Station: Royal Observatory, Hongkong.
Height above M.S.L. 109 ft.
1915.
Month of March.
Barometer at M.S.L. and
Day.
reduced to gravity at
latitude 45°.
Air Temperature.
Tension
of
Vapour.
Relative
Humidity.
Wind.
Direction and Force.
Amount of
Clond.
懒。
Long. 7 36 41' 8 E.
Lat. 22° 18' 13.2" N.
Rainfall.
Remarks,
1915.
74。
I p.
9 P.
74.
I p.
9 p.
Max.
Min.
Daily Means. Means.
Daily
Daily
7 A.
I p.
9 P.
Means.
Mar.
Ins.
ju
Ins
▸
*
a
1
30.155
30.129
30.128
58.6
63.5
61.7
64.9
56.4
in. 0.351
Dir. Vel. Dir. Vel. Dir. Vel. (0-10). ¦points,jan.p.h, ¿points, m.p.h. points. m.p.b.
los.
65
12
10
15
I E 3
8.4
2
.141
.112
.097
62.8
69.5 66.4
70.5
61.3
-355
56
2
2
25 5
7 13
9.0
.073
.033
62.8
65.9
66.4
68.9
62.1
४
-452
22
22
9
7.9
H
4
.009
.011
.025
65.8
75-7
69.3
76.8
65.1
.640
87
7
7
16
11
+
7.1
5
.014
.003
29.985
69.1
-73-1
69.9
77.6
68.4
.697
9
8
12
29.959
29.933
.905
71.8
77.9 75.6
79.8
69.5
10
15
IN LA
10
LL
8.6
Haze,
Lunar halo, Slight fog. Slight fog.
18
#2
9.1
.876
.901
.920
75.8
73.8
74-4
77.7
72.6
.762
19
22
26
9.7
0.005
8
30.041
30.116
30.152
68.6
69.8
65.0
74.0
63.1
514
1
12
20
7
8.2
9
.115
.094
.116
61.0
62.1
10
.086
.080
.078
62.8
TI
.075
.051
29.992
64.8
67.7
67.9
70.3 65.4 71.6
63-5 64.8
60.0
.441
7
29
61.9
.520
24 3
24
12
69.5
62.4
558
9
7
8
18
00 N +
9
9.9
M
[
+4
0.025
Haze, Dew,
7 R
5.2
Dew.
12
29.898
29.836
.918
67.8
74.6
67.0 77-7
62.1
.588
9
20 17
2
16
9.3
13
.996
30.036
30.114
59.8
62.8
60.1
63.6
58.3
.383
2
2 *
14
30.127
.182
.189
60.8
59.6
60.8
61.9
38.6
.347
65
27
15
.162
.146
.129
56.8
56.0
57.8
59-9
54-7
.385
N 100
9.7
0.015
0.880 Slight fog, Thunderstorms.
Thunderstormns,
21
10.0
33
10.0
0.060
16
.076
.075
.093
56.7
56.6
57.8
58.0
54.9
.412
89
7
30
10.0
0.335
17
.139
.164
.205
54.6
60,0
57.8
62.0
34.2
.324
68
31
I
28
9.0
0.030
18
.227
.221
.189
55.1
61.8
59.9
63.7
54.3
-330
32
5
10
2
9.0
19
.182
13+
.154
55.9
67.0
62.8
69,1
55-9
.406
71
25
9
1.7
***
20
.158
118
.091
60.7
68.6
62.8
69.8
59.3
.386
65
.042
29.965 59.9
70.0
66.0
72.9
59.1
.470
75
22
29.935
29.931
.938
64.9
69.9
68,0
72.2
63.1
.595
88
23
.981
-979
30.017
68.5
70.8 65.5 72.1
62.5
.64+
93
1
24
30.085
30.071
.135
61.2
64.6
64-7
67.1
60.0
.519
88
8
24
06 30 10 0 0
1 2
9
9
8
2
3.3
8
6.5
...
20
10.0
10,0
25
.145
.109
62.4
69.7
26
.105
.118
135
63.1 67.5
64-4 71.0
60,0
.406
65
6
22 6
6 13
6.9
64.8 67.5
61.6
.349
57
9
9
27
.109
.102
.097
61.8
65.8
64.4 67.5
61.1
28
.017
.023
.012 63.0
64-9
29
.018
.072
.104
66.3
67.9
64-4
64.9 65.9 62.2
.444
74
TO
.547
92
21
72.4
63.0
-576
30
..195
.124
.080
61.8
63.8
64.8
67.5 60.8
31
29.995
29.984
29.965
64-3
67.3
66.4 68.4
63.3 .563
.436 74
89
9
6
7 30
ON 120 ano
9
20
8 7
6.1
7 30
6
22
8.7
***
8
15
14
27
9.7
---
89
9
Zo
17
13 1
9.8
0.075
9.8
10.0
0.360 0.695
0.120
0.040
Slight fog, Solar halo. Slight fog.
Slight fog, Haze, Lunar Corona, Slight fog.
Slight fog, Lightning.
Thunderstorms, Slight fog.
Solar halo, Lunar halo. Haze, Solar halo.
Haze, Slight fog.
Slight fog.
Slight fog.
Sume.
Means 30.066 30.062
30.0671 62.9
67.0
64.9
69.2
61.0
0.487
78
8.2 12.4 | 9.1 14.8 || 8.0|12.3|
8.0
:
2.640
a reducing the Barometer to gravity at latitude 45o a constant correction of −0·055 inch has been applied.
( Zb 4 )