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 1909

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1909 1-Month	56.5°F (13.6°C)	58.9°F (14.9°C)	-2.4°F (-1.3°C)	35th Coolest	Coolest since: 1907	1907
	56.5°F (13.6°C)	58.9°F (14.9°C)	-2.4°F (-1.3°C)	94th Warmest	Warmest since: 1908	1977
	Ties: 1984
Apr–May 1909 2-Month	50.4°F (10.2°C)	53.4°F (11.9°C)	-3.0°F (-1.7°C)	13th Coolest	Coolest since: 1907	1907
	50.4°F (10.2°C)	53.4°F (11.9°C)	-3.0°F (-1.7°C)	116th Warmest	Warmest since: 1908	1896, 1977
	Ties: 1926
Mar–May 1909 3-Month	44.9°F (7.2°C)	47.5°F (8.6°C)	-2.6°F (-1.4°C)	14th Coolest	Coolest since: 1907	1926
	44.9°F (7.2°C)	47.5°F (8.6°C)	-2.6°F (-1.4°C)	115th Warmest	Warmest since: 1908	2012
	Ties: 1904, 1932
Feb–May 1909 4-Month	41.0°F (5.0°C)	41.9°F (5.5°C)	-0.9°F (-0.5°C)	42nd Coolest	Coolest since: 1907	1904, 1947
	41.0°F (5.0°C)	41.9°F (5.5°C)	-0.9°F (-0.5°C)	87th Warmest	Warmest since: 1908	2012
	Ties: 1933, 1963, 2019
Jan–May 1909 5-Month	37.7°F (3.2°C)	37.7°F (3.2°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1907	1912
	37.7°F (3.2°C)	37.7°F (3.2°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1908	2012
	Ties: 1914, 1961, 2009, 2011
Dec 1908–May 1909 6-Month	36.0°F (2.2°C)	35.8°F (2.1°C)	0.2°F (0.1°C)	64th Coolest	Coolest since: 1907	1904
	36.0°F (2.2°C)	35.8°F (2.1°C)	0.2°F (0.1°C)	64th Warmest	Warmest since: 1908	2012
	Ties: 1913, 1964, 2018, 2019
Nov 1908–May 1909 7-Month	36.3°F (2.4°C)	36.1°F (2.3°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1907	1904
	36.3°F (2.4°C)	36.1°F (2.3°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1908	2012
	Ties: 1898, 1906, 1968
Oct 1908–May 1909 8-Month	38.2°F (3.4°C)	38.1°F (3.4°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1908	1904
	38.2°F (3.4°C)	38.1°F (3.4°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1908	2012
	Ties: 1908, 1915, 1933, 1935, 1944, 1945, 1950, 1993
Sep 1908–May 1909 9-Month	41.5°F (5.3°C)	40.9°F (4.9°C)	0.6°F (0.4°C)	79th Coolest	Coolest since: 1908	1904
	41.5°F (5.3°C)	40.9°F (4.9°C)	0.6°F (0.4°C)	49th Warmest	Warmest since: 1903	2012
	Ties: 1938, 1946, 1981, 1986
Aug 1908–May 1909 10-Month	44.4°F (6.9°C)	44.0°F (6.7°C)	0.4°F (0.2°C)	76th Coolest	Coolest since: 1908	1904
	44.4°F (6.9°C)	44.0°F (6.7°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1900	2012
	Ties: 1900, 1946, 1973, 1988, 2011
Jul 1908–May 1909 11-Month	47.0°F (8.3°C)	46.7°F (8.2°C)	0.3°F (0.1°C)	72nd Coolest	Coolest since: 1908	1904
	47.0°F (8.3°C)	46.7°F (8.2°C)	0.3°F (0.1°C)	56th Warmest	Warmest since: 1900	2012
	Ties: 1935, 1948, 1972
Jun 1908–May 1909 12-Month	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	65th Coolest	Coolest since: 1908	1904
	48.6°F (9.2°C)	48.4°F (9.1°C)	0.2°F (0.1°C)	63rd Warmest	Warmest since: 1900	2012
	Ties: 1956
Dec 1907–May 1909 18-Month	44.8°F (7.1°C)	44.3°F (6.8°C)	0.5°F (0.3°C)	82nd Coolest	Coolest since: 1908	1905, 1918
	44.8°F (7.1°C)	44.3°F (6.8°C)	0.5°F (0.3°C)	45th Warmest	Warmest since: 1898	2017
	Ties: 1915, 1923, 1995
Jun 1907–May 1909 24-Month	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1908	1905
	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	77th Warmest	Warmest since: 1907	2017
	Ties: 1907, 1964
Jun 1906–May 1909 36-Month	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	42nd Coolest	Coolest since: 1908	1918
	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1903	2000
	Ties: 1901, 1937, 1948, 1959, 1964, 1965, 1995, 1997
Jun 1905–May 1909 48-Month	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1908	1907
	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1903	2001
	Ties: 1900, 1902, 1916, 1921, 1946, 1959
Jun 1904–May 1909 60-Month	47.9°F (8.8°C)	48.4°F (9.1°C)	-0.5°F (-0.3°C)	19th Coolest	Coolest since: 1908	1908
	47.9°F (8.8°C)	48.4°F (9.1°C)	-0.5°F (-0.3°C)	105th Warmest	Warmest since: 1903	2002
	Ties: 1913, 1916, 1962, 1970, 1971, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings