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 1989

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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 1989 1-Month	51.5°F (10.8°C)	52.0°F (11.1°C)	-0.5°F (-0.3°C)	50th Coolest	Coolest since: 1988	1907
	51.5°F (10.8°C)	52.0°F (11.1°C)	-0.5°F (-0.3°C)	80th Warmest	Warmest since: 1986	2017
	Ties: 1992
Mar–Apr 1989 2-Month	47.1°F (8.4°C)	47.4°F (8.6°C)	-0.3°F (-0.2°C)	56th Coolest	Coolest since: 1984	1940
	47.1°F (8.4°C)	47.4°F (8.6°C)	-0.3°F (-0.2°C)	74th Warmest	Warmest since: 1988	1921
	Ties: 2015
Feb–Apr 1989 3-Month	43.3°F (6.3°C)	43.0°F (6.1°C)	0.3°F (0.2°C)	67th Coolest	Coolest since: 1987	1934
	43.3°F (6.3°C)	43.0°F (6.1°C)	0.3°F (0.2°C)	63rd Warmest	Warmest since: 1988	2012
	Ties: 1897, 1915, 1942, 1961
Jan–Apr 1989 4-Month	41.9°F (5.5°C)	40.6°F (4.8°C)	1.3°F (0.7°C)	87th Coolest	Coolest since: 1988	1940
	41.9°F (5.5°C)	40.6°F (4.8°C)	1.3°F (0.7°C)	43rd Warmest	Warmest since: 1976	2023
	Ties: 1903, 1919, 1951, 2009
Dec 1988–Apr 1989 5-Month	40.8°F (4.9°C)	39.7°F (4.3°C)	1.1°F (0.6°C)	82nd Coolest	Coolest since: 1988	1904
	40.8°F (4.9°C)	39.7°F (4.3°C)	1.1°F (0.6°C)	47th Warmest	Warmest since: 1985	2012
	Ties: 1972, 2018
Nov 1988–Apr 1989 6-Month	41.9°F (5.5°C)	40.7°F (4.8°C)	1.2°F (0.7°C)	85th Coolest	Coolest since: 1988	1904
	41.9°F (5.5°C)	40.7°F (4.8°C)	1.2°F (0.7°C)	44th Warmest	Warmest since: 1985	2012
	Ties: 1919, 1929, 1938, 1946
Oct 1988–Apr 1989 7-Month	43.2°F (6.2°C)	43.0°F (6.1°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1988	1904
	43.2°F (6.2°C)	43.0°F (6.1°C)	0.2°F (0.1°C)	63rd Warmest	Warmest since: 1986	2012
	Ties: 1980
Sep 1988–Apr 1989 8-Month	46.0°F (7.8°C)	46.0°F (7.8°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1984	1918
	46.0°F (7.8°C)	46.0°F (7.8°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1988	2012
	Ties: 1993, 2014
Aug 1988–Apr 1989 9-Month	49.5°F (9.7°C)	49.1°F (9.5°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1988	1918
	49.5°F (9.7°C)	49.1°F (9.5°C)	0.4°F (0.2°C)	57th Warmest	Warmest since: 1986	2017
	Ties: 1901
Jul 1988–Apr 1989 10-Month	52.4°F (11.3°C)	51.8°F (11.0°C)	0.6°F (0.3°C)	80th Coolest	Coolest since: 1988	1918
	52.4°F (11.3°C)	51.8°F (11.0°C)	0.6°F (0.3°C)	49th Warmest	Warmest since: 1986	2012, 2017
	Ties: 1901, 1929, 1946, 1955
Jun 1988–Apr 1989 11-Month	54.1°F (12.3°C)	53.5°F (11.9°C)	0.6°F (0.4°C)	79th Coolest	Coolest since: 1987	1904
	54.1°F (12.3°C)	53.5°F (11.9°C)	0.6°F (0.4°C)	50th Warmest	Warmest since: 1988	2012
	Ties: 1901, 1955, 1983
May 1988–Apr 1989 12-Month	54.8°F (12.7°C)	54.2°F (12.3°C)	0.6°F (0.4°C)	80th Coolest	Coolest since: 1987	1918
	54.8°F (12.7°C)	54.2°F (12.3°C)	0.6°F (0.4°C)	49th Warmest	Warmest since: 1988	2012
	Ties: 1901, 1919, 1933, 1939, 1957, 2014
Nov 1987–Apr 1989 18-Month	50.3°F (10.2°C)	49.7°F (9.8°C)	0.6°F (0.4°C)	83rd Coolest	Coolest since: 1988	1905
	50.3°F (10.2°C)	49.7°F (9.8°C)	0.6°F (0.4°C)	45th Warmest	Warmest since: 1987	2017
	Ties: 1960, 1985, 1994
May 1987–Apr 1989 24-Month	54.9°F (12.7°C)	54.2°F (12.3°C)	0.7°F (0.4°C)	87th Coolest	Coolest since: 1988	1905
	54.9°F (12.7°C)	54.2°F (12.3°C)	0.7°F (0.4°C)	41st Warmest	Warmest since: 1987	2017
	Ties: 1946, 1975, 1987
May 1986–Apr 1989 36-Month	54.8°F (12.7°C)	54.2°F (12.3°C)	0.6°F (0.4°C)	81st Coolest	Coolest since: 1984	1906
	54.8°F (12.7°C)	54.2°F (12.3°C)	0.6°F (0.4°C)	46th Warmest	Warmest since: 1988	2021
	Ties: 1939, 1952, 1956, 1994
May 1985–Apr 1989 48-Month	54.9°F (12.7°C)	54.2°F (12.3°C)	0.7°F (0.4°C)	87th Coolest	Coolest since: 1987	1905
	54.9°F (12.7°C)	54.2°F (12.3°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 1988	2019, 2020, 2022, 2023
	Ties: 1933, 1956, 1974, 1986, 1987, 1997
May 1984–Apr 1989 60-Month	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	91st Coolest	Coolest since: 1988	1908
	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	34th Warmest	Warmest since: 1976	2020
	Ties: 1976, 1990

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