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, June 2009

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 2009 1-Month	70.9°F (21.6°C)	70.7°F (21.5°C)	0.2°F (0.1°C)	53rd Coolest	Coolest since: 2003	1907
June 2009 1-Month	70.9°F (21.6°C)	70.7°F (21.5°C)	0.2°F (0.1°C)	76th Warmest	Warmest since: 2008	2010
May–Jun 2009 2-Month	67.4°F (19.7°C)	66.5°F (19.2°C)	0.9°F (0.5°C)	82nd Coolest	Coolest since: 2005	1907
May–Jun 2009 2-Month	67.4°F (19.7°C)	66.5°F (19.2°C)	0.9°F (0.5°C)	47th Warmest	Warmest since: 2008	2010
Apr–Jun 2009 3-Month	63.2°F (17.3°C)	61.6°F (16.4°C)	1.6°F (0.9°C)	102nd Coolest	Coolest since: 2007	1907
	63.2°F (17.3°C)	61.6°F (16.4°C)	1.6°F (0.9°C)	27th Warmest	Warmest since: 2008	2010
	Ties: 1953, 2022
Mar–Jun 2009 4-Month	58.3°F (14.6°C)	56.9°F (13.8°C)	1.4°F (0.8°C)	96th Coolest	Coolest since: 2005	1907
	58.3°F (14.6°C)	56.9°F (13.8°C)	1.4°F (0.8°C)	33rd Warmest	Warmest since: 2008	2010
	Ties: 1913, 1990, 2018
Feb–Jun 2009 5-Month	54.3°F (12.4°C)	52.4°F (11.3°C)	1.9°F (1.1°C)	101st Coolest	Coolest since: 2007	1907
Feb–Jun 2009 5-Month	54.3°F (12.4°C)	52.4°F (11.3°C)	1.9°F (1.1°C)	28th Warmest	Warmest since: 2008	2012
Jan–Jun 2009 6-Month	50.4°F (10.2°C)	49.2°F (9.6°C)	1.2°F (0.6°C)	90th Coolest	Coolest since: 2005	1940
	50.4°F (10.2°C)	49.2°F (9.6°C)	1.2°F (0.6°C)	39th Warmest	Warmest since: 2008	2012
	Ties: 1909, 1938, 1959, 1973
Dec 2008–Jun 2009 7-Month	49.0°F (9.4°C)	47.4°F (8.6°C)	1.6°F (0.8°C)	95th Coolest	Coolest since: 2005	1904
Dec 2008–Jun 2009 7-Month	49.0°F (9.4°C)	47.4°F (8.6°C)	1.6°F (0.8°C)	33rd Warmest	Warmest since: 2008	2012
Nov 2008–Jun 2009 8-Month	48.5°F (9.2°C)	47.2°F (8.4°C)	1.3°F (0.8°C)	95th Coolest	Coolest since: 2005	1904
	48.5°F (9.2°C)	47.2°F (8.4°C)	1.3°F (0.8°C)	33rd Warmest	Warmest since: 2008	2012
	Ties: 1933, 1973, 1974, 1986, 1990
Oct 2008–Jun 2009 9-Month	49.4°F (9.7°C)	48.2°F (9.0°C)	1.2°F (0.7°C)	90th Coolest	Coolest since: 2005	1904
	49.4°F (9.7°C)	48.2°F (9.0°C)	1.2°F (0.7°C)	38th Warmest	Warmest since: 2008	2012
	Ties: 1933
Sep 2008–Jun 2009 10-Month	51.4°F (10.8°C)	50.1°F (10.1°C)	1.3°F (0.7°C)	94th Coolest	Coolest since: 2005	1918
	51.4°F (10.8°C)	50.1°F (10.1°C)	1.3°F (0.7°C)	34th Warmest	Warmest since: 2008	2012
	Ties: 1953
Aug 2008–Jun 2009 11-Month	53.4°F (11.9°C)	52.3°F (11.3°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 2005	1904
	53.4°F (11.9°C)	52.3°F (11.3°C)	1.1°F (0.6°C)	35th Warmest	Warmest since: 2008	2012
	Ties: 1933, 1939
Jul 2008–Jun 2009 12-Month	55.4°F (13.0°C)	54.2°F (12.3°C)	1.2°F (0.7°C)	98th Coolest	Coolest since: 2005	1904
	55.4°F (13.0°C)	54.2°F (12.3°C)	1.2°F (0.7°C)	30th Warmest	Warmest since: 2008	2012
	Ties: 1954, 1985, 1986
Jan 2008–Jun 2009 18-Month	54.3°F (12.4°C)	52.5°F (11.4°C)	1.8°F (1.0°C)	109th Coolest	Coolest since: 2005	1905
	54.3°F (12.4°C)	52.5°F (11.4°C)	1.8°F (1.0°C)	19th Warmest	Warmest since: 2008	2012
	Ties: 1950, 1992, 1998
Jul 2007–Jun 2009 24-Month	56.3°F (13.5°C)	54.2°F (12.3°C)	2.1°F (1.2°C)	113th Coolest	Coolest since: 2006	1905
	56.3°F (13.5°C)	54.2°F (12.3°C)	2.1°F (1.2°C)	14th Warmest	Warmest since: 2008	2017
	Ties: 1991
Jul 2006–Jun 2009 36-Month	56.3°F (13.5°C)	54.2°F (12.3°C)	2.1°F (1.2°C)	114th Coolest	Coolest since: 2007	1906
	56.3°F (13.5°C)	54.2°F (12.3°C)	2.1°F (1.2°C)	12th Warmest	Warmest since: 2008	2018, 2019, 2021
	Ties: 2010
Jul 2005–Jun 2009 48-Month	56.5°F (13.6°C)	54.2°F (12.3°C)	2.3°F (1.3°C)	116th Coolest	Coolest since: 2008	1907
	56.5°F (13.6°C)	54.2°F (12.3°C)	2.3°F (1.3°C)	9th Warmest	Warmest to Date	2019, 2020
	Ties: 2017
Jul 2004–Jun 2009 60-Month	56.2°F (13.4°C)	54.2°F (12.3°C)	2.0°F (1.1°C)	109th Coolest	Coolest since: 2007	1908
	56.2°F (13.4°C)	54.2°F (12.3°C)	2.0°F (1.1°C)	15th Warmest	Warmest since: 2008	2020, 2021
	Ties: 2002

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings