Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2019. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, August 1999

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
August 1999
1-Month
76.2°F
(24.6°C)
73.7°F
(23.2°C)
2.5°F
(1.4°C)
106th Coolest Coolest since: 1998 1927
20th Warmest Warmest since: 1995 2016
Ties: 1898
Jul–Aug 1999
2-Month
77.7°F
(25.4°C)
74.6°F
(23.7°C)
3.1°F
(1.7°C)
114th Coolest Coolest since: 1998 1927
12th Warmest Warmest since: 1988 2016
Ties: 2006
Jun–Aug 1999
3-Month
75.6°F
(24.2°C)
73.3°F
(22.9°C)
2.3°F
(1.3°C)
113th Coolest Coolest since: 1998 1927
13th Warmest Warmest since: 1988 2010
Ties: 1943
May–Aug 1999
4-Month
72.4°F
(22.4°C)
70.5°F
(21.4°C)
1.9°F
(1.0°C)
109th Coolest Coolest since: 1998 1907
17th Warmest Warmest since: 1993 2010
Ties: 1949, 1993, 2013
Apr–Aug 1999
5-Month
68.6°F
(20.3°C)
66.8°F
(19.3°C)
1.8°F
(1.0°C)
110th Coolest Coolest since: 1998 1907
16th Warmest Warmest since: 1991 2010
Mar–Aug 1999
6-Month
64.2°F
(17.9°C)
62.8°F
(17.1°C)
1.4°F
(0.8°C)
102nd Coolest Coolest since: 1997 1907
24th Warmest Warmest since: 1998 2010
Ties: 1942, 1973, 1985, 2013
Feb–Aug 1999
7-Month
60.5°F
(15.8°C)
58.7°F
(14.8°C)
1.8°F
(1.0°C)
106th Coolest Coolest since: 1997 1907
20th Warmest Warmest since: 1998 2012
Ties: 1955, 2009
Jan–Aug 1999
8-Month
57.7°F
(14.3°C)
55.6°F
(13.1°C)
2.1°F
(1.2°C)
110th Coolest Coolest since: 1997 1940
16th Warmest Warmest since: 1998 2012
Ties: 1953
Dec 1998–Aug 1999
9-Month
56.0°F
(13.3°C)
53.4°F
(11.9°C)
2.6°F
(1.4°C)
114th Coolest Coolest since: 1997 1904
11th Warmest Warmest since: 1998 2012
Nov 1998–Aug 1999
10-Month
55.1°F
(12.8°C)
52.7°F
(11.5°C)
2.4°F
(1.3°C)
114th Coolest Coolest since: 1997 1904
11th Warmest Warmest since: 1998 2012
Ties: 1995, 2007
Oct 1998–Aug 1999
11-Month
55.3°F
(12.9°C)
53.0°F
(11.7°C)
2.3°F
(1.2°C)
113th Coolest Coolest since: 1997 1904
12th Warmest Warmest since: 1998 2012
Ties: 2018
Sep 1998–Aug 1999
12-Month
56.6°F
(13.7°C)
54.2°F
(12.3°C)
2.4°F
(1.4°C)
115th Coolest Coolest since: 1998 1904
10th Warmest Warmest since: 1998 2012
Ties: 1998
Mar 1998–Aug 1999
18-Month
59.3°F
(15.2°C)
57.0°F
(13.9°C)
2.3°F
(1.3°C)
114th Coolest Coolest since: 1998 1905, 1918
11th Warmest Warmest since: 1991 2012
Ties: 2006, 2010
Sep 1997–Aug 1999
24-Month
56.6°F
(13.7°C)
54.2°F
(12.3°C)
2.4°F
(1.4°C)
117th Coolest Coolest since: 1998 1905
7th Warmest Warmest to Date 2017
Ties: 2011, 2016
Sep 1996–Aug 1999
36-Month
56.0°F
(13.3°C)
54.2°F
(12.3°C)
1.8°F
(1.0°C)
108th Coolest Coolest since: 1998 1905, 1906
15th Warmest Warmest to Date 2018
Ties: 2004
Sep 1995–Aug 1999
48-Month
55.4°F
(13.0°C)
54.1°F
(12.3°C)
1.3°F
(0.7°C)
99th Coolest Coolest since: 1998 1905, 1907
23rd Warmest Warmest since: 1993 2019
Ties: 1992
Sep 1994–Aug 1999
60-Month
55.5°F
(13.1°C)
54.1°F
(12.3°C)
1.4°F
(0.8°C)
100th Coolest Coolest since: 1998 1908
21st Warmest Warmest to Date 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/