年均

冬季

30˚N

60˚N

30˚N

60˚N

持续天数(天)

4

7

4

7

4

7

4

7

1波振幅(gpm)

29.152

42.004

54.841

78.572

72.068

86.862

105.980

78.842

2波振幅(gpm)

11.000

5.952

28.859

83.102

25.861

3.191

112.182

129.876

3波振幅(gpm)

7.746

16.027

17.671

28.752

23.801

20.094

36.815

6.954