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, July 2009

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
July 2009
1-Month		74.5°F
(23.6°C)		75.5°F
(24.2°C)		-1.0°F
(-0.6°C)		32nd Coolest
Coolest since:
1895
97th Warmest
Warmest since:
2012
Ties: 1971
Jun–Jul 2009
2-Month		72.7°F
(22.6°C)		73.1°F
(22.8°C)		-0.4°F
(-0.2°C)		36th Coolest
Coolest since:
1907
93rd Warmest
Warmest since:
2010
Ties: 1902, 1906, 1919, 1970, 1975, 1977, 1997
May–Jul 2009
3-Month		69.7°F
(20.9°C)		69.5°F
(20.8°C)		0.2°F
(0.1°C)		59th Coolest
Coolest since:
1907
70th Warmest
Warmest since:
2010
Ties: 1898, 1931, 2005
Apr–Jul 2009
4-Month		66.1°F
(18.9°C)		65.1°F
(18.4°C)		1.0°F
(0.5°C)		87th Coolest
Coolest since:
1907
42nd Warmest
Warmest since:
2010
Ties: 1941, 2007
Mar–Jul 2009
5-Month		61.5°F
(16.4°C)		60.6°F
(15.9°C)		0.9°F
(0.5°C)		85th Coolest
Coolest since:
1907
44th Warmest
Warmest since:
2010, 2012
Feb–Jul 2009
6-Month		57.7°F
(14.3°C)		56.3°F
(13.5°C)		1.4°F
(0.8°C)		98th Coolest
Coolest since:
1907
31st Warmest
Warmest since:
2012
Ties: 1955, 1959, 1994
Jan–Jul 2009
7-Month		53.8°F
(12.1°C)		53.0°F
(11.7°C)		0.8°F
(0.4°C)		84th Coolest
Coolest since:
1940
45th Warmest
Warmest since:
2012
Ties: 1943, 1997, 2001
Dec 2008–Jul 2009
8-Month		52.2°F
(11.2°C)		50.9°F
(10.5°C)		1.3°F
(0.7°C)		94th Coolest
Coolest since:
1904
34th Warmest
Warmest since:
2012
Ties: 1925, 1933, 1983, 1997
Nov 2008–Jul 2009
9-Month		51.4°F
(10.8°C)		50.3°F
(10.2°C)		1.1°F
(0.6°C)		91st Coolest
Coolest since:
1904
37th Warmest
Warmest since:
2012
Ties: 1942, 1974
Oct 2008–Jul 2009
10-Month		51.9°F
(11.1°C)		50.9°F
(10.5°C)		1.0°F
(0.6°C)		90th Coolest
Coolest since:
1904
38th Warmest
Warmest since:
2012
Ties: 1933
Sep 2008–Jul 2009
11-Month		53.5°F
(11.9°C)		52.4°F
(11.3°C)		1.1°F
(0.6°C)		92nd Coolest
Coolest since:
1918
36th Warmest
Warmest since:
2012
Ties: 1983
Aug 2008–Jul 2009
12-Month		55.2°F
(12.9°C)		54.2°F
(12.3°C)		1.0°F
(0.6°C)		92nd Coolest
Coolest since:
1904
36th Warmest
Warmest since:
2012
Ties: 1939
Feb 2008–Jul 2009
18-Month		56.4°F
(13.6°C)		54.9°F
(12.7°C)		1.5°F
(0.9°C)		107th Coolest
Coolest since:
1905
21st Warmest
Warmest since:
2012
Ties: 1986, 2005
Aug 2007–Jul 2009
24-Month		56.2°F
(13.4°C)		54.2°F
(12.3°C)		2.0°F
(1.1°C)		111th Coolest
Coolest since:
1905
16th Warmest
Warmest since:
2017
Ties: 2006
Aug 2006–Jul 2009
36-Month		56.2°F
(13.4°C)		54.2°F
(12.3°C)		2.0°F
(1.1°C)		113th Coolest
Coolest since:
1906
13th Warmest
Warmest since:
2018, 2019, 2021
Ties: 2006, 2007, 2011
Aug 2005–Jul 2009
48-Month		56.5°F
(13.6°C)		54.2°F
(12.3°C)		2.3°F
(1.3°C)		116th Coolest
Coolest since:
1907
9th Warmest
Warmest since:
2019
Ties: 2008
Aug 2004–Jul 2009
60-Month		56.2°F
(13.4°C)		54.2°F
(12.3°C)		2.0°F
(1.1°C)		109th Coolest
Coolest since:
1908
15th Warmest
Warmest since:
2020
Ties: 2006, 2015

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