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 1964

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1964 1-Month	64.4°F (18.0°C)	59.0°F (15.0°C)	5.4°F (3.0°C)	118th Coolest	Coolest since: 1963	1907
May 1964 1-Month	64.4°F (18.0°C)	59.0°F (15.0°C)	5.4°F (3.0°C)	11th Warmest	Warmest since: 1962	1977
Apr–May 1964 2-Month	56.8°F (13.8°C)	53.4°F (11.9°C)	3.4°F (1.9°C)	116th Coolest	Coolest since: 1963	1907
Apr–May 1964 2-Month	56.8°F (13.8°C)	53.4°F (11.9°C)	3.4°F (1.9°C)	13th Warmest	Warmest since: 1955	1977
Mar–May 1964 3-Month	49.3°F (9.6°C)	47.5°F (8.6°C)	1.8°F (1.0°C)	101st Coolest	Coolest since: 1963	1926
	49.3°F (9.6°C)	47.5°F (8.6°C)	1.8°F (1.0°C)	28th Warmest	Warmest since: 1955	2012
	Ties: 1918, 1968, 1988
Feb–May 1964 4-Month	43.6°F (6.4°C)	41.9°F (5.5°C)	1.7°F (0.9°C)	98th Coolest	Coolest since: 1963	1904
	43.6°F (6.4°C)	41.9°F (5.5°C)	1.7°F (0.9°C)	31st Warmest	Warmest since: 1955	2012
	Ties: 1954, 1973
Jan–May 1964 5-Month	40.3°F (4.6°C)	37.7°F (3.2°C)	2.6°F (1.4°C)	111th Coolest	Coolest since: 1963	1912
	40.3°F (4.6°C)	37.7°F (3.2°C)	2.6°F (1.4°C)	18th Warmest	Warmest since: 1946	2012
	Ties: 2005
Dec 1963–May 1964 6-Month	36.0°F (2.2°C)	35.8°F (2.1°C)	0.2°F (0.1°C)	65th Coolest	Coolest since: 1963	1904
	36.0°F (2.2°C)	35.8°F (2.1°C)	0.2°F (0.1°C)	63rd Warmest	Warmest since: 1957	2012
	Ties: 1909, 1913, 2018
Nov 1963–May 1964 7-Month	37.0°F (2.8°C)	36.1°F (2.3°C)	0.9°F (0.5°C)	84th Coolest	Coolest since: 1963	1904
Nov 1963–May 1964 7-Month	37.0°F (2.8°C)	36.1°F (2.3°C)	0.9°F (0.5°C)	44th Warmest	Warmest since: 1955	2012
Oct 1963–May 1964 8-Month	40.0°F (4.4°C)	38.1°F (3.4°C)	1.9°F (1.0°C)	105th Coolest	Coolest since: 1963	1904
	40.0°F (4.4°C)	38.1°F (3.4°C)	1.9°F (1.0°C)	23rd Warmest	Warmest since: 1954	2012
	Ties: 1992, 1995, 2021
Sep 1963–May 1964 9-Month	42.7°F (5.9°C)	41.0°F (5.0°C)	1.7°F (0.9°C)	107th Coolest	Coolest since: 1963	1904
	42.7°F (5.9°C)	41.0°F (5.0°C)	1.7°F (0.9°C)	21st Warmest	Warmest since: 1955	2012
	Ties: 1955, 1976, 1995, 2021
Aug 1963–May 1964 10-Month	45.3°F (7.4°C)	44.0°F (6.7°C)	1.3°F (0.7°C)	100th Coolest	Coolest since: 1963	1904
	45.3°F (7.4°C)	44.0°F (6.7°C)	1.3°F (0.7°C)	28th Warmest	Warmest since: 1955	2012
	Ties: 1974, 1985, 1995
Jul 1963–May 1964 11-Month	47.8°F (8.8°C)	46.6°F (8.1°C)	1.2°F (0.7°C)	99th Coolest	Coolest since: 1963	1904
Jul 1963–May 1964 11-Month	47.8°F (8.8°C)	46.6°F (8.1°C)	1.2°F (0.7°C)	29th Warmest	Warmest since: 1955	2012
Jun 1963–May 1964 12-Month	49.7°F (9.8°C)	48.5°F (9.2°C)	1.2°F (0.6°C)	102nd Coolest	Coolest since: 1963	1904
	49.7°F (9.8°C)	48.5°F (9.2°C)	1.2°F (0.6°C)	26th Warmest	Warmest since: 1955	2012
	Ties: 1934, 1939, 1985, 2005
Dec 1962–May 1964 18-Month	44.1°F (6.7°C)	44.2°F (6.8°C)	-0.1°F (-0.1°C)	54th Coolest	Coolest since: 1963	1905, 1918
	44.1°F (6.7°C)	44.2°F (6.8°C)	-0.1°F (-0.1°C)	73rd Warmest	Warmest since: 1957	2017
	Ties: 1911, 1920, 1941, 1943, 1985
Jun 1962–May 1964 24-Month	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	49th Coolest	Coolest since: 1963	1905
	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 1958	2017
	Ties: 1907, 1909, 1948
Jun 1961–May 1964 36-Month	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	42nd Coolest	Coolest since: 1963	1918
	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	84th Warmest	Warmest since: 1959	2000
	Ties: 1901, 1909, 1937, 1948, 1959, 1965, 1995, 1997
Jun 1960–May 1964 48-Month	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	37th Coolest	Coolest since: 1963	1907
	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	88th Warmest	Warmest since: 1959	2001
	Ties: 1911, 1914, 1931, 1951, 1966, 1972, 1973
Jun 1959–May 1964 60-Month	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	36th Coolest	Coolest since: 1963	1908
	48.2°F (9.0°C)	48.4°F (9.1°C)	-0.2°F (-0.1°C)	88th Warmest	Warmest since: 1961	2002
	Ties: 1911, 1926, 1947, 1951, 1953, 1960, 1961, 1965, 1967, 1973, 1978

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 21, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings