1923
NOVEMBER
CALM
10%
25 1123 WIND REACHED FORCE N2 7 - E
CALM
1924
7%
SHAM SHUI pe
CALM
1925
"
1926
CALM
6%
CALM
1927
9%
2011 27 WIND REACHED FORCE No 8 - E ESE & SE
7- NE & ENE
KOWLOON PENINSULA
SCALE
|INGH = I MILE
YARMATI
27
SUGGESTED
KAU LUNG
TONG
KOWLOOM
CITY
AERODROME SITE
POSSERVATORY
TRIM SHATSUI
KOWLOON
BAY
= OBSERVATORY WHERE WIND FORCE RECORDED
EXPLANATION OF BEAUFORT
SCALES
BEAUFORT NO Į INDICATES WIND FORCE
1 - 3 MILES PER HOUR
2
3
*
4 7
>>
M
*
"
8 - 12
13
•
4
79
13 - 18
+
5
#
વ
19
24
-
*
H
*
6
4
»
25 - 31
豐
"
+5
疇
7
*
M
32 .38
T
*
8
ກ
*
38-46
4
SCALE OF
PERCENTAGE
OF WIND
10
20 30
SCALE 3 IN. = 100%
90
100%
P. W. D. HONG KONG FEB 1928.