THE HONGKONG GOVERNMENT GAZETTE, JUNE 10, 1921.
245
ROYAL OBSERVATORY.
No. 262.-Extract of Meteorological Observations made at the Royal Observatory, Hongkong, during the month of May, 1921.
DATE.
BARO-
METER
AT
TEMPERATURE,
HUMIDITY.
WIND.
CLOUDI SUN-
NESS. SHINE.
RAIN.
M.S.L. Max. Mean. Min.
Rel. Abs.
Dir.
Vel.
ins.
p. c.
ins.
P. c.
hrs.
ins.
Points.
Miles
p.h.
I,
29.91
80.5
-6.3
74.0
90
0.81
72
5.7
E by S 10.6
.85
2,
85.1
-8.3
73.6
82
.82
3,
84.4
-8.9
75.9
86
+,
.79
86.8
80.I
74.4
80
5,
.79
78.8
73.6
71.2
6,
.79
78.7
74.6
71.3 90
00 00 00 1E
.80
47
8.0
SE
5.5
.85
58
7.2
0.305
S by E
4.2
.83
60
10.1
1.165
S
6.4
.76
100
2.980
SE
5.2
•77
91
1.8
0.315
W by S
1.4
.81
7,
78.0 75.2
73.9
91
.80
97
0.085
WSW
2.4
8,
.83
79.9
75-7
73.0
84
.75
92
0.165
SE
5.4
9, ....
84
78.8
76.2
73.6 90
.81
95
:
3.895
SE
9.2
.88
78.6
JO,
76.5
73.3
85
0.3
1.210
S by E
6.2
II,
.85
85.8 80.6
74.7
82
74
10.8
...
SSW
7.2
12, 13,
84.6 80.8
77.9
78
52
10.8
...
SW by S 6.7
.78
86.6
81.3
79.9
82
82
7.4
0.140
S by W
....
7.7
82.0
14,
15,
16,
17, 18,
19,
20,
....
77.9
73.8
96
0.1
.83
75.5
73.8
72141
100
1.040
•495
S by E
7.8
Ë
19.8
86.0
80.0 73.9
96
2.5
I
55
8 by W
I 3.1
$1.2
!
77.8
74.2 90
99
3.03
W by S
9.0
78.6
76.4
745
93
100
C.I
0.555
83.5
77.7 77.0 75.3 73.4 88
76.2
92
96
0.035
100
0.100
21,
.77 .76
31.6
81.5
229
774 74·5 77.6
67
11.3
...
75.+
95
1.2
2.645
239
86.2 79.7 76.8
95
2.8
0.115
E
E
E by N E SE by E SE
3.
22.
.8:
78.2
24,
75.5 74.3
95
100
5.915
E by N 17.0
.82
77.0
25,
75.6 73.9 93
100
1.455
E by S 12.
265
.79
82.7 77-7 754
100
1. I
1.485
SE by E-..
27.
.80
83.1 76.6 73.1
96
1.7
1.420
E by N
28,
.83
74.7
72.1 69.8
.81
77.9
29.
74.0 70.7
x x
67
99
1.0
0.070
69
93
2.6
E by N 26.6 E by N 19.2
82.8
30,
-75
78.4 73.5
88
90
1.1
0.180
31,
.70
85.1
79.5
75.4 85
0.2
3.545
S by E SW by W
13.4
1.2
Mean,...
81.3 29.80
77.1 74.1
88
0.82
88
89.9
33-785
ESE
9.7
MEANS AND EXTREMES FOR MAY:-
Maximum,
29.92
90 Mean, (1884-1918),' 29.86 81.3 76.8 73.5 83 Minimum,
29.79 78.6 73.4 70.9 77
84.1 79.4 76.0
.85
89
261.3 48.840
16.0
.77
75
155.3 11.602
E by S 12.7
.71
54 82.5 1.150
9.4
The rainfall for the month of May at the Botanical Gardens was 33 ins.50 on 25 days, at the Matilda Hospital, Mount Kellett, it was 29 ins67 on 23 days, and at the Police Station, Taipo, it was 35 49 on 24 days.
ins. •
The total rainfall at the Royal Observatory was the greatest on record for May except in 1889, when the total fall in May was 48 840 inches, of which 32:600 inches fell between 6.30 a.m. on May 29 and 3.30 p.m. on May 30.
The greatest fall in one civil day was 20495 on May 30, 1889, and the greatest hourly fall 3400 inches at 4 a.m. on May 30. The corresponding figure for 1921 were 5915 inches on May 24 and 3.250 inches at 2 p.m. on May 31.
In June, 1892, the rainfall was 34375 inches. This is the only other occasion on which the total for May, 1921, has been exceeded, in any month.
9th June, 1921.
T. F. CLAXTON,
Director,