1923
OCTOBER
CALM
5 %
CALM
1924
10%
1925
4 10 24 WIND REACHED FORCE No 8
5 10-24
6 10 24
CALM
10%
GALM
1926
7%
+
ད
NE
H
A
NE ENE & E
7- ENE & E
11 10 26 WIND REACHED FORCE No 7 - E
15 10 26
1927
CALM 7%
ENE & E
SHAN SHUI PE
6 10 27 WIND REACHED
FORCE No 7- NE & ENE
7 10 27
8 NE ENE & E
KOWLOON PENINSULA
IKA TI
SCALE
| INCH = | MILE
SUGGESTED
CON
AERODROME SITE
KAU LUNG TONG
CITY
XUNG
TOBEERVATORY
KOWLOON
BAY
- OBSERVATORY WHERE WIND FORCE RECORDED.
EXPLANATION OF BEAUFORT
SCALES
BEAUFORT No ↓ INDICATES WIND FORCE
1 - 3 MILES PER HOUR
2
24
4 - 7
ม
"
rt
3
11
**
8 - 12
#
19 4
ני
*J
}}
13 - 18
JJ
13
41
5
و"
-
ور
6
*
19-24 S
25-31
11
}}
"
j
"
*
11
7
8
"
K
+7
32-38 n
*
»
" 39-46
"
SCALE OF PERCENTAGE OF WIND
10
10
20 30
40 50 60
70 80
90
100%
维
SCALE
3 IN =
100%
76%
P. W. D. HONG KONG
FEB. 1928.