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 September 2019. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, September 1987

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
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)
89th Coolest Coolest since: 1986 1917
37th Warmest Warmest since: 1980 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)
93rd Coolest Coolest since: 1986 1927, 1963
33rd Warmest Warmest since: 1983 2018
Ties: 1921, 1947, 1993, 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: 1986 1909
21st Warmest Warmest since: 1980 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: 1986 1927
11th Warmest Warmest since: 1900 2010
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: 1986 1924, 1927
14th Warmest Warmest since: 1959 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: 1986 1907
26th Warmest Warmest since: 1980 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: 1986 1924
21st Warmest Warmest since: 1977 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: 1986 1907
37th Warmest Warmest since: 1985 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: 1986 1940
45th Warmest Warmest since: 1986 2012
Ties: 1943, 1986, 2015
Dec 1986–Sep 1987
10-Month
55.7°F
(13.2°C)
54.9°F
(12.7°C)
0.8°F
(0.5°C)
82nd Coolest Coolest since: 1986 1904
43rd Warmest Warmest since: 1985 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: 1984 1904
47th Warmest Warmest since: 1986 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: 1984 1904
39th Warmest Warmest since: 1986 2012
Ties: 1898, 1930, 1973, 1974
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: 1985 1904, 1918
34th Warmest Warmest since: 1986 2012
Ties: 1955, 1976, 1985, 2014
Oct 1985–Sep 1987
24-Month
55.2°F
(12.9°C)
54.1°F
(12.3°C)
1.1°F
(0.6°C)
95th Coolest Coolest since: 1985 1905
29th Warmest Warmest since: 1986 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: 1986 1905, 1918
23rd Warmest Warmest since: 1954 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: 1985 1905
34th Warmest Warmest since: 1986 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: 1986 1908
29th Warmest Warmest since: 1955 2019
Ties: 1989, 1998

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/