The mean for the year was 77% as against 79% in 1928 and 77% for the past 46 years. It frequently exceeded 95% in Spring and Summer. The lowest for the year was 26% at 1h. 0m. p.m. on April 20 and at 4h. 0m. p.m. on November 18, as against 25% in 1928 and 12% for the past 46 years.
Rainfall at five Stations.-In the following table the monthly rainfall for the year 1929 at the Observatory is compared with the fall at the Police Station, (Tai Po), the Botanical Gardens, (Hong Kong), the Matilda Hospital, (Mount Kellet), and Fanling:-
MonthObser-vatoryPolice Station (Kowloon)Botanical Gardens (Hong Kong)Matilda Hospital (Mount Kellet)Fanling (Taipo) January0.930 inches1.48 inches1.30 inches0.90 inches February0.585 inches0.77 inches0.70 inches0.66 inches March0.505 inches0.08 inches0.91 inches0.97 inches April1.540 inches0.9** inches1.22 inches1.05 inches1.68 inches May6.620 inches3.97 inches7.00 inches5.48 inches3.53 inches June4.195 inches4.07 inches5.31 inches3.64 inches4.1L inches July22.700 inches20.87 inches23.23 inches18.43 inches24.64 inches August20.020 inches12.58 inches20.07 inches15.12 inches15.67 inches September10.795 inches9.55 inches9.41 inches7.07 inches3.68 inches October0.140 inches0.00 inches0.11 inches0.11 inches0.03 inches November1.375 inches1.82 inches1.31 inches1.52 inches1.78 inches December0.420 inches0.63 inches0.59 inches0.57 inches0.27 inches Year69.825 inches56.79 inches71.16 inches55.62 inches55.34 inches*From April 1.
Floods.-Little or no damage was caused by floods during the year 1929. The heaviest rainfall occurred at the Observatory as follows:
Period 1929DurationAmount July 11 0h to July 15 9h4d 9h17.47 inches July 20 23h to July 243d 6h6.39 inches July 26 10h to July 281d 14h1.65 inches Aug. 15 2h to Aug. 194d10.96 inches Sept. 29 12h to Oct. 1 2h1d 14h4.87 inchesGreatest fall in 1 hour.
AmountTime 2.780 inchesAug 16 4h 1.010 inchesJuly 22 16h 0.900 inchesJuly 12 9h 0.870 inchesJuly 28 12h 0.580 inchesSept. 29 20hTyphoons.-The tracks of 15 typhoons in the Far East are given in the Monthly Meteorological Bulletin for December. On August 22 a typhoon passed between Hong Kong and Gap Rock on a WNW track. The lowest barometer reading, reduced to sea level and standard gravity, was 28.912 inches at 1.43 p.m. The greatest wind velocity (gust) was at the rate of 117 m.p.h. from E by S at 1.39 p.m.
-F 5
mean for the year was 77% as against 79% in 1928 and 77% for the past 46 years. It frequently exceeded 95% in Spring and Summer. The lowest for the year was 26% at 1h. Om. p.m. on April 20 and at 4h. Om. p.m. on November 18, as against 25% in 1928 and 12% for the past 46 years.
Rainfall at five Stations.-In the following table the monthly rainfall for the year 1929 at the Observatory is com- pared with the fall at the Police Station, (Tai Po), the Botanical Gardens, (Hong Kong), the Matilda Hospital, (Mount Kellet), and Fanling:-
Obser- Police
Botanical Gardens
Matilda Hospital (Mount Kellet. Fanling.
(Hong Kong).Hong Kong).
Month.
vatory Station
(Kowloon). (Taipo).
inches, inches.
inches.
inches.
inchis.
January,
0'930 1*48
1.30
o'90
February,
0'585
0'77
0'70
0.66
March,
0'505
0.08
C'91
C'97
April,
1540
0'9**
1'22
1:05
168
May,
6.620
3.97
7:00
5.48
3.53
June,
4'195
4'07
5°31
3.64
4.1L
July,
22.700
20.87
23°23
18:43
24.64
August,
20*020
12.58
20'07
15.12
15.67
September,... 10795
9'55
9'41
7:07
3.68
October,
0'140
0'00
O'I I
O'I I
0'03
November,... 1375
1.82
1.31
152
178
December,
0'420
0.63
0*59
0'57
0'2/2
Year.... 69.825
56.79 6 7116
55.62
*
55'34'
*From April 1.
J
Floods.-Little or no damage was caused by floods during the year 1929. The heaviest rainfall occurred at the Observatory as follows:
Amount.
Duration.
Period 1929.
d. b.
d. h.
inches.
hours.
July ...II
0 to July 15
15
9 48
+7
July ...20 23 to
July 24
3
6:39
28
July...26 10 to July 28
14
1*65
17
Aug....15 2 to Ang. 19 Sept....29 12 to
to Oct. 1 2
19
10.96
35
4.87
•
15
Greatest fall in 1 hour.
Amount, Time.
inches.
d. b. 0 900 July 12 9 1:010 July 22 16 0.870 July 28 12
2.780 Aug 16 4
0.580 Sept. 29 20
Typhoons.-The tracks of 15 typhoons in the Far East are given in the Monthly Meteorological Bulletin for December. On August 22 a typhoon passed between Hong Kong and Gap Rock on a WNW track. The lowest barometer reading, reduced to sea level and standard gravity, was 28.912 inches at 1.43 p.m. The greatest wind velocity (gust) was at the rate of 117 m.p.h. from E by S at 1.39 p.m.
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