russia - St. Petersburg, Gulf of Finland

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8+ Bft 7 Bft 6 Bft 5 Bft 4 Bft 3 Bft 2- Bft
Month Wind distribution (%) Score
1
4
31
66
 40
2
5
29
69
 40
3
6
29
67
 41
4
4
30
69
 41
5
2
28
67
 38
6
6
32
71
 44
7
4
25
70
 39
8
2
26
70
 38
9
2
6
33
71
 46
10
2
11
37
76
 53
11
7
36
72
 47
12
7
33
74
 45