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 1915

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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 1915 1-Month	54.3°F (12.4°C)	59.0°F (15.0°C)	-4.7°F (-2.6°C)	10th Coolest	Coolest since: 1910	1907
	54.3°F (12.4°C)	59.0°F (15.0°C)	-4.7°F (-2.6°C)	119th Warmest	Warmest since: 1914	1977
	Ties: 1967
Apr–May 1915 2-Month	54.9°F (12.7°C)	53.4°F (11.9°C)	1.5°F (0.8°C)	93rd Coolest	Coolest since: 1914	1907
	54.9°F (12.7°C)	53.4°F (11.9°C)	1.5°F (0.8°C)	36th Warmest	Warmest since: 1911	1977
	Ties: 1906
Mar–May 1915 3-Month	47.3°F (8.5°C)	47.5°F (8.6°C)	-0.2°F (-0.1°C)	58th Coolest	Coolest since: 1913	1926
	47.3°F (8.5°C)	47.5°F (8.6°C)	-0.2°F (-0.1°C)	71st Warmest	Warmest since: 1914	2012
	Ties: 1995
Feb–May 1915 4-Month	43.3°F (6.3°C)	41.9°F (5.5°C)	1.4°F (0.8°C)	92nd Coolest	Coolest since: 1914	1904
	43.3°F (6.3°C)	41.9°F (5.5°C)	1.4°F (0.8°C)	37th Warmest	Warmest since: 1911	2012
	Ties: 1903, 2020
Jan–May 1915 5-Month	38.1°F (3.4°C)	37.7°F (3.2°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1914	1912
Jan–May 1915 5-Month	38.1°F (3.4°C)	37.7°F (3.2°C)	0.4°F (0.2°C)	59th Warmest	Warmest since: 1911	2012
Dec 1914–May 1915 6-Month	34.9°F (1.6°C)	35.8°F (2.1°C)	-0.9°F (-0.5°C)	34th Coolest	Coolest since: 1912	1904
	34.9°F (1.6°C)	35.8°F (2.1°C)	-0.9°F (-0.5°C)	94th Warmest	Warmest since: 1914	2012
	Ties: 1935, 1997
Nov 1914–May 1915 7-Month	35.7°F (2.1°C)	36.1°F (2.3°C)	-0.4°F (-0.2°C)	43rd Coolest	Coolest since: 1912	1904
	35.7°F (2.1°C)	36.1°F (2.3°C)	-0.4°F (-0.2°C)	85th Warmest	Warmest since: 1914	2012
	Ties: 1965, 2001, 2011, 2019
Oct 1914–May 1915 8-Month	38.2°F (3.4°C)	38.1°F (3.4°C)	0.1°F (0.0°C)	59th Coolest	Coolest since: 1912	1904
	38.2°F (3.4°C)	38.1°F (3.4°C)	0.1°F (0.0°C)	69th Warmest	Warmest since: 1914	2012
	Ties: 1935, 1945, 1950, 1993
Sep 1914–May 1915 9-Month	40.9°F (4.9°C)	41.0°F (5.0°C)	-0.1°F (-0.1°C)	56th Coolest	Coolest since: 1912	1904
	40.9°F (4.9°C)	41.0°F (5.0°C)	-0.1°F (-0.1°C)	72nd Warmest	Warmest since: 1914	2012
	Ties: 1933, 1935, 1948, 1966, 1975, 2019
Aug 1914–May 1915 10-Month	44.1°F (6.7°C)	44.0°F (6.7°C)	0.1°F (0.0°C)	60th Coolest	Coolest since: 1913	1904
	44.1°F (6.7°C)	44.0°F (6.7°C)	0.1°F (0.0°C)	68th Warmest	Warmest since: 1914	2012
	Ties: 1901, 2019
Jul 1914–May 1915 11-Month	46.8°F (8.2°C)	46.6°F (8.1°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1913	1904
	46.8°F (8.2°C)	46.6°F (8.1°C)	0.2°F (0.1°C)	68th Warmest	Warmest since: 1914	2012
	Ties: 1903, 1933, 1946, 1973, 1986, 2019
Jun 1914–May 1915 12-Month	48.7°F (9.3°C)	48.5°F (9.2°C)	0.2°F (0.1°C)	68th Coolest	Coolest since: 1913	1904
	48.7°F (9.3°C)	48.5°F (9.2°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1914	2012
	Ties: 1909, 1933, 1950
Dec 1913–May 1915 18-Month	44.8°F (7.1°C)	44.2°F (6.8°C)	0.6°F (0.3°C)	82nd Coolest	Coolest since: 1913	1905, 1918
	44.8°F (7.1°C)	44.2°F (6.8°C)	0.6°F (0.3°C)	45th Warmest	Warmest since: 1914	2017
	Ties: 1909, 1923, 1995
Jun 1913–May 1915 24-Month	49.1°F (9.5°C)	48.5°F (9.2°C)	0.6°F (0.3°C)	89th Coolest	Coolest since: 1914	1905
	49.1°F (9.5°C)	48.5°F (9.2°C)	0.6°F (0.3°C)	38th Warmest	Warmest to Date	2017
	Ties: 1974, 1985, 1986, 1998
Jun 1912–May 1915 36-Month	48.8°F (9.3°C)	48.4°F (9.1°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1914	1918
	48.8°F (9.3°C)	48.4°F (9.1°C)	0.4°F (0.2°C)	51st Warmest	Warmest since: 1898	2000
	Ties: 1898, 1950
Jun 1911–May 1915 48-Month	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	30th Coolest	Coolest since: 1913	1907
	48.1°F (8.9°C)	48.4°F (9.1°C)	-0.3°F (-0.2°C)	95th Warmest	Warmest since: 1914	2001
	Ties: 1910, 1960, 1965, 1969, 1996, 1997
Jun 1910–May 1915 60-Month	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	48th Coolest	Coolest since: 1914	1908
	48.3°F (9.1°C)	48.4°F (9.1°C)	-0.1°F (0.0°C)	76th Warmest	Warmest since: 1903	2002
	Ties: 1901, 1903, 1968

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings