Statewide 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.

Delaware

Average Temperature Rankings, April 2015

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 2015 1-Month	54.2°F (12.3°C)	52.0°F (11.1°C)	2.2°F (1.2°C)	92nd Coolest	Coolest since: 2014	1907
	54.2°F (12.3°C)	52.0°F (11.1°C)	2.2°F (1.2°C)	37th Warmest	Warmest since: 2013	2017
	Ties: 1929
Mar–Apr 2015 2-Month	47.1°F (8.4°C)	47.4°F (8.6°C)	-0.3°F (-0.2°C)	57th Coolest	Coolest since: 2014	1940
Mar–Apr 2015 2-Month	47.1°F (8.4°C)	47.4°F (8.6°C)	-0.3°F (-0.2°C)	72nd Warmest	Warmest since: 2013	1921
Feb–Apr 2015 3-Month	40.2°F (4.6°C)	43.1°F (6.2°C)	-2.9°F (-1.6°C)	13th Coolest	Coolest since: 1978	1934
	40.2°F (4.6°C)	43.1°F (6.2°C)	-2.9°F (-1.6°C)	116th Warmest	Warmest since: 2014	2012
	Ties: 1958
Jan–Apr 2015 4-Month	38.2°F (3.4°C)	40.7°F (4.8°C)	-2.5°F (-1.4°C)	16th Coolest	Coolest since: 1978	1940
Jan–Apr 2015 4-Month	38.2°F (3.4°C)	40.7°F (4.8°C)	-2.5°F (-1.4°C)	113th Warmest	Warmest since: 2014	2012
Dec 2014–Apr 2015 5-Month	38.7°F (3.7°C)	39.7°F (4.3°C)	-1.0°F (-0.6°C)	36th Coolest	Coolest since: 1996	1904
	38.7°F (3.7°C)	39.7°F (4.3°C)	-1.0°F (-0.6°C)	92nd Warmest	Warmest since: 2014	2012
	Ties: 1962, 1966
Nov 2014–Apr 2015 6-Month	39.7°F (4.3°C)	40.7°F (4.8°C)	-1.0°F (-0.5°C)	29th Coolest	Coolest since: 1996	1904
	39.7°F (4.3°C)	40.7°F (4.8°C)	-1.0°F (-0.5°C)	99th Warmest	Warmest since: 2014	2012
	Ties: 1958
Oct 2014–Apr 2015 7-Month	42.5°F (5.8°C)	43.0°F (6.1°C)	-0.5°F (-0.3°C)	43rd Coolest	Coolest since: 1996	1904
	42.5°F (5.8°C)	43.0°F (6.1°C)	-0.5°F (-0.3°C)	85th Warmest	Warmest since: 2014	2012
	Ties: 1964, 1969, 1984
Sep 2014–Apr 2015 8-Month	45.8°F (7.7°C)	46.0°F (7.8°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 2001	1918
	45.8°F (7.7°C)	46.0°F (7.8°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 2014	2012
	Ties: 1923, 1981, 2001
Aug 2014–Apr 2015 9-Month	48.8°F (9.3°C)	49.1°F (9.5°C)	-0.3°F (-0.2°C)	42nd Coolest	Coolest since: 2001	1918
	48.8°F (9.3°C)	49.1°F (9.5°C)	-0.3°F (-0.2°C)	86th Warmest	Warmest since: 2014	2017
	Ties: 1906, 1948, 1979, 1993, 2001
Jul 2014–Apr 2015 10-Month	51.5°F (10.8°C)	51.7°F (10.9°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 2001	1918
	51.5°F (10.8°C)	51.7°F (10.9°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 2014	2012, 2017
	Ties: 1906, 1931, 1967, 1993
Jun 2014–Apr 2015 11-Month	53.4°F (11.9°C)	53.4°F (11.9°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 2001	1904
	53.4°F (11.9°C)	53.4°F (11.9°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 2014	2012
	Ties: 1931, 1947, 1969
May 2014–Apr 2015 12-Month	54.4°F (12.4°C)	54.2°F (12.3°C)	0.2°F (0.1°C)	64th Coolest	Coolest since: 2001	1918
	54.4°F (12.4°C)	54.2°F (12.3°C)	0.2°F (0.1°C)	64th Warmest	Warmest since: 2014	2012
	Ties: 1922, 1929, 1971, 1981
Nov 2013–Apr 2015 18-Month	49.7°F (9.8°C)	49.7°F (9.8°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 1997	1905
	49.7°F (9.8°C)	49.7°F (9.8°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 2014	2017
	Ties: 1901, 1956, 1977, 1997
May 2013–Apr 2015 24-Month	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F (0.3°C)	75th Coolest	Coolest since: 1997	1905
	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F (0.3°C)	52nd Warmest	Warmest since: 2014	2017
	Ties: 1939, 1945, 1973, 1984, 1997
May 2012–Apr 2015 36-Month	55.4°F (13.0°C)	54.2°F (12.3°C)	1.2°F (0.7°C)	101st Coolest	Coolest since: 2005	1906
	55.4°F (13.0°C)	54.2°F (12.3°C)	1.2°F (0.7°C)	25th Warmest	Warmest since: 2014	2021
	Ties: 1993
May 2011–Apr 2015 48-Month	56.2°F (13.4°C)	54.1°F (12.3°C)	2.1°F (1.1°C)	112th Coolest	Coolest since: 2010	1905
	56.2°F (13.4°C)	54.1°F (12.3°C)	2.1°F (1.1°C)	13th Warmest	Warmest since: 2014	2019, 2020
	Ties: 2002
May 2010–Apr 2015 60-Month	56.3°F (13.5°C)	54.1°F (12.3°C)	2.2°F (1.2°C)	113th Coolest	Coolest since: 2011	1908
	56.3°F (13.5°C)	54.1°F (12.3°C)	2.2°F (1.2°C)	11th Warmest	Warmest since: 2014	2020
	Ties: 2008, 2009, 2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings