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| Climatological Information for Washington, United States |
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| Location of weather station : 38.8 N, 77.0 W, altitude : 20 m |
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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 |
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| * denotes number of days with at least 1.0 mm of rainfall |
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