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 2021

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 2021 1-Month	55.3°F (12.9°C)	52.0°F (11.1°C)	3.3°F (1.8°C)	111th Coolest	Coolest since: 2020	1907
	55.3°F (12.9°C)	52.0°F (11.1°C)	3.3°F (1.8°C)	18th Warmest	Warmest since: 2019	2017
	Ties: 1945
Mar–Apr 2021 2-Month	51.4°F (10.8°C)	47.3°F (8.5°C)	4.1°F (2.3°C)	121st Coolest	Coolest since: 2020	1940
	51.4°F (10.8°C)	47.3°F (8.5°C)	4.1°F (2.3°C)	8th Warmest	Warmest since: 2017	1921
	Ties: 1910, 2016
Feb–Apr 2021 3-Month	46.2°F (7.9°C)	43.1°F (6.2°C)	3.1°F (1.7°C)	109th Coolest	Coolest since: 2018	1934
	46.2°F (7.9°C)	43.1°F (6.2°C)	3.1°F (1.7°C)	20th Warmest	Warmest since: 2020	2012
	Ties: 1938
Jan–Apr 2021 4-Month	43.7°F (6.5°C)	40.6°F (4.8°C)	3.1°F (1.7°C)	114th Coolest	Coolest since: 2018	1940
	43.7°F (6.5°C)	40.6°F (4.8°C)	3.1°F (1.7°C)	15th Warmest	Warmest since: 2020	2012
	Ties: 1953
Dec 2020–Apr 2021 5-Month	42.9°F (6.1°C)	39.8°F (4.3°C)	3.1°F (1.8°C)	113th Coolest	Coolest since: 2018	1904
	42.9°F (6.1°C)	39.8°F (4.3°C)	3.1°F (1.8°C)	15th Warmest	Warmest since: 2020	2012
	Ties: 2022
Nov 2020–Apr 2021 6-Month	44.4°F (6.9°C)	40.8°F (4.9°C)	3.6°F (2.0°C)	119th Coolest	Coolest since: 2019	1904
	44.4°F (6.9°C)	40.8°F (4.9°C)	3.6°F (2.0°C)	9th Warmest	Warmest since: 2020	2012
	Ties: 1932
Oct 2020–Apr 2021 7-Month	46.6°F (8.1°C)	43.0°F (6.1°C)	3.6°F (2.0°C)	119th Coolest	Coolest since: 2019	1904
Oct 2020–Apr 2021 7-Month	46.6°F (8.1°C)	43.0°F (6.1°C)	3.6°F (2.0°C)	9th Warmest	Warmest since: 2020	2012
Sep 2020–Apr 2021 8-Month	49.4°F (9.7°C)	46.1°F (7.8°C)	3.3°F (1.9°C)	117th Coolest	Coolest since: 2018	1918
Sep 2020–Apr 2021 8-Month	49.4°F (9.7°C)	46.1°F (7.8°C)	3.3°F (1.9°C)	11th Warmest	Warmest since: 2020	2012
Aug 2020–Apr 2021 9-Month	52.5°F (11.4°C)	49.2°F (9.6°C)	3.3°F (1.8°C)	119th Coolest	Coolest since: 2018	1918
Aug 2020–Apr 2021 9-Month	52.5°F (11.4°C)	49.2°F (9.6°C)	3.3°F (1.8°C)	9th Warmest	Warmest since: 2020	2017
Jul 2020–Apr 2021 10-Month	55.3°F (12.9°C)	51.8°F (11.0°C)	3.5°F (1.9°C)	122nd Coolest	Coolest since: 2019	1918
	55.3°F (12.9°C)	51.8°F (11.0°C)	3.5°F (1.9°C)	6th Warmest	Warmest since: 2020	2012, 2017
	Ties: 2019
Jun 2020–Apr 2021 11-Month	57.0°F (13.9°C)	53.5°F (11.9°C)	3.5°F (2.0°C)	123rd Coolest	Coolest since: 2019	1904
	57.0°F (13.9°C)	53.5°F (11.9°C)	3.5°F (2.0°C)	5th Warmest	Warmest since: 2020	2012
	Ties: 2002
May 2020–Apr 2021 12-Month	57.3°F (14.1°C)	54.2°F (12.3°C)	3.1°F (1.8°C)	121st Coolest	Coolest since: 2018	1918
May 2020–Apr 2021 12-Month	57.3°F (14.1°C)	54.2°F (12.3°C)	3.1°F (1.8°C)	7th Warmest	Warmest since: 2020	2012
Nov 2019–Apr 2021 18-Month	53.0°F (11.7°C)	49.7°F (9.8°C)	3.3°F (1.9°C)	122nd Coolest	Coolest since: 2019	1905
Nov 2019–Apr 2021 18-Month	53.0°F (11.7°C)	49.7°F (9.8°C)	3.3°F (1.9°C)	5th Warmest	Warmest since: 2020	2017
May 2019–Apr 2021 24-Month	57.7°F (14.3°C)	54.2°F (12.3°C)	3.5°F (2.0°C)	122nd Coolest	Coolest since: 2019	1905
May 2019–Apr 2021 24-Month	57.7°F (14.3°C)	54.2°F (12.3°C)	3.5°F (2.0°C)	5th Warmest	Warmest since: 2020	2017
May 2018–Apr 2021 36-Month	57.7°F (14.3°C)	54.2°F (12.3°C)	3.5°F (2.0°C)	125th Coolest	Coolest since: 2020	1906
May 2018–Apr 2021 36-Month	57.7°F (14.3°C)	54.2°F (12.3°C)	3.5°F (2.0°C)	1st Warmest	Warmest to Date	2021
May 2017–Apr 2021 48-Month	57.3°F (14.1°C)	54.2°F (12.3°C)	3.1°F (1.8°C)	121st Coolest	Coolest since: 2018	1905
May 2017–Apr 2021 48-Month	57.3°F (14.1°C)	54.2°F (12.3°C)	3.1°F (1.8°C)	4th Warmest	Warmest since: 2020	2019, 2020
May 2016–Apr 2021 60-Month	57.5°F (14.2°C)	54.2°F (12.3°C)	3.3°F (1.9°C)	122nd Coolest	Coolest since: 2019	1908
May 2016–Apr 2021 60-Month	57.5°F (14.2°C)	54.2°F (12.3°C)	3.3°F (1.9°C)	2nd Warmest	Warmest since: 2020	2020

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