Day.
Station: Royal Observatory, Hongkong.
Height above M.S.L. 109 ft.
Barometer at M.S.L. and
reduced to gravity at
latitude 45°.
Air Temperature.
1917.
Month of March.
Tension
of
Vapour.
Humidity.
¡Relative
Wind.
Direction and Force.
Amount of
Cloud.
Long. 7" 36"- 41*8 E.
Lat. 22° 18' 13-2" N.
Rainfall.
Remarks.
1917.
7 B.
IP.
9 p.
71.
9 p.
Max.
Min.
Daily Daily Means. Moans.
Daily
7 0.
p. 9 p.
Mouns.
Mar.
L
30.108
Ina,
30.133
ins.
с
G
A
D
in.
%%%
Dir. Vel. Dir. Vel. Dir. Vel. (0-10.)| points,sty h, 'points.up.k. poluta | in.p.h.
11
30.106
49.6
49.6
30.2
55-9
+8.4
0.313
84
7 3 8 10.0
0.930
.041
29.986
-013
519
53-3
54.5
55-5
51.0
.345
18
10.0
3
29.989
.974
29 961
56.3
62.9 60.4
65.7
53-7
-415
2
.970
.984
.986
59.6
60.0
59.2
61.7
58.5
+409
79
.993
-951
30.027
56.7
62.7
58.1
63.5
56.1
+413
8z
30.074
30.092
.089 5+7
53.6 58.8
61.8
54.6
.393
80
.100
.084
.038
56.8
39.9
59.4
60.9
56.+
.394
81
29.973
29.903
29.878
59.7
66.1
64.6
67.0
57.8
.459
80
9
.851
.872
,882
65.1
67.6
65.7
73.9
64.6
.601
89
10
.965
.982
.950
62.3
63.8
61.5
67.5
61.4
.469
.970
.947
.878
60.6
63.6
61.7
65.1
60.2
-453
80
12
.886
.863
.849
65.4
70.4
66.8
71.2
63.9
.619
15 16 16 1AG ON 00 00 00
7
33
5
S
3
9
20
20
2
38
8
29
93
20
13
.853
.883
.874
68.5
73.7
67.6
74.9
66.1
.651
N
ON 19:00 ON 30 30 00 00 00
8.1
0.153 0.010
Slight fog, Haze.
7 14 9.5 7 12 10.0
0.015
0.020
10.0
0.015
23
22
100
9.0
2 8.1
I 7.8 8.0
+
Slight fog, Haze.
Slight fog.
10.0
9.1
Slight fog.
90
5.7
Slight fog.
14
.921
.924
30.033
63.7
73.1
67.1
76.1
63.4
.566
83
25
7
3-5
Thick fog.
15
30.195
30.239
.244
57.2
56.6
54.3
63.9
53.6
.322
69
1 20 32
6
10.0
16
.189
.149
.109
56.6
59.3
59.6
61.8
55-5
.318
65
17
.032
.007
29.984 60.8
63.2
63.0
65-4
59.2
.432
77
18
29.960
29.941
.950 63.6
68.7
66.4
70.7
62.8
-553
86
T30 ON
12
9
19
.957
.939
.948
65.4
76.8
68.8
77.2
65.4
.610
85
20
30.026
30.050
30.047
62.7
66.6 64.6
67.4
62.6
512
83
21
.080
.045
.092
61.6
66.1 64.3
67.4
61.6
.467
77
22
.112
.099
.077
62.6
67.7
65.1
68.5 62.3
.488
79
23
.104
.074
.079
64.6
69.6
65.8
70.9 64.1
-480
74
24
.085
.068
.105
63.1
63.6
58.7 66.0
58.3
-419
75
25
.115
.123
.109 56.8
58.6
56.9
59.6
56.2
.375
79
26
.079
.cúz
115
55.5
54.6
53.4
56.7
52.3
.359
27 .138
.155
,190 52.6
58.6
57.1
62.8
51.6
.283
28
.226
.224
.255 53.6
62.6
60.8
66.0
52.9
.290
29
.176
.253
.228 58.9
66.1
61.6
+
66.4 58.2 .321
- ∞ IAVNO NO NO ME
7
26
17
ONDO OD
CN00
13
10.0
14
9.5
19 10
9
8.8
9
5.5
Fog.
22
9.9
23
26 6 19
4.6
22 เอ 23 8
4.5
***
13
7 21
8.3
D
20 7 3+
19
10.0
0.020
20 6 19
5
10,0
0,010
18 4 IO
10.0
1.495
10
2 15
2
2.5
...
3 2
9
22
3.7
5
17
5.8
Ilaze.
30
.211 .178
.122
59.4
61.6
60.7
63.4
31
.116
.104
,080
60.7
66.6
64.3
67-9
57.9 .341 59.6 .388
6+
7
9
3.6
10
10
4.2
Ilaze.
Sums,
Means 30.051 30.041 30.042 59.6
63.7
61.4
65.9
58.4
0.43+ 78
73 14.5 8.8 16.1 7.9 11.9
7.8
2.670
In reducing the barometer readings to gravity at latitude 45o, a constant correction of −0·055 inch has been applied.
( Zb 3 )
813