风级

风速(m/s)

风压(kPa)

0

0~0.2

2.5e−5

1

0.3~1.5

1.4e−3

2

1.6~3.3

6.8e−3

3

3.4~5.4

0.02

4

5.5~7.9

0.04

5

8.0~10.7

0.07

6

10.8~13.8

0.12

7

13.9~17.1

0.18

8

17.2~20.7

0.27

9

20.8~24.4

0.37

10

24.5~28.4

0.50

11

28.5~32.6

0.66

12

32.7~36.9

0.85