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Climatological Information for Washington, United States
Location of weather station : 38.8 N, 77.0 W, altitude : 20 m
Data
Period
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Mean Maximum
Temperature
(deg. C)
1961-1990
5.7
7.7
13.6
19.3
24.6
29.3
31.4
30.5
26.7
20.6
14.6
8.3
Mean Temperature
(deg. C)
1961-1990
1.4
3.1
8.4
13.6
19.1
24.2
26.7
25.8
21.8
15.4
9.9
4.1
Mean Minimum
Temperature
(deg. C)
1961-1990
-2.9
-1.6
3.2
8.0
13.7
19.2
21.9
21.1
16.9
10.2
5.1
-0.2
Rainfall Amount
(mm)
1961-1990
69.1
68.8
80.5
68.8
93.0
85.9
96.5
99.3
84.1
76.7
79.2
79.2
Days with Rain*
1961-1990
7.8
7.3
8.0
7.6
8.9
7.5
7.8
7.4
5.9
5.7
6.7
7.1
Mean Daily Sunshine
Duration
(hours)
1961-1990
4.7
5.4
6.6
7.6
8.4
9.4
9.0
8.5
7.5
6.6
5.0
4.3
* denotes number of days with at least 1.0 mm of rainfall
2003
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Last revision date: <20 Dec 2012>