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 1979

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1979 1-Month	59.2°F (15.1°C)	59.0°F (15.0°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1978	1907
	59.2°F (15.1°C)	59.0°F (15.0°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1977	1977
	Ties: 1908, 1937, 1942
Apr–May 1979 2-Month	52.0°F (11.1°C)	53.3°F (11.8°C)	-1.3°F (-0.7°C)	29th Coolest	Coolest since: 1973	1907
	52.0°F (11.1°C)	53.3°F (11.8°C)	-1.3°F (-0.7°C)	100th Warmest	Warmest since: 1978	1896, 1977
	Ties: 1919
Mar–May 1979 3-Month	46.3°F (7.9°C)	47.5°F (8.6°C)	-1.2°F (-0.7°C)	36th Coolest	Coolest since: 1978	1926
	46.3°F (7.9°C)	47.5°F (8.6°C)	-1.2°F (-0.7°C)	93rd Warmest	Warmest since: 1977	2012
	Ties: 1972
Feb–May 1979 4-Month	38.2°F (3.4°C)	41.8°F (5.4°C)	-3.6°F (-2.0°C)	8th Coolest	Coolest since: 1978	1904, 1947
	38.2°F (3.4°C)	41.8°F (5.4°C)	-3.6°F (-2.0°C)	121st Warmest	Warmest since: 1978	2012
	Ties: 1978
Jan–May 1979 5-Month	32.5°F (0.3°C)	37.8°F (3.2°C)	-5.3°F (-2.9°C)	2nd Coolest	Coolest since: 1912	1912
Jan–May 1979 5-Month	32.5°F (0.3°C)	37.8°F (3.2°C)	-5.3°F (-2.9°C)	127th Warmest	Warmest since: 1978	2012
Dec 1978–May 1979 6-Month	31.0°F (-0.6°C)	35.8°F (2.1°C)	-4.8°F (-2.7°C)	2nd Coolest	Coolest since: 1904	1904
Dec 1978–May 1979 6-Month	31.0°F (-0.6°C)	35.8°F (2.1°C)	-4.8°F (-2.7°C)	126th Warmest	Warmest since: 1978	2012
Nov 1978–May 1979 7-Month	32.2°F (0.1°C)	36.1°F (2.3°C)	-3.9°F (-2.2°C)	4th Coolest	Coolest since: 1920	1904
	32.2°F (0.1°C)	36.1°F (2.3°C)	-3.9°F (-2.2°C)	124th Warmest	Warmest since: 1978	2012
	Ties: 1920
Oct 1978–May 1979 8-Month	34.5°F (1.4°C)	38.1°F (3.4°C)	-3.6°F (-2.0°C)	4th Coolest	Coolest since: 1912	1904
Oct 1978–May 1979 8-Month	34.5°F (1.4°C)	38.1°F (3.4°C)	-3.6°F (-2.0°C)	124th Warmest	Warmest since: 1978	2012
Sep 1978–May 1979 9-Month	38.3°F (3.5°C)	41.0°F (5.0°C)	-2.7°F (-1.5°C)	7th Coolest	Coolest since: 1978	1904
Sep 1978–May 1979 9-Month	38.3°F (3.5°C)	41.0°F (5.0°C)	-2.7°F (-1.5°C)	121st Warmest	Warmest since: 1977	2012
Aug 1978–May 1979 10-Month	41.6°F (5.3°C)	44.0°F (6.7°C)	-2.4°F (-1.4°C)	6th Coolest	Coolest since: 1978	1904
	41.6°F (5.3°C)	44.0°F (6.7°C)	-2.4°F (-1.4°C)	122nd Warmest	Warmest since: 1977	2012
	Ties: 1920
Jul 1978–May 1979 11-Month	44.3°F (6.8°C)	46.6°F (8.1°C)	-2.3°F (-1.3°C)	6th Coolest	Coolest since: 1978	1904
Jul 1978–May 1979 11-Month	44.3°F (6.8°C)	46.6°F (8.1°C)	-2.3°F (-1.3°C)	122nd Warmest	Warmest since: 1977	2012
Jun 1978–May 1979 12-Month	46.4°F (8.0°C)	48.5°F (9.2°C)	-2.1°F (-1.2°C)	6th Coolest	Coolest since: 1978	1904
	46.4°F (8.0°C)	48.5°F (9.2°C)	-2.1°F (-1.2°C)	122nd Warmest	Warmest since: 1977	2012
	Ties: 1905
Dec 1977–May 1979 18-Month	41.4°F (5.2°C)	44.2°F (6.8°C)	-2.8°F (-1.6°C)	3rd Coolest	Coolest since: 1918	1905, 1918
Dec 1977–May 1979 18-Month	41.4°F (5.2°C)	44.2°F (6.8°C)	-2.8°F (-1.6°C)	124th Warmest	Warmest since: 1978	2017
Jun 1977–May 1979 24-Month	46.2°F (7.9°C)	48.4°F (9.1°C)	-2.2°F (-1.2°C)	3rd Coolest	Coolest since: 1918	1905
Jun 1977–May 1979 24-Month	46.2°F (7.9°C)	48.4°F (9.1°C)	-2.2°F (-1.2°C)	124th Warmest	Warmest since: 1978	2017
Jun 1976–May 1979 36-Month	46.5°F (8.1°C)	48.4°F (9.1°C)	-1.9°F (-1.0°C)	4th Coolest	Coolest since: 1918	1918
Jun 1976–May 1979 36-Month	46.5°F (8.1°C)	48.4°F (9.1°C)	-1.9°F (-1.0°C)	122nd Warmest	Warmest since: 1978	2000
Jun 1975–May 1979 48-Month	47.4°F (8.6°C)	48.5°F (9.2°C)	-1.1°F (-0.6°C)	8th Coolest	Coolest since: 1920	1907
	47.4°F (8.6°C)	48.5°F (9.2°C)	-1.1°F (-0.6°C)	117th Warmest	Warmest since: 1978	2001
	Ties: 1904, 1981
Jun 1974–May 1979 60-Month	47.5°F (8.6°C)	48.4°F (9.1°C)	-0.9°F (-0.5°C)	9th Coolest	Coolest since: 1920	1908
	47.5°F (8.6°C)	48.4°F (9.1°C)	-0.9°F (-0.5°C)	115th Warmest	Warmest since: 1978	2002
	Ties: 1918, 1980

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings