Statewide Rankings

Statewide Data Info
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Delaware

Average Temperature Rankings, September 1987

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 1987
1-Month		68.9°F
(20.5°C)		67.4°F
(19.7°C)		1.5°F
(0.8°C)		90th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
2018
Ties: 1954
Aug–Sep 1987
2-Month		71.9°F
(22.2°C)		70.6°F
(21.4°C)		1.3°F
(0.8°C)		91st Coolest
Coolest since:
1927, 1963
38th Warmest
Warmest since:
2018
Ties: 1921, 2017
Jul–Sep 1987
3-Month		74.1°F
(23.4°C)		72.2°F
(22.3°C)		1.9°F
(1.1°C)		105th Coolest
Coolest since:
1909
24th Warmest
Warmest since:
2016
Ties: 1998, 2017
Jun–Sep 1987
4-Month		74.0°F
(23.3°C)		71.9°F
(22.2°C)		2.1°F
(1.1°C)		115th Coolest
Coolest since:
1927
14th Warmest
Warmest since:
2010
Ties: 2017
May–Sep 1987
5-Month		71.8°F
(22.1°C)		69.9°F
(21.1°C)		1.9°F
(1.0°C)		112th Coolest
Coolest since:
1924, 1927
17th Warmest
Warmest since:
2010
Ties: 1930, 2005
Apr–Sep 1987
6-Month		68.4°F
(20.2°C)		66.9°F
(19.4°C)		1.5°F
(0.8°C)		100th Coolest
Coolest since:
1907
29th Warmest
Warmest since:
2010
Mar–Sep 1987
7-Month		65.0°F
(18.3°C)		63.5°F
(17.5°C)		1.5°F
(0.8°C)		105th Coolest
Coolest since:
1924
24th Warmest
Warmest since:
2010
Ties: 1995
Feb–Sep 1987
8-Month		60.8°F
(16.0°C)		59.8°F
(15.4°C)		1.0°F
(0.6°C)		89th Coolest
Coolest since:
1907
40th Warmest
Warmest since:
2012
Ties: 1952, 2001, 2015
Jan–Sep 1987
9-Month		57.6°F
(14.2°C)		56.9°F
(13.8°C)		0.7°F
(0.4°C)		81st Coolest
Coolest since:
1940
48th Warmest
Warmest since:
2012
Ties: 1943, 1986, 2015
Dec 1986–Sep 1987
10-Month		55.7°F
(13.2°C)		54.8°F
(12.7°C)		0.9°F
(0.5°C)		82nd Coolest
Coolest since:
1904
46th Warmest
Warmest since:
2012
Ties: 1942, 1989
Nov 1986–Sep 1987
11-Month		54.7°F
(12.6°C)		54.0°F
(12.2°C)		0.7°F
(0.4°C)		78th Coolest
Coolest since:
1904
50th Warmest
Warmest since:
2012
Ties: 1955
Oct 1986–Sep 1987
12-Month		55.1°F
(12.8°C)		54.2°F
(12.3°C)		0.9°F
(0.5°C)		86th Coolest
Coolest since:
1904
42nd Warmest
Warmest since:
2012
Ties: 1898, 1930, 1973, 1974, 1980
Apr 1986–Sep 1987
18-Month		59.3°F
(15.2°C)		58.4°F
(14.7°C)		0.9°F
(0.5°C)		91st Coolest
Coolest since:
1918
37th Warmest
Warmest since:
2012
Ties: 1955, 1976, 1985, 2014
Oct 1985–Sep 1987
24-Month		55.2°F
(12.9°C)		54.2°F
(12.3°C)		1.0°F
(0.6°C)		95th Coolest
Coolest since:
1905
32nd Warmest
Warmest since:
2017
Ties: 1995, 2001
Oct 1984–Sep 1987
36-Month		55.4°F
(13.0°C)		54.2°F
(12.3°C)		1.2°F
(0.7°C)		100th Coolest
Coolest since:
1905, 1918
26th Warmest
Warmest since:
2018
Ties: 1954
Oct 1983–Sep 1987
48-Month		55.0°F
(12.8°C)		54.2°F
(12.3°C)		0.8°F
(0.5°C)		88th Coolest
Coolest since:
1905
37th Warmest
Warmest since:
2019
Ties: 1932, 1953
Oct 1982–Sep 1987
60-Month		55.1°F
(12.8°C)		54.1°F
(12.3°C)		1.0°F
(0.5°C)		92nd Coolest
Coolest since:
1908
32nd Warmest
Warmest since:
2020
Ties: 1989, 1998

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