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 1909

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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 1909 1-Month	51.9°F (11.1°C)	52.0°F (11.1°C)	-0.1°F (0.0°C)	59th Coolest	Coolest since: 1907	1907
	51.9°F (11.1°C)	52.0°F (11.1°C)	-0.1°F (0.0°C)	71st Warmest	Warmest since: 1908	2017
	Ties: 1917, 1978
Mar–Apr 1909 2-Month	46.1°F (7.8°C)	47.4°F (8.6°C)	-1.3°F (-0.8°C)	38th Coolest	Coolest since: 1907	1940
	46.1°F (7.8°C)	47.4°F (8.6°C)	-1.3°F (-0.8°C)	92nd Warmest	Warmest since: 1908	1921
	Ties: 1899, 1912, 1915, 2018
Feb–Apr 1909 3-Month	44.6°F (7.0°C)	43.0°F (6.1°C)	1.6°F (0.9°C)	88th Coolest	Coolest since: 1908	1934
	44.6°F (7.0°C)	43.0°F (6.1°C)	1.6°F (0.9°C)	42nd Warmest	Warmest since: 1903	2012
	Ties: 1999, 2001
Jan–Apr 1909 4-Month	42.4°F (5.8°C)	40.6°F (4.8°C)	1.8°F (1.0°C)	96th Coolest	Coolest since: 1908	1940
Jan–Apr 1909 4-Month	42.4°F (5.8°C)	40.6°F (4.8°C)	1.8°F (1.0°C)	34th Warmest	Warmest to Date	2023
Dec 1908–Apr 1909 5-Month	41.1°F (5.1°C)	39.7°F (4.3°C)	1.4°F (0.8°C)	86th Coolest	Coolest since: 1908	1904
Dec 1908–Apr 1909 5-Month	41.1°F (5.1°C)	39.7°F (4.3°C)	1.4°F (0.8°C)	43rd Warmest	Warmest to Date	2012
Nov 1908–Apr 1909 6-Month	41.7°F (5.4°C)	40.7°F (4.8°C)	1.0°F (0.6°C)	79th Coolest	Coolest since: 1908	1904
	41.7°F (5.4°C)	40.7°F (4.8°C)	1.0°F (0.6°C)	50th Warmest	Warmest since: 1903	2012
	Ties: 1986
Oct 1908–Apr 1909 7-Month	44.0°F (6.7°C)	43.0°F (6.1°C)	1.0°F (0.6°C)	82nd Coolest	Coolest since: 1908	1904
	44.0°F (6.7°C)	43.0°F (6.1°C)	1.0°F (0.6°C)	47th Warmest	Warmest since: 1903	2012
	Ties: 1933, 2011
Sep 1908–Apr 1909 8-Month	46.7°F (8.2°C)	46.0°F (7.8°C)	0.7°F (0.4°C)	76th Coolest	Coolest since: 1908	1918
	46.7°F (8.2°C)	46.0°F (7.8°C)	0.7°F (0.4°C)	53rd Warmest	Warmest since: 1903	2012
	Ties: 1898, 1919
Aug 1908–Apr 1909 9-Month	49.4°F (9.7°C)	49.1°F (9.5°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1908	1918
	49.4°F (9.7°C)	49.1°F (9.5°C)	0.3°F (0.2°C)	59th Warmest	Warmest since: 1903	2017
	Ties: 1938, 1947, 1962, 1971, 1980, 1994
Jul 1908–Apr 1909 10-Month	52.2°F (11.2°C)	51.8°F (11.0°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1908	1918
	52.2°F (11.2°C)	51.8°F (11.0°C)	0.4°F (0.2°C)	57th Warmest	Warmest since: 1903	2012, 2017
	Ties: 1945, 1973, 1988
Jun 1908–Apr 1909 11-Month	53.8°F (12.1°C)	53.5°F (11.9°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1908	1904
	53.8°F (12.1°C)	53.5°F (11.9°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1903	2012
	Ties: 1987
May 1908–Apr 1909 12-Month	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F (0.3°C)	71st Coolest	Coolest since: 1908	1918
	54.6°F (12.6°C)	54.2°F (12.3°C)	0.4°F (0.3°C)	58th Warmest	Warmest since: 1903	2012
	Ties: 1903, 1955
Nov 1907–Apr 1909 18-Month	50.0°F (10.0°C)	49.7°F (9.8°C)	0.3°F (0.2°C)	62nd Coolest	Coolest since: 1908	1905
	50.0°F (10.0°C)	49.7°F (9.8°C)	0.3°F (0.2°C)	66th Warmest	Warmest to Date	2017
	Ties: 1929, 1930, 1931, 1945, 1947, 1951, 1973, 1981
May 1907–Apr 1909 24-Month	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F (-0.2°C)	29th Coolest	Coolest since: 1908	1905
	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F (-0.2°C)	99th Warmest	Warmest since: 1907	2017
	Ties: 1925, 1935, 1937, 1959, 1982
May 1906–Apr 1909 36-Month	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F (-0.2°C)	28th Coolest	Coolest since: 1908	1906
	53.7°F (12.1°C)	54.2°F (12.3°C)	-0.5°F (-0.2°C)	99th Warmest	Warmest since: 1903	2021
	Ties: 1929, 1967, 1971, 1980
May 1905–Apr 1909 48-Month	53.8°F (12.1°C)	54.2°F (12.3°C)	-0.4°F (-0.2°C)	31st Coolest	Coolest since: 1908	1905
	53.8°F (12.1°C)	54.2°F (12.3°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1903	2019, 2020, 2022, 2023
	Ties: 1900, 1902, 1914, 1930, 1943, 1982
May 1904–Apr 1909 60-Month	53.3°F (11.8°C)	54.2°F (12.3°C)	-0.9°F (-0.5°C)	8th Coolest	Coolest since: 1908	1908
	53.3°F (11.8°C)	54.2°F (12.3°C)	-0.9°F (-0.5°C)	117th Warmest	Warmest since: 1904	2020
	Ties: 1912, 1968, 1970

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings