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, July 1987

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1987 1-Month	78.6°F (25.9°C)	75.5°F (24.2°C)	3.1°F (1.7°C)	115th Coolest	Coolest since: 1986	1895
July 1987 1-Month	78.6°F (25.9°C)	75.5°F (24.2°C)	3.1°F (1.7°C)	14th Warmest	Warmest since: 1955	2012
Jun–Jul 1987 2-Month	76.1°F (24.5°C)	73.1°F (22.8°C)	3.0°F (1.7°C)	120th Coolest	Coolest since: 1986	1907
	76.1°F (24.5°C)	73.1°F (22.8°C)	3.0°F (1.7°C)	9th Warmest	Warmest since: 1934	2010
	Ties: 1934
May–Jul 1987 3-Month	71.8°F (22.1°C)	69.5°F (20.8°C)	2.3°F (1.3°C)	118th Coolest	Coolest since: 1986	1907
	71.8°F (22.1°C)	69.5°F (20.8°C)	2.3°F (1.3°C)	11th Warmest	Warmest since: 1986	2010
	Ties: 1934, 1943, 1986
Apr–Jul 1987 4-Month	66.7°F (19.3°C)	65.1°F (18.4°C)	1.6°F (0.9°C)	106th Coolest	Coolest since: 1985	1907
	66.7°F (19.3°C)	65.1°F (18.4°C)	1.6°F (0.9°C)	23rd Warmest	Warmest since: 1986	2010
	Ties: 1921, 1999, 2016, 2020
Mar–Jul 1987 5-Month	62.2°F (16.8°C)	60.6°F (15.9°C)	1.6°F (0.9°C)	101st Coolest	Coolest since: 1984	1907
	62.2°F (16.8°C)	60.6°F (15.9°C)	1.6°F (0.9°C)	28th Warmest	Warmest since: 1986	2010, 2012
	Ties: 1955
Feb–Jul 1987 6-Month	57.1°F (13.9°C)	56.3°F (13.5°C)	0.8°F (0.4°C)	82nd Coolest	Coolest since: 1984	1907
	57.1°F (13.9°C)	56.3°F (13.5°C)	0.8°F (0.4°C)	47th Warmest	Warmest since: 1986	2012
	Ties: 1913, 1946, 1988, 1997
Jan–Jul 1987 7-Month	53.5°F (11.9°C)	53.0°F (11.7°C)	0.5°F (0.2°C)	70th Coolest	Coolest since: 1984	1940
	53.5°F (11.9°C)	53.0°F (11.7°C)	0.5°F (0.2°C)	59th Warmest	Warmest since: 1986	2012
	Ties: 1983, 2005
Dec 1986–Jul 1987 8-Month	51.6°F (10.9°C)	50.9°F (10.5°C)	0.7°F (0.4°C)	79th Coolest	Coolest since: 1986	1904
	51.6°F (10.9°C)	50.9°F (10.5°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 1986	2012
	Ties: 1898, 1938, 1975, 1986
Nov 1986–Jul 1987 9-Month	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	77th Coolest	Coolest since: 1984	1904
	50.9°F (10.5°C)	50.3°F (10.2°C)	0.6°F (0.3°C)	51st Warmest	Warmest since: 1986	2012
	Ties: 1898, 1929
Oct 1986–Jul 1987 10-Month	51.7°F (10.9°C)	50.9°F (10.5°C)	0.8°F (0.4°C)	84th Coolest	Coolest since: 1984	1904
	51.7°F (10.9°C)	50.9°F (10.5°C)	0.8°F (0.4°C)	44th Warmest	Warmest since: 1986	2012
	Ties: 1925
Sep 1986–Jul 1987 11-Month	53.1°F (11.7°C)	52.4°F (11.3°C)	0.7°F (0.4°C)	84th Coolest	Coolest since: 1984	1918
	53.1°F (11.7°C)	52.4°F (11.3°C)	0.7°F (0.4°C)	44th Warmest	Warmest since: 1986	2012
	Ties: 1972, 1997
Aug 1986–Jul 1987 12-Month	54.7°F (12.6°C)	54.2°F (12.3°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1984	1904
	54.7°F (12.6°C)	54.2°F (12.3°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1986	2012
	Ties: 1901, 1973, 1989, 1994
Feb 1986–Jul 1987 18-Month	55.7°F (13.2°C)	54.9°F (12.7°C)	0.8°F (0.5°C)	89th Coolest	Coolest since: 1984	1905
	55.7°F (13.2°C)	54.9°F (12.7°C)	0.8°F (0.5°C)	39th Warmest	Warmest since: 1986	2012
	Ties: 1921, 1946, 1952, 1960, 2014
Aug 1985–Jul 1987 24-Month	55.2°F (12.9°C)	54.2°F (12.3°C)	1.0°F (0.6°C)	96th Coolest	Coolest since: 1985	1905
	55.2°F (12.9°C)	54.2°F (12.3°C)	1.0°F (0.6°C)	31st Warmest	Warmest since: 1986	2017
	Ties: 1932, 1976, 1995, 2001, 2004
Aug 1984–Jul 1987 36-Month	55.3°F (12.9°C)	54.2°F (12.3°C)	1.1°F (0.6°C)	100th Coolest	Coolest since: 1986	1906
	55.3°F (12.9°C)	54.2°F (12.3°C)	1.1°F (0.6°C)	26th Warmest	Warmest since: 1976	2018, 2019, 2021
	Ties: 1954, 1976, 2015
Aug 1983–Jul 1987 48-Month	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	90th Coolest	Coolest since: 1985	1907
	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	35th Warmest	Warmest since: 1986	2019
	Ties: 1933, 1954
Aug 1982–Jul 1987 60-Month	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	91st Coolest	Coolest since: 1986	1908
	55.0°F (12.8°C)	54.2°F (12.3°C)	0.8°F (0.5°C)	33rd Warmest	Warmest since: 1976	2020
	Ties: 1954, 1955, 1989, 1990

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings