Y
1923
1924
DECEMBER
CALM
7%
>
CALM
SHAM SHU |
KOWLOON
SCALE
PENINSULA
1 INCH | MILE
IMATI
* 1
78
SUGGESTED
(KAU LUNG
JONG
ZOWLOON
CITY
AERODROME SITE
HUND
OBSERVATORY
UNA TOWI
KOWLOON
BAY
OBSERVATORY WHERE WIND FORCE
RECORDED
EXPLANATION OF BEAUFORT
SCALES
BEAUFORT NO 1 INDICATES WIND FORCE
1 - 3 MILES PER HOUR
1925
CALM
15%
2
3
4 - 7
8-12
11
4
13 - 18
.8.2 25 WIND REACHED FORCE N9 7- ENE & E
5
1
18 - 24
6
17
25 - 31
H
32 -38
11
+
39 - 46
CALM
1926
1927
CALM
ར
SCALE OF PERCENTAGE
OF WIND
10
20 30 40 50
70 80
ŽELALALKİ
1
100%
SCALE
3 IN = 100%
PWD HONG KONu
FEB 1926
Page 80Page 81