496
THE HONG KONG GOVERNMENT GAZETTE, MAY 12, 1939.
ROYAL OBSERVATORY.
No. 386.-Extract of Meteorological Observations made at the Royal Observatory, Hong Kong, during the month of April, 1939.
DATE.
BAROMETER
AT M.S.L.
TEMPERATURE.
HUMIDITY.
Max.
Mean. Min.
Rel.
Abs.
CLOUDINESS.
SUNSHINE.
WIND.
RAIN.
Mean Mean
Dir.
Vel.
April.
ius.
p. c.
ins.
Mile
p. c.
hrs.
ius.
Points.
p.h.
4
29.88
77.2
72.7
70.0
94
0.76
90
2.2
E by S
10.7
2...
.82
80.0
72.7
63.6
87
95
2.0
0.735
SW by W
8.2
3..
30.05
63.9
59.9
549
69
.35
99
NNE
7.5
4..
.21 55.0
53.2
51.1
81
.33
100
0.255
NNE
7.6
5,.
.24
58.3
54-9
50.4
76
.32
100
0.095
NNE
4.8
6,.
.26
67.9
61.7
56.3
51
.28
58
8.0
NNE
9.9
7..
.24
67.0
61.8
56.0
58
.32
20
9.4
E
8.2
8,.
.17
65.8
62.8
58.0
64
.36
39
10.1
E by N
9..
.15
69.2
65.5
62.5 65
17.3
70
5.7
E
15.6
10..
.12 71.8
67.5
64.0
75
از
3+
10.9
E
12.5
{I,.
.05
4.7
69.6
66.0
81
•58
52
E by S
9.7
[ 2.
29.97 80.1
72.4
68.3
86
.68
79
5.3
E by N
3.1
3..
.92
78.6 72.4
68.0
91
.72
$1
5-3
E by
7.0
.88
14..
76.0
72.6
70.0
94
-75
90
3.6
E
10.7
*5..
.86
74.7
79.5
68.6
96
.72
99
:
2.215
E by N
$6..
.83 75-7 70.4 68.7 92
5.2
.68
91
0.5
0.970
E
3.7
47,.
.86
69.8 68.0
66.0
93
.64 94
T:
0.275
E
€8,.
.87 73.2 69.5
13.7
65.0
86
.62
77
4.2
E
II.0
[9..
.81 73-7
70.2
68.9
94
.69
98
2.715
E
11.7
20,
.80 72.1
70.6
69.2
97
-73
100
5.720
E
9.1
21,
.84 77.8
73.8
70.4 91
76
93
3.1
E
2.4
22,
.90 75.6 72.4
68.9
93
.74
97
0.045
E by N
5.7
23.
30.00 75.3 71.0
67.8
69
.52 84
2.7
0.025
E
21.7
24..
.02 71.8 69.2
67.7
66
48
3.5
E
23.1
25..
29.95 73.2
0.2
68 0
83
.61
96
0.4
E
12.3
26..
.96 76.2
72.9
70.0
86
وة.
95
0.480 NE by N
3.6
27,.
.99 76.3 72.1
69.3
28.
.91 70.0
67.6
65.7
1 &
71
.56 81
3.2
E
10.1
.60
100
0.890
E
13.5
29,.
.80 744 69.7
66.2
94
.68 98
2.4 1.380
30,.
.80
78.3
72.9
70.0
93
75
I.1
22
E
10.9
E
1.2
Mean
29.97
72.5
68.4 65.0 82
0.58 83
91.3
15.800
E by N
9.8
MEANS AND EXTREMES FOR APRIL:-
Maximum,. 30.03 78.7 74.6 713 89 0.74 94 204.7 17.165 Normals,
29.96 74.8 70.4 67.1 85 0.64 80 115.3 5.197 Minimum, . 29.89 700 65.2 61.8 75
0.53
54
53-3 1.235
13.9
E
10. F
7.8
The lowest reading of the barometer (M.S.L.) was 29ins. 690 at 17h. 15m. on the 19th.
The maximum gust velocity as recorded by the Dines-Baxendell auemograph, was at the rate of 53 miles per hour at 12h. 30m. on the 2nd and at 09h. 48m. on the 15th.
9th May, 1939.
B. D. EVANS, Director.