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 1964

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
April 1964 1-Month	49.9°F (9.9°C)	52.0°F (11.1°C)	-2.1°F (-1.2°C)	21st Coolest	Coolest since: 1961	1907
	49.9°F (9.9°C)	52.0°F (11.1°C)	-2.1°F (-1.2°C)	109th Warmest	Warmest since: 1963	2017
	Ties: 1932
Mar–Apr 1964 2-Month	47.0°F (8.3°C)	47.4°F (8.6°C)	-0.4°F (-0.3°C)	54th Coolest	Coolest since: 1962	1940
	47.0°F (8.3°C)	47.4°F (8.6°C)	-0.4°F (-0.3°C)	76th Warmest	Warmest since: 1963	1921
	Ties: 1923
Feb–Apr 1964 3-Month	42.3°F (5.7°C)	43.0°F (6.1°C)	-0.7°F (-0.4°C)	47th Coolest	Coolest since: 1962	1934
	42.3°F (5.7°C)	43.0°F (6.1°C)	-0.7°F (-0.4°C)	83rd Warmest	Warmest since: 1963	2012
	Ties: 1971
Jan–Apr 1964 4-Month	40.4°F (4.7°C)	40.6°F (4.8°C)	-0.2°F (-0.1°C)	57th Coolest	Coolest since: 1963	1940
	40.4°F (4.7°C)	40.6°F (4.8°C)	-0.2°F (-0.1°C)	73rd Warmest	Warmest since: 1959	2023
	Ties: 1942, 1943
Dec 1963–Apr 1964 5-Month	38.2°F (3.4°C)	39.7°F (4.3°C)	-1.5°F (-0.9°C)	22nd Coolest	Coolest since: 1963	1904
	38.2°F (3.4°C)	39.7°F (4.3°C)	-1.5°F (-0.9°C)	107th Warmest	Warmest since: 1962	2012
	Ties: 1914, 1948, 1958
Nov 1963–Apr 1964 6-Month	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	34th Coolest	Coolest since: 1963	1904
	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	95th Warmest	Warmest since: 1962	2012
	Ties: 1927, 1969, 1971
Oct 1963–Apr 1964 7-Month	42.5°F (5.8°C)	43.0°F (6.1°C)	-0.5°F (-0.3°C)	43rd Coolest	Coolest since: 1963	1904
	42.5°F (5.8°C)	43.0°F (6.1°C)	-0.5°F (-0.3°C)	86th Warmest	Warmest since: 1962	2012
	Ties: 1969, 1984, 2015
Sep 1963–Apr 1964 8-Month	45.1°F (7.3°C)	46.0°F (7.8°C)	-0.9°F (-0.5°C)	26th Coolest	Coolest since: 1963	1918
	45.1°F (7.3°C)	46.0°F (7.8°C)	-0.9°F (-0.5°C)	103rd Warmest	Warmest since: 1962	2012
	Ties: 1958, 1965
Aug 1963–Apr 1964 9-Month	48.1°F (8.9°C)	49.1°F (9.5°C)	-1.0°F (-0.6°C)	22nd Coolest	Coolest since: 1963	1918
	48.1°F (8.9°C)	49.1°F (9.5°C)	-1.0°F (-0.6°C)	107th Warmest	Warmest since: 1962	2017
	Ties: 1899, 1900, 1917
Jul 1963–Apr 1964 10-Month	50.8°F (10.4°C)	51.8°F (11.0°C)	-1.0°F (-0.6°C)	22nd Coolest	Coolest since: 1963	1918
	50.8°F (10.4°C)	51.8°F (11.0°C)	-1.0°F (-0.6°C)	107th Warmest	Warmest since: 1962	2012, 2017
	Ties: 1965
Jun 1963–Apr 1964 11-Month	52.6°F (11.4°C)	53.5°F (11.9°C)	-0.9°F (-0.5°C)	23rd Coolest	Coolest since: 1963	1904
	52.6°F (11.4°C)	53.5°F (11.9°C)	-0.9°F (-0.5°C)	106th Warmest	Warmest since: 1962	2012
	Ties: 1910, 1966
May 1963–Apr 1964 12-Month	53.3°F (11.8°C)	54.2°F (12.3°C)	-0.9°F (-0.5°C)	20th Coolest	Coolest since: 1963	1918
	53.3°F (11.8°C)	54.2°F (12.3°C)	-0.9°F (-0.5°C)	109th Warmest	Warmest since: 1962	2012
	Ties: 1910, 1917, 1927, 1978
Nov 1962–Apr 1964 18-Month	48.4°F (9.1°C)	49.7°F (9.8°C)	-1.3°F (-0.7°C)	8th Coolest	Coolest since: 1941	1905
	48.4°F (9.1°C)	49.7°F (9.8°C)	-1.3°F (-0.7°C)	120th Warmest	Warmest since: 1963	2017
	Ties: 1902, 1968
May 1962–Apr 1964 24-Month	53.0°F (11.7°C)	54.2°F (12.3°C)	-1.2°F (-0.6°C)	8th Coolest	Coolest since: 1941	1905
	53.0°F (11.7°C)	54.2°F (12.3°C)	-1.2°F (-0.6°C)	120th Warmest	Warmest since: 1963	2017
	Ties: 1912, 1978
May 1961–Apr 1964 36-Month	53.4°F (11.9°C)	54.2°F (12.3°C)	-0.8°F (-0.4°C)	17th Coolest	Coolest since: 1963	1906
	53.4°F (11.9°C)	54.2°F (12.3°C)	-0.8°F (-0.4°C)	110th Warmest	Warmest since: 1962	2021
	Ties: 1941, 1969
May 1960–Apr 1964 48-Month	53.3°F (11.8°C)	54.2°F (12.3°C)	-0.9°F (-0.5°C)	9th Coolest	Coolest since: 1928	1905
	53.3°F (11.8°C)	54.2°F (12.3°C)	-0.9°F (-0.5°C)	117th Warmest	Warmest since: 1963	2019, 2020, 2022, 2023
	Ties: 1911, 1928, 1966
May 1959–Apr 1964 60-Month	53.8°F (12.1°C)	54.2°F (12.3°C)	-0.4°F (-0.2°C)	29th Coolest	Coolest since: 1963	1908
	53.8°F (12.1°C)	54.2°F (12.3°C)	-0.4°F (-0.2°C)	96th Warmest	Warmest since: 1963	2020
	Ties: 1900, 1902, 1915, 1922, 1926, 1963

Citing This Page

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