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Washington (Dulles), District of Columbia

Average Temperature Rankings, December 1963

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Period Value 1991-2020
Mean
Anomaly Rank
(1960-2022)
Warmest/Coolest
Since
Record
December 1963
1-Month
29.6°F
(-1.3°C)
37.8°F
(3.2°C)
-8.2°F
(-4.5°C)
3rd Coolest
Coolest to Date
1989
60th Warmest
Warmest since:
2015
Nov–Dec 1963
2-Month
39.2°F
(4.0°C)
41.9°F
(5.5°C)
-2.7°F
(-1.5°C)
9th Coolest
Coolest to Date
1989
51st Warmest
Warmest to Date
2015
Oct–Dec 1963
3-Month
45.6°F
(7.6°C)
46.9°F
(8.3°C)
-1.3°F
(-0.7°C)
21st Coolest
Coolest to Date
1976
39th Warmest
Warmest to Date
2015
Ties: 1968, 1986
Sep–Dec 1963
4-Month
50.2°F
(10.1°C)
52.3°F
(11.3°C)
-2.1°F
(-1.2°C)
13th Coolest
Coolest to Date
1976
47th Warmest
Warmest to Date
2015
Ties: 1992
Aug–Dec 1963
5-Month
54.7°F
(12.6°C)
57.0°F
(13.9°C)
-2.3°F
(-1.3°C)
10th Coolest
Coolest to Date
1976
50th Warmest
Warmest to Date
2021
Jul–Dec 1963
6-Month
58.1°F
(14.5°C)
60.4°F
(15.8°C)
-2.3°F
(-1.3°C)
9th Coolest
Coolest to Date
1976
51st Warmest
Warmest to Date
2021
Ties: 1972
Jun–Dec 1963
7-Month
59.9°F
(15.5°C)
62.2°F
(16.8°C)
-2.3°F
(-1.3°C)
8th Coolest
Coolest to Date
1976
52nd Warmest
Warmest to Date
2021
Ties: 1969
May–Dec 1963
8-Month
60.1°F
(15.6°C)
62.4°F
(16.9°C)
-2.3°F
(-1.3°C)
8th Coolest
Coolest to Date
1976
52nd Warmest
Warmest to Date
2015
Apr–Dec 1963
9-Month
59.5°F
(15.3°C)
61.6°F
(16.4°C)
-2.1°F
(-1.1°C)
9th Coolest
Coolest to Date
1976
51st Warmest
Warmest to Date
2015
Mar–Dec 1963
10-Month
58.0°F
(14.4°C)
59.9°F
(15.5°C)
-1.9°F
(-1.1°C)
9th Coolest
Coolest to Date
1976
51st Warmest
Warmest to Date
2021
Ties: 1969, 1996
Feb–Dec 1963
11-Month
55.3°F
(12.9°C)
57.7°F
(14.3°C)
-2.4°F
(-1.4°C)
4th Coolest
Coolest to Date
1967, 1972
56th Warmest
Warmest to Date
2021
Ties: 1992
Jan–Dec 1963
12-Month
53.1°F
(11.7°C)
55.8°F
(13.2°C)
-2.7°F
(-1.5°C)
2nd Coolest
Coolest to Date
2014
58th Warmest
Warmest to Date
2020
Ties: 1966, 1981
Jul 1962–Dec 1963
18-Month
-- 57.3°F
(14.1°C)
-- --
--
1977
--
--
2021
Jan 1962–Dec 1963
24-Month
-- 55.8°F
(13.2°C)
-- --
--
1967
--
--
2021
Jan 1961–Dec 1963
36-Month
-- 55.8°F
(13.2°C)
-- --
--
1981
--
--
2021

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