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 1971

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1971 1-Month	50.4°F (10.2°C)	52.0°F (11.1°C)	-1.6°F (-0.9°C)	26th Coolest	Coolest since: 1966	1907
	50.4°F (10.2°C)	52.0°F (11.1°C)	-1.6°F (-0.9°C)	103rd Warmest	Warmest since: 1970	2017
	Ties: 1988
Mar–Apr 1971 2-Month	45.5°F (7.5°C)	47.4°F (8.6°C)	-1.9°F (-1.1°C)	24th Coolest	Coolest since: 1970	1940
	45.5°F (7.5°C)	47.4°F (8.6°C)	-1.9°F (-1.1°C)	105th Warmest	Warmest since: 1969	1921
	Ties: 1944
Feb–Apr 1971 3-Month	42.3°F (5.7°C)	43.0°F (6.1°C)	-0.7°F (-0.4°C)	47th Coolest	Coolest since: 1970	1934
	42.3°F (5.7°C)	43.0°F (6.1°C)	-0.7°F (-0.4°C)	82nd Warmest	Warmest since: 1968	2012
	Ties: 1964
Jan–Apr 1971 4-Month	39.0°F (3.9°C)	40.6°F (4.8°C)	-1.6°F (-0.9°C)	26th Coolest	Coolest since: 1970	1940
	39.0°F (3.9°C)	40.6°F (4.8°C)	-1.6°F (-0.9°C)	103rd Warmest	Warmest since: 1969	2012
	Ties: 1900
Dec 1970–Apr 1971 5-Month	38.5°F (3.6°C)	39.7°F (4.3°C)	-1.2°F (-0.7°C)	28th Coolest	Coolest since: 1970	1904
	38.5°F (3.6°C)	39.7°F (4.3°C)	-1.2°F (-0.7°C)	100th Warmest	Warmest since: 1968	2012
	Ties: 1900, 1959, 1984
Nov 1970–Apr 1971 6-Month	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	34th Coolest	Coolest since: 1970	1904
	39.9°F (4.4°C)	40.7°F (4.8°C)	-0.8°F (-0.4°C)	94th Warmest	Warmest since: 1969	2012
	Ties: 1927, 1964, 1969
Oct 1970–Apr 1971 7-Month	42.7°F (5.9°C)	43.0°F (6.1°C)	-0.3°F (-0.2°C)	53rd Coolest	Coolest since: 1970	1904
	42.7°F (5.9°C)	43.0°F (6.1°C)	-0.3°F (-0.2°C)	75th Warmest	Warmest since: 1960	2012
	Ties: 1923
Sep 1970–Apr 1971 8-Month	46.2°F (7.9°C)	46.0°F (7.8°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1970	1918
	46.2°F (7.9°C)	46.0°F (7.8°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 1962	2012
	Ties: 1930, 1951, 1975
Aug 1970–Apr 1971 9-Month	49.4°F (9.7°C)	49.1°F (9.5°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1970	1918
	49.4°F (9.7°C)	49.1°F (9.5°C)	0.3°F (0.2°C)	58th Warmest	Warmest since: 1962	2017
	Ties: 1909, 1938, 1947, 1962, 1980, 1994
Jul 1970–Apr 1971 10-Month	51.9°F (11.1°C)	51.8°F (11.0°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 1970	1918
	51.9°F (11.1°C)	51.8°F (11.0°C)	0.1°F (0.1°C)	69th Warmest	Warmest since: 1962	2012, 2017
	Ties: 1938, 1975, 1984, 1987
Jun 1970–Apr 1971 11-Month	53.6°F (12.0°C)	53.5°F (11.9°C)	0.1°F (0.1°C)	60th Coolest	Coolest since: 1970	1904
	53.6°F (12.0°C)	53.5°F (11.9°C)	0.1°F (0.1°C)	68th Warmest	Warmest since: 1962	2012
	Ties: 1973, 1981, 1984, 1996
May 1970–Apr 1971 12-Month	54.4°F (12.4°C)	54.2°F (12.3°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1970	1918
	54.4°F (12.4°C)	54.2°F (12.3°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1960	2012
	Ties: 1929, 1981, 2015
Nov 1969–Apr 1971 18-Month	48.9°F (9.4°C)	49.7°F (9.8°C)	-0.8°F (-0.4°C)	24th Coolest	Coolest since: 1970	1905
	48.9°F (9.4°C)	49.7°F (9.8°C)	-0.8°F (-0.4°C)	103rd Warmest	Warmest since: 1969	2017
	Ties: 1928, 1959
May 1969–Apr 1971 24-Month	53.6°F (12.0°C)	54.2°F (12.3°C)	-0.6°F (-0.3°C)	24th Coolest	Coolest since: 1970	1905
	53.6°F (12.0°C)	54.2°F (12.3°C)	-0.6°F (-0.3°C)	103rd Warmest	Warmest since: 1967	2017
	Ties: 1900, 1940, 1962, 1966
May 1968–Apr 1971 36-Month	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F (-0.2°C)	28th Coolest	Coolest since: 1970	1906
	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F (-0.2°C)	98th Warmest	Warmest since: 1967	2021
	Ties: 1909, 1929, 1967, 1980
May 1967–Apr 1971 48-Month	53.4°F (11.9°C)	54.2°F (12.3°C)	-0.8°F (-0.4°C)	13th Coolest	Coolest since: 1970	1905
	53.4°F (11.9°C)	54.2°F (12.3°C)	-0.8°F (-0.4°C)	112th Warmest	Warmest since: 1969	2019, 2020, 2022
	Ties: 1904, 1927, 1965, 1968, 1980
May 1966–Apr 1971 60-Month	53.5°F (11.9°C)	54.2°F (12.3°C)	-0.7°F (-0.4°C)	17th Coolest	Coolest since: 1970	1908
	53.5°F (11.9°C)	54.2°F (12.3°C)	-0.7°F (-0.4°C)	107th Warmest	Warmest since: 1969	2020
	Ties: 1921, 1927, 1966, 1969

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings