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 1921

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1921 1-Month	57.2°F (14.0°C)	52.0°F (11.1°C)	5.2°F (2.9°C)	124th Coolest	Coolest since: 1920	1907
	57.2°F (14.0°C)	52.0°F (11.1°C)	5.2°F (2.9°C)	5th Warmest	Warmest to Date	2017
	Ties: 1960, 2011
Mar–Apr 1921 2-Month	55.4°F (13.0°C)	47.3°F (8.5°C)	8.1°F (4.5°C)	128th Coolest	Coolest since: 1920	1940
Mar–Apr 1921 2-Month	55.4°F (13.0°C)	47.3°F (8.5°C)	8.1°F (4.5°C)	1st Warmest	Warmest to Date	1921
Feb–Apr 1921 3-Month	49.4°F (9.7°C)	43.1°F (6.2°C)	6.3°F (3.5°C)	127th Coolest	Coolest since: 1920	1934
Feb–Apr 1921 3-Month	49.4°F (9.7°C)	43.1°F (6.2°C)	6.3°F (3.5°C)	2nd Warmest	Warmest to Date	2012
Jan–Apr 1921 4-Month	46.0°F (7.8°C)	40.6°F (4.8°C)	5.4°F (3.0°C)	125th Coolest	Coolest since: 1920	1940
	46.0°F (7.8°C)	40.6°F (4.8°C)	5.4°F (3.0°C)	4th Warmest	Warmest to Date	2012
	Ties: 1990, 1998
Dec 1920–Apr 1921 5-Month	44.4°F (6.9°C)	39.7°F (4.3°C)	4.7°F (2.6°C)	121st Coolest	Coolest since: 1920	1904
Dec 1920–Apr 1921 5-Month	44.4°F (6.9°C)	39.7°F (4.3°C)	4.7°F (2.6°C)	7th Warmest	Warmest to Date	2012
Nov 1920–Apr 1921 6-Month	44.5°F (6.9°C)	40.7°F (4.8°C)	3.8°F (2.1°C)	121st Coolest	Coolest since: 1920	1904
	44.5°F (6.9°C)	40.7°F (4.8°C)	3.8°F (2.1°C)	7th Warmest	Warmest to Date	2012
	Ties: 2020
Oct 1920–Apr 1921 7-Month	46.7°F (8.2°C)	43.0°F (6.1°C)	3.7°F (2.1°C)	121st Coolest	Coolest since: 1920	1904
	46.7°F (8.2°C)	43.0°F (6.1°C)	3.7°F (2.1°C)	7th Warmest	Warmest to Date	2012
	Ties: 2008
Sep 1920–Apr 1921 8-Month	49.3°F (9.6°C)	46.1°F (7.8°C)	3.2°F (1.8°C)	116th Coolest	Coolest since: 1920	1918
Sep 1920–Apr 1921 8-Month	49.3°F (9.6°C)	46.1°F (7.8°C)	3.2°F (1.8°C)	12th Warmest	Warmest to Date	2012
Aug 1920–Apr 1921 9-Month	52.0°F (11.1°C)	49.1°F (9.5°C)	2.9°F (1.6°C)	115th Coolest	Coolest since: 1920	1918
Aug 1920–Apr 1921 9-Month	52.0°F (11.1°C)	49.1°F (9.5°C)	2.9°F (1.6°C)	13th Warmest	Warmest to Date	2017
Jul 1920–Apr 1921 10-Month	54.1°F (12.3°C)	51.8°F (11.0°C)	2.3°F (1.3°C)	113th Coolest	Coolest since: 1920	1918
	54.1°F (12.3°C)	51.8°F (11.0°C)	2.3°F (1.3°C)	15th Warmest	Warmest to Date	2012, 2017
	Ties: 1998, 1999
Jun 1920–Apr 1921 11-Month	55.5°F (13.1°C)	53.5°F (11.9°C)	2.0°F (1.2°C)	111th Coolest	Coolest since: 1920	1904
	55.5°F (13.1°C)	53.5°F (11.9°C)	2.0°F (1.2°C)	17th Warmest	Warmest to Date	2012
	Ties: 1974, 1998, 2007
May 1920–Apr 1921 12-Month	55.7°F (13.2°C)	54.2°F (12.3°C)	1.5°F (0.9°C)	103rd Coolest	Coolest since: 1920	1918
	55.7°F (13.2°C)	54.2°F (12.3°C)	1.5°F (0.9°C)	25th Warmest	Warmest to Date	2012
	Ties: 1949, 1950, 1995, 2010
Nov 1919–Apr 1921 18-Month	49.8°F (9.9°C)	49.7°F (9.8°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1920	1905
	49.8°F (9.9°C)	49.7°F (9.8°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 1914	2017
	Ties: 1913, 1993
May 1919–Apr 1921 24-Month	54.4°F (12.4°C)	54.2°F (12.3°C)	0.2°F (0.1°C)	63rd Coolest	Coolest since: 1920	1905
	54.4°F (12.4°C)	54.2°F (12.3°C)	0.2°F (0.1°C)	64th Warmest	Warmest since: 1914	2017
	Ties: 1947, 1952, 1957, 1958, 1977
May 1918–Apr 1921 36-Month	54.5°F (12.5°C)	54.2°F (12.3°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1920	1906
	54.5°F (12.5°C)	54.2°F (12.3°C)	0.3°F (0.2°C)	58th Warmest	Warmest to Date	2021
	Ties: 1949, 1957, 1973
May 1917–Apr 1921 48-Month	53.6°F (12.0°C)	54.2°F (12.3°C)	-0.6°F (-0.3°C)	23rd Coolest	Coolest since: 1920	1905
	53.6°F (12.0°C)	54.2°F (12.3°C)	-0.6°F (-0.3°C)	102nd Warmest	Warmest since: 1916	2019, 2020
	Ties: 1910, 1926, 1967
May 1916–Apr 1921 60-Month	53.5°F (11.9°C)	54.1°F (12.3°C)	-0.6°F (-0.4°C)	17th Coolest	Coolest since: 1920	1908
	53.5°F (11.9°C)	54.1°F (12.3°C)	-0.6°F (-0.4°C)	107th Warmest	Warmest since: 1917	2020
	Ties: 1927, 1966, 1969, 1971

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings