2012
Jun 2001–May 2002 12-Month	52.4°F (11.3°C)	50.3°F (10.2°C)	2.1°F (1.1°C)	115th Coolest	Coolest since: 2001	1904
	52.4°F (11.3°C)	50.3°F (10.2°C)	2.1°F (1.1°C)	13th Warmest	Warmest since: 2000	2012
	Ties: 1955, 1987, 1998
Dec 2000–May 2002 18-Month	47.5°F (8.6°C)	46.2°F (7.9°C)	1.3°F (0.7°C)	99th Coolest	Coolest since: 2001	1905
	47.5°F (8.6°C)	46.2°F (7.9°C)	1.3°F (0.7°C)	28th Warmest	Warmest since: 2000	2017
	Ties: 1935, 1953, 2020
Jun 2000–May 2002 24-Month	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	98th Coolest	Coolest since: 1998	1905
	51.3°F (10.7°C)	50.3°F (10.2°C)	1.0°F (0.5°C)	29th Warmest	Warmest since: 2001	2017
	Ties: 1939, 1950, 2004
Jun 1999–May 2002 36-Month	51.8°F (11.0°C)	50.3°F (10.2°C)	1.5°F (0.8°C)	109th Coolest	Coolest since: 1999	1905, 1906
	51.8°F (11.0°C)	50.3°F (10.2°C)	1.5°F (0.8°C)	17th Warmest	Warmest since: 2001	2018
	Ties: 1923
Jun 1998–May 2002 48-Month	52.1°F (11.2°C)	50.3°F (10.2°C)	1.8°F (1.0°C)	121st Coolest	Coolest since: 2001	1905
	52.1°F (11.2°C)	50.3°F (10.2°C)	1.8°F (1.0°C)	4th Warmest	Warmest since: 2001	2019
	Ties: 2001, 2007, 2013
Jun 1997–May 2002 60-Month	52.2°F (11.2°C)	50.3°F (10.2°C)	1.9°F (1.0°C)	122nd Coolest	Coolest since: 2001	1905, 1906, 1908
Jun 1997–May 2002 60-Month	52.2°F (11.2°C)	50.3°F (10.2°C)	1.9°F (1.0°C)	2nd Warmest	Warmest to Date	2020

Citing This Page

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