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 2011

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 2011 1-Month	57.2°F (14.0°C)	52.0°F (11.1°C)	5.2°F (2.9°C)	124th Coolest	Coolest since: 2009	1907
	57.2°F (14.0°C)	52.0°F (11.1°C)	5.2°F (2.9°C)	5th Warmest	Warmest since: 2010	2017
	Ties: 1921, 1960
Mar–Apr 2011 2-Month	50.6°F (10.3°C)	47.4°F (8.6°C)	3.2°F (1.7°C)	114th Coolest	Coolest since: 2009	1940
	50.6°F (10.3°C)	47.4°F (8.6°C)	3.2°F (1.7°C)	15th Warmest	Warmest since: 2010	1921
	Ties: 2000, 2008, 2020
Feb–Apr 2011 3-Month	46.6°F (8.1°C)	43.0°F (6.1°C)	3.6°F (2.0°C)	113th Coolest	Coolest since: 2010	1934
Feb–Apr 2011 3-Month	46.6°F (8.1°C)	43.0°F (6.1°C)	3.6°F (2.0°C)	16th Warmest	Warmest since: 2008	2012
Jan–Apr 2011 4-Month	42.6°F (5.9°C)	40.7°F (4.8°C)	1.9°F (1.1°C)	100th Coolest	Coolest since: 2010	1940
	42.6°F (5.9°C)	40.7°F (4.8°C)	1.9°F (1.1°C)	29th Warmest	Warmest since: 2010	2012
	Ties: 1995, 2010, 2022
Dec 2010–Apr 2011 5-Month	40.4°F (4.7°C)	39.8°F (4.3°C)	0.6°F (0.4°C)	74th Coolest	Coolest since: 2003	1904
	40.4°F (4.7°C)	39.8°F (4.3°C)	0.6°F (0.4°C)	54th Warmest	Warmest since: 2010	2012
	Ties: 1930, 1955
Nov 2010–Apr 2011 6-Month	41.6°F (5.3°C)	40.8°F (4.9°C)	0.8°F (0.4°C)	77th Coolest	Coolest since: 2003	1904
	41.6°F (5.3°C)	40.8°F (4.9°C)	0.8°F (0.4°C)	51st Warmest	Warmest since: 2010	2012
	Ties: 1975
Oct 2010–Apr 2011 7-Month	44.0°F (6.7°C)	43.0°F (6.1°C)	1.0°F (0.6°C)	82nd Coolest	Coolest since: 2003	1904
	44.0°F (6.7°C)	43.0°F (6.1°C)	1.0°F (0.6°C)	46th Warmest	Warmest since: 2010	2012
	Ties: 1909, 1933
Sep 2010–Apr 2011 8-Month	47.4°F (8.6°C)	46.0°F (7.8°C)	1.4°F (0.8°C)	96th Coolest	Coolest since: 2009	1918
	47.4°F (8.6°C)	46.0°F (7.8°C)	1.4°F (0.8°C)	32nd Warmest	Warmest since: 2010	2012
	Ties: 1950, 1957, 1983, 1997, 2009
Aug 2010–Apr 2011 9-Month	50.7°F (10.4°C)	49.1°F (9.5°C)	1.6°F (0.9°C)	102nd Coolest	Coolest since: 2009	1918
	50.7°F (10.4°C)	49.1°F (9.5°C)	1.6°F (0.9°C)	26th Warmest	Warmest since: 2010	2017
	Ties: 1954, 1990, 1995, 2004
Jul 2010–Apr 2011 10-Month	53.6°F (12.0°C)	51.7°F (10.9°C)	1.9°F (1.1°C)	107th Coolest	Coolest since: 2010	1918
	53.6°F (12.0°C)	51.7°F (10.9°C)	1.9°F (1.1°C)	21st Warmest	Warmest since: 2008	2012, 2017
	Ties: 2018
Jun 2010–Apr 2011 11-Month	55.8°F (13.2°C)	53.5°F (11.9°C)	2.3°F (1.3°C)	113th Coolest	Coolest since: 2010	1904
Jun 2010–Apr 2011 11-Month	55.8°F (13.2°C)	53.5°F (11.9°C)	2.3°F (1.3°C)	15th Warmest	Warmest since: 2008	2012
May 2010–Apr 2011 12-Month	56.7°F (13.7°C)	54.2°F (12.3°C)	2.5°F (1.4°C)	116th Coolest	Coolest since: 2010	1918
	56.7°F (13.7°C)	54.2°F (12.3°C)	2.5°F (1.4°C)	12th Warmest	Warmest since: 2008	2012
	Ties: 1932
Nov 2009–Apr 2011 18-Month	52.1°F (11.2°C)	49.7°F (9.8°C)	2.4°F (1.4°C)	112th Coolest	Coolest since: 2010	1905
	52.1°F (11.2°C)	49.7°F (9.8°C)	2.4°F (1.4°C)	15th Warmest	Warmest since: 2008	2017
	Ties: 2016
May 2009–Apr 2011 24-Month	56.2°F (13.4°C)	54.2°F (12.3°C)	2.0°F (1.1°C)	110th Coolest	Coolest since: 2010	1905
May 2009–Apr 2011 24-Month	56.2°F (13.4°C)	54.2°F (12.3°C)	2.0°F (1.1°C)	17th Warmest	Warmest since: 2009	2017
May 2008–Apr 2011 36-Month	56.0°F (13.3°C)	54.2°F (12.3°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 2006	1906
	56.0°F (13.3°C)	54.2°F (12.3°C)	1.8°F (1.0°C)	17th Warmest	Warmest since: 2010	2021
	Ties: 2006
May 2007–Apr 2011 48-Month	56.3°F (13.5°C)	54.2°F (12.3°C)	2.1°F (1.2°C)	113th Coolest	Coolest since: 2010	1905
May 2007–Apr 2011 48-Month	56.3°F (13.5°C)	54.2°F (12.3°C)	2.1°F (1.2°C)	12th Warmest	Warmest since: 2009	2019, 2020
May 2006–Apr 2011 60-Month	56.2°F (13.4°C)	54.1°F (12.3°C)	2.1°F (1.1°C)	109th Coolest	Coolest since: 2007	1908
May 2006–Apr 2011 60-Month	56.2°F (13.4°C)	54.1°F (12.3°C)	2.1°F (1.1°C)	15th Warmest	Warmest since: 2010	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings