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 1931

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1931 1-Month	55.3°F (12.9°C)	58.9°F (14.9°C)	-3.6°F (-2.0°C)	16th Coolest	Coolest since: 1925	1907
	55.3°F (12.9°C)	58.9°F (14.9°C)	-3.6°F (-2.0°C)	113th Warmest	Warmest since: 1930	1977
	Ties: 1925, 1961, 1983
Apr–May 1931 2-Month	51.9°F (11.1°C)	53.3°F (11.8°C)	-1.4°F (-0.7°C)	28th Coolest	Coolest since: 1928	1907
Apr–May 1931 2-Month	51.9°F (11.1°C)	53.3°F (11.8°C)	-1.4°F (-0.7°C)	101st Warmest	Warmest since: 1930	1896, 1977
Mar–May 1931 3-Month	45.6°F (7.6°C)	47.5°F (8.6°C)	-1.9°F (-1.0°C)	19th Coolest	Coolest since: 1926	1926
	45.6°F (7.6°C)	47.5°F (8.6°C)	-1.9°F (-1.0°C)	110th Warmest	Warmest since: 1930	2012
	Ties: 1997
Feb–May 1931 4-Month	42.5°F (5.8°C)	41.9°F (5.5°C)	0.6°F (0.3°C)	80th Coolest	Coolest since: 1929	1904, 1947
	42.5°F (5.8°C)	41.9°F (5.5°C)	0.6°F (0.3°C)	49th Warmest	Warmest since: 1930	2012
	Ties: 1898, 1910, 1988
Jan–May 1931 5-Month	39.7°F (4.3°C)	37.8°F (3.2°C)	1.9°F (1.1°C)	104th Coolest	Coolest since: 1930	1912
	39.7°F (4.3°C)	37.8°F (3.2°C)	1.9°F (1.1°C)	25th Warmest	Warmest since: 1921	2012
	Ties: 1954, 1955, 2001
Dec 1930–May 1931 6-Month	37.4°F (3.0°C)	35.8°F (2.1°C)	1.6°F (0.9°C)	97th Coolest	Coolest since: 1930	1904
	37.4°F (3.0°C)	35.8°F (2.1°C)	1.6°F (0.9°C)	31st Warmest	Warmest since: 1922	2012
	Ties: 1990
Nov 1930–May 1931 7-Month	37.6°F (3.1°C)	36.1°F (2.3°C)	1.5°F (0.8°C)	96th Coolest	Coolest since: 1930	1904
Nov 1930–May 1931 7-Month	37.6°F (3.1°C)	36.1°F (2.3°C)	1.5°F (0.8°C)	32nd Warmest	Warmest since: 1921	2012
Oct 1930–May 1931 8-Month	39.0°F (3.9°C)	38.1°F (3.4°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 1930	1904
Oct 1930–May 1931 8-Month	39.0°F (3.9°C)	38.1°F (3.4°C)	0.9°F (0.5°C)	40th Warmest	Warmest since: 1922	2012
Sep 1930–May 1931 9-Month	42.0°F (5.6°C)	41.0°F (5.0°C)	1.0°F (0.6°C)	93rd Coolest	Coolest since: 1930	1904
	42.0°F (5.6°C)	41.0°F (5.0°C)	1.0°F (0.6°C)	35th Warmest	Warmest since: 1928	2012
	Ties: 1914
Aug 1930–May 1931 10-Month	45.0°F (7.2°C)	44.0°F (6.7°C)	1.0°F (0.5°C)	94th Coolest	Coolest since: 1930	1904
	45.0°F (7.2°C)	44.0°F (6.7°C)	1.0°F (0.5°C)	34th Warmest	Warmest since: 1922	2012
	Ties: 1896
Jul 1930–May 1931 11-Month	47.7°F (8.7°C)	46.7°F (8.2°C)	1.0°F (0.5°C)	98th Coolest	Coolest since: 1930	1904
	47.7°F (8.7°C)	46.7°F (8.2°C)	1.0°F (0.5°C)	30th Warmest	Warmest since: 1922	2012
	Ties: 1898, 1914, 1919, 1985, 1995
Jun 1930–May 1931 12-Month	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	93rd Coolest	Coolest since: 1930	1904
	49.4°F (9.7°C)	48.5°F (9.2°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1922	2012
	Ties: 1896, 1898, 1988
Dec 1929–May 1931 18-Month	45.1°F (7.3°C)	44.2°F (6.8°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1930	1905, 1918
	45.1°F (7.3°C)	44.2°F (6.8°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1922	2017
	Ties: 1914, 1953, 1984
Jun 1929–May 1931 24-Month	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	55th Coolest	Coolest since: 1930	1905
	48.5°F (9.2°C)	48.4°F (9.1°C)	0.1°F (0.1°C)	72nd Warmest	Warmest since: 1923	2017
	Ties: 1898, 1902, 1958, 1977
Jun 1928–May 1931 36-Month	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	32nd Coolest	Coolest since: 1930	1918
	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	94th Warmest	Warmest since: 1924	2000
	Ties: 1899, 1908, 1938, 1951, 1962, 1967, 1969, 1972, 1982
Jun 1927–May 1931 48-Month	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	37th Coolest	Coolest since: 1930	1907
	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	88th Warmest	Warmest since: 1925	2001
	Ties: 1911, 1914, 1951, 1964, 1966, 1972, 1973
Jun 1926–May 1931 60-Month	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	31st Coolest	Coolest since: 1930	1908
	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	93rd Warmest	Warmest since: 1926	2002
	Ties: 1910, 1966, 1969, 1972

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings