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Washington (Dulles), District of Columbia

Average Temperature Rankings, January 1978

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  • Record Coolest
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
January 1978
1-Month
27.2°F
(-2.7°C)
33.7°F
(0.9°C)
-6.5°F
(-3.6°C)
6th Coolest
Coolest since:
1977
56th Warmest
Warmest since:
2006
Dec 1977–Jan 1978
2-Month
30.1°F
(-1.1°C)
35.5°F
(1.9°C)
-5.4°F
(-3.0°C)
6th Coolest
Coolest since:
1977
56th Warmest
Warmest since:
2002
Nov 1977–Jan 1978
3-Month
36.0°F
(2.2°C)
39.2°F
(4.0°C)
-3.2°F
(-1.8°C)
10th Coolest
Coolest since:
1977
49th Warmest
Warmest since:
2002
Oct 1977–Jan 1978
4-Month
40.4°F
(4.7°C)
43.4°F
(6.3°C)
-3.0°F
(-1.6°C)
7th Coolest
Coolest since:
1977
52nd Warmest
Warmest since:
2002
Sep 1977–Jan 1978
5-Month
46.3°F
(7.9°C)
48.4°F
(9.1°C)
-2.1°F
(-1.2°C)
8th Coolest
Coolest since:
1977
51st Warmest
Warmest since:
2017
Ties: 1994
Aug 1977–Jan 1978
6-Month
51.3°F
(10.7°C)
53.0°F
(11.7°C)
-1.7°F
(-1.0°C)
9th Coolest
Coolest since:
1977
50th Warmest
Warmest since:
2017
Ties: 1967
Jul 1977–Jan 1978
7-Month
55.0°F
(12.8°C)
56.4°F
(13.6°C)
-1.4°F
(-0.8°C)
11th Coolest
Coolest since:
1977
48th Warmest
Warmest since:
2017
Ties: 1967, 1969, 1973
Jun 1977–Jan 1978
8-Month
56.8°F
(13.8°C)
58.5°F
(14.7°C)
-1.7°F
(-0.9°C)
10th Coolest
Coolest since:
1977
49th Warmest
Warmest since:
2017
May 1977–Jan 1978
9-Month
57.8°F
(14.3°C)
59.1°F
(15.1°C)
-1.3°F
(-0.8°C)
13th Coolest
Coolest since:
1977
46th Warmest
Warmest since:
2017
Ties: 1975
Apr 1977–Jan 1978
10-Month
57.7°F
(14.3°C)
58.7°F
(14.8°C)
-1.0°F
(-0.5°C)
17th Coolest
Coolest since:
1977
42nd Warmest
Warmest since:
2012
Ties: 1990
Mar 1977–Jan 1978
11-Month
56.9°F
(13.8°C)
57.3°F
(14.1°C)
-0.4°F
(-0.3°C)
25th Coolest
Coolest since:
1977
34th Warmest
Warmest since:
2017
Ties: 1983, 2004
Feb 1977–Jan 1978
12-Month
55.1°F
(12.8°C)
55.6°F
(13.1°C)
-0.5°F
(-0.3°C)
28th Coolest
Coolest since:
1968
31st Warmest
Warmest since:
2013, 2017
Ties: 1983
Aug 1976–Jan 1978
18-Month
52.4°F
(11.3°C)
54.7°F
(12.6°C)
-2.3°F
(-1.3°C)
2nd Coolest
Coolest since:
1968
55th Warmest
Warmest since:
2017
Ties: 1969
Feb 1976–Jan 1978
24-Month
54.1°F
(12.3°C)
55.6°F
(13.1°C)
-1.5°F
(-0.8°C)
11th Coolest
Coolest since:
1968, 1969
46th Warmest
Warmest since:
2013
Feb 1975–Jan 1978
36-Month
54.2°F
(12.3°C)
55.5°F
(13.1°C)
-1.3°F
(-0.8°C)
12th Coolest
Coolest since:
1970
43rd Warmest
Warmest since:
2013
Ties: 1980, 1983
Feb 1974–Jan 1978
48-Month
54.3°F
(12.4°C)
55.4°F
(13.0°C)
-1.1°F
(-0.6°C)
13th Coolest
Coolest since:
1970
40th Warmest
Warmest since:
2013, 2020
Ties: 1972, 1985
Feb 1973–Jan 1978
60-Month
54.6°F
(12.6°C)
55.3°F
(12.9°C)
-0.7°F
(-0.3°C)
15th Coolest
Coolest since:
1968, 1970, 1971
36th Warmest
Warmest since:
2021
Ties: 1974

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