Statewide Rankings

Statewide Data Info
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, September 2013

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
September 2013
1-Month		66.7°F
(19.3°C)		67.4°F
(19.7°C)		-0.7°F
(-0.4°C)		39th Coolest
Coolest since:
1917
90th Warmest
Warmest since:
2018
Ties: 1969
Aug–Sep 2013
2-Month		70.1°F
(21.2°C)		70.6°F
(21.4°C)		-0.5°F
(-0.2°C)		39th Coolest
Coolest since:
1927, 1963
90th Warmest
Warmest since:
2018
Ties: 1897, 1923, 1969, 1972, 1990
Jul–Sep 2013
3-Month		73.1°F
(22.8°C)		72.2°F
(22.3°C)		0.9°F
(0.5°C)		87th Coolest
Coolest since:
1909
42nd Warmest
Warmest since:
2016
Ties: 1936, 1949, 1968
Jun–Sep 2013
4-Month		73.2°F
(22.9°C)		71.9°F
(22.2°C)		1.3°F
(0.7°C)		96th Coolest
Coolest since:
1927
33rd Warmest
Warmest since:
2010
Ties: 1943
May–Sep 2013
5-Month		71.3°F
(21.8°C)		69.9°F
(21.1°C)		1.4°F
(0.7°C)		101st Coolest
Coolest since:
1924, 1927
28th Warmest
Warmest since:
2010
Ties: 1943, 2008
Apr–Sep 2013
6-Month		68.5°F
(20.3°C)		66.9°F
(19.4°C)		1.6°F
(0.9°C)		105th Coolest
Coolest since:
1907
24th Warmest
Warmest since:
2010
Ties: 1921, 1955, 1977, 2007
Mar–Sep 2013
7-Month		64.5°F
(18.1°C)		63.5°F
(17.5°C)		1.0°F
(0.6°C)		95th Coolest
Coolest since:
1924
34th Warmest
Warmest since:
2010
Ties: 2009
Feb–Sep 2013
8-Month		60.9°F
(16.1°C)		59.8°F
(15.4°C)		1.1°F
(0.7°C)		91st Coolest
Coolest since:
1907
38th Warmest
Warmest since:
2012
Ties: 1938
Jan–Sep 2013
9-Month		58.3°F
(14.6°C)		56.9°F
(13.8°C)		1.4°F
(0.8°C)		105th Coolest
Coolest since:
1940
24th Warmest
Warmest since:
2012
Ties: 1913, 1933, 1952, 1959
Dec 2012–Sep 2013
10-Month		56.9°F
(13.8°C)		54.8°F
(12.7°C)		2.1°F
(1.1°C)		109th Coolest
Coolest since:
1904
19th Warmest
Warmest since:
2012
Ties: 2011
Nov 2012–Sep 2013
11-Month		55.7°F
(13.2°C)		54.0°F
(12.2°C)		1.7°F
(1.0°C)		104th Coolest
Coolest since:
1904
24th Warmest
Warmest since:
2012
Oct 2012–Sep 2013
12-Month		56.0°F
(13.3°C)		54.2°F
(12.3°C)		1.8°F
(1.0°C)		106th Coolest
Coolest since:
1904
22nd Warmest
Warmest since:
2012
Apr 2012–Sep 2013
18-Month		60.8°F
(16.0°C)		58.4°F
(14.7°C)		2.4°F
(1.3°C)		117th Coolest
Coolest since:
1918
11th Warmest
Warmest since:
2012
Ties: 1991, 2006, 2008, 2010
Oct 2011–Sep 2013
24-Month		57.4°F
(14.1°C)		54.2°F
(12.3°C)		3.2°F
(1.8°C)		123rd Coolest
Coolest since:
1905
4th Warmest
Warmest since:
2017
Ties: 2018, 2021
Oct 2010–Sep 2013
36-Month		57.0°F
(13.9°C)		54.2°F
(12.3°C)		2.8°F
(1.6°C)		118th Coolest
Coolest since:
1905, 1918
8th Warmest
Warmest since:
2018
Oct 2009–Sep 2013
48-Month		57.1°F
(13.9°C)		54.2°F
(12.3°C)		2.9°F
(1.6°C)		120th Coolest
Coolest since:
1905
5th Warmest
Warmest to Date
2019
Ties: 2018
Oct 2008–Sep 2013
60-Month		56.7°F
(13.7°C)		54.1°F
(12.3°C)		2.6°F
(1.4°C)		118th Coolest
Coolest since:
1908
6th Warmest
Warmest since:
2020

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