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 December 2020. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, December 1984

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1984
1-Month
44.0°F
(6.7°C)
36.2°F
(2.3°C)
7.8°F
(4.4°C)
123rd Coolest Coolest since: 1983 1989
4th Warmest Warmest to Date 2015
Nov–Dec 1984
2-Month
44.4°F
(6.9°C)
40.9°F
(4.9°C)
3.5°F
(2.0°C)
112th Coolest Coolest since: 1983 1917
15th Warmest Warmest since: 1982 2015
Oct–Dec 1984
3-Month
50.2°F
(10.1°C)
46.1°F
(7.8°C)
4.1°F
(2.3°C)
119th Coolest Coolest since: 1983 1917
8th Warmest Warmest since: 1971 2015
Ties: 1971
Sep–Dec 1984
4-Month
54.0°F
(12.2°C)
51.4°F
(10.8°C)
2.6°F
(1.4°C)
110th Coolest Coolest since: 1983 1917
17th Warmest Warmest since: 1971 2015
Ties: 2017
Aug–Dec 1984
5-Month
58.1°F
(14.5°C)
55.9°F
(13.3°C)
2.2°F
(1.2°C)
107th Coolest Coolest since: 1983 1917
20th Warmest Warmest since: 1971 2015
Ties: 1959
Jul–Dec 1984
6-Month
60.8°F
(16.0°C)
59.2°F
(15.1°C)
1.6°F
(0.9°C)
102nd Coolest Coolest since: 1983 1917
25th Warmest Warmest since: 1973 2015
Ties: 1991
Jun–Dec 1984
7-Month
62.5°F
(16.9°C)
60.8°F
(16.0°C)
1.7°F
(0.9°C)
102nd Coolest Coolest since: 1983 1917
25th Warmest Warmest since: 1973 2015
Ties: 1991, 2003, 2013
May–Dec 1984
8-Month
62.4°F
(16.9°C)
61.0°F
(16.1°C)
1.4°F
(0.8°C)
101st Coolest Coolest since: 1983 1917
26th Warmest Warmest since: 1973 2015
Ties: 1949, 1973, 1987, 2008
Apr–Dec 1984
9-Month
61.1°F
(16.2°C)
60.0°F
(15.6°C)
1.1°F
(0.6°C)
93rd Coolest Coolest since: 1983 1917
34th Warmest Warmest since: 1977 2015
Ties: 1977, 1986
Mar–Dec 1984
10-Month
58.7°F
(14.8°C)
58.2°F
(14.6°C)
0.5°F
(0.2°C)
73rd Coolest Coolest since: 1982 1917
54th Warmest Warmest since: 1983 2012
Ties: 1898, 1970, 1975
Feb–Dec 1984
11-Month
57.1°F
(13.9°C)
56.1°F
(13.4°C)
1.0°F
(0.5°C)
94th Coolest Coolest since: 1983 1917
33rd Warmest Warmest since: 1977 2012
Ties: 1900, 1946, 1954, 1986
Jan–Dec 1984
12-Month
54.7°F
(12.6°C)
54.2°F
(12.3°C)
0.5°F
(0.3°C)
78th Coolest Coolest since: 1982 1904
49th Warmest Warmest since: 1983 2012
Ties: 1930, 1951, 2000, 2014
Jul 1983–Dec 1984
18-Month
56.5°F
(13.6°C)
55.8°F
(13.2°C)
0.7°F
(0.4°C)
82nd Coolest Coolest since: 1982 1904
44th Warmest Warmest since: 1983 2012
Ties: 1939, 1959, 1975
Jan 1983–Dec 1984
24-Month
54.8°F
(12.7°C)
54.2°F
(12.3°C)
0.6°F
(0.4°C)
82nd Coolest Coolest since: 1983 1905
44th Warmest Warmest since: 1975 2012
Ties: 1952, 1955
Jan 1982–Dec 1984
36-Month
54.5°F
(12.5°C)
54.2°F
(12.3°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 1983 1905
55th Warmest Warmest since: 1977 2020
Ties: 1921, 1922, 1976, 1977
Jan 1981–Dec 1984
48-Month
54.3°F
(12.4°C)
54.2°F
(12.3°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1983 1907
65th Warmest Warmest since: 1977 2020
Ties: 1921, 1945
Jan 1980–Dec 1984
60-Month
54.2°F
(12.3°C)
54.1°F
(12.3°C)
0.1°F
(0.0°C)
54th Coolest Coolest since: 1983 1905
69th Warmest Warmest since: 1978 2020
Ties: 1939, 1942, 1960, 1973, 1978

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 26, 2021 from https://www.ncdc.noaa.gov/cag/