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


Delaware

Average Temperature Rankings, December 1978

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 1978
1-Month
38.8°F
(3.8°C)
36.2°F
(2.3°C)
2.6°F
(1.5°C)
82nd Coolest Coolest since: 1977 1989
43rd Warmest Warmest since: 1974 2015
Ties: 1912
Nov–Dec 1978
2-Month
43.4°F
(6.3°C)
40.9°F
(4.9°C)
2.5°F
(1.4°C)
98th Coolest Coolest since: 1977 1917
27th Warmest Warmest since: 1975 2015
Ties: 1923, 1964, 1985
Oct–Dec 1978
3-Month
47.3°F
(8.5°C)
46.1°F
(7.8°C)
1.2°F
(0.7°C)
80th Coolest Coolest since: 1977 1917
45th Warmest Warmest since: 1975 2015
Ties: 1948
Sep–Dec 1978
4-Month
52.2°F
(11.2°C)
51.4°F
(10.8°C)
0.8°F
(0.4°C)
75th Coolest Coolest since: 1977 1917
50th Warmest Warmest since: 1977 2015
Ties: 1977
Aug–Dec 1978
5-Month
57.1°F
(13.9°C)
55.9°F
(13.3°C)
1.2°F
(0.6°C)
91st Coolest Coolest since: 1977 1917
34th Warmest Warmest since: 1975 2015
Ties: 1982, 2008
Jul–Dec 1978
6-Month
59.8°F
(15.4°C)
59.2°F
(15.1°C)
0.6°F
(0.3°C)
80th Coolest Coolest since: 1976 1917
45th Warmest Warmest since: 1977 2015
Ties: 1898, 1911, 1921, 1938, 1968
Jun–Dec 1978
7-Month
61.4°F
(16.3°C)
60.8°F
(16.0°C)
0.6°F
(0.3°C)
81st Coolest Coolest since: 1977 1917
44th Warmest Warmest since: 1977 2015
Ties: 1898, 1968, 1977, 1982
May–Dec 1978
8-Month
61.2°F
(16.2°C)
60.9°F
(16.1°C)
0.3°F
(0.1°C)
62nd Coolest Coolest since: 1976 1917
63rd Warmest Warmest since: 1977 2015
Ties: 1913, 1922, 1944, 1946, 1965, 1968, 1988
Apr–Dec 1978
9-Month
60.2°F
(15.7°C)
60.0°F
(15.6°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1976 1917
59th Warmest Warmest since: 1977 2015
Ties: 1912, 1918, 1922, 1939, 1948, 1956
Mar–Dec 1978
10-Month
58.1°F
(14.5°C)
58.2°F
(14.6°C)
-0.1°F
(-0.1°C)
43rd Coolest Coolest since: 1976 1917
82nd Warmest Warmest since: 1977 2012
Ties: 1906, 1912, 1933, 1934, 1996
Feb–Dec 1978
11-Month
55.0°F
(12.8°C)
56.1°F
(13.4°C)
-1.1°F
(-0.6°C)
16th Coolest Coolest since: 1967 1917
109th Warmest Warmest since: 1977 2012
Ties: 1905, 1909
Jan–Dec 1978
12-Month
52.9°F
(11.6°C)
54.2°F
(12.3°C)
-1.3°F
(-0.7°C)
12th Coolest Coolest since: 1967 1904
113th Warmest Warmest since: 1977 2012
Ties: 1920, 1962
Jul 1977–Dec 1978
18-Month
55.4°F
(13.0°C)
55.9°F
(13.3°C)
-0.5°F
(-0.3°C)
32nd Coolest Coolest since: 1977 1904
92nd Warmest Warmest since: 1976 2012
Ties: 1897, 1899, 1908, 1911, 1928, 1964, 1965
Jan 1977–Dec 1978
24-Month
53.8°F
(12.1°C)
54.2°F
(12.3°C)
-0.4°F
(-0.2°C)
37th Coolest Coolest since: 1970 1905
87th Warmest Warmest since: 1977 2012
Ties: 1958, 1981, 1982
Jan 1976–Dec 1978
36-Month
53.8°F
(12.1°C)
54.2°F
(12.3°C)
-0.4°F
(-0.2°C)
34th Coolest Coolest since: 1970 1905
89th Warmest Warmest since: 1977 2012
Ties: 1901, 1902, 1911, 1935, 1970, 1979, 1981
Jan 1975–Dec 1978
48-Month
54.1°F
(12.3°C)
54.1°F
(12.3°C)
0.0°F
(0.0°C)
49th Coolest Coolest since: 1972 1907
73rd Warmest Warmest since: 1977 2013, 2018
Ties: 1913, 1930, 1935, 1941, 1958, 1983
Jan 1974–Dec 1978
60-Month
54.2°F
(12.3°C)
54.1°F
(12.3°C)
0.1°F
(0.0°C)
54th Coolest Coolest since: 1973 1905
67th Warmest Warmest since: 1977 2012
Ties: 1939, 1942, 1960, 1973, 1984

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 11, 2019 from https://www.ncdc.noaa.gov/cag/