Station: Royal Observatory, Hongkong.
Height above M.S.L. 109 ft.
Barometer at M.S.L, and
Day. I
reduced to gravity at
Intitude 45°.
Air Temperature.
1915.
Month of February.
Tension of
Vapour.
Relative
Humidity.
Wind.
Direction and Force.
Amount of
Cloud.
Long. 7 36 41-8 E.
Lat. 22° 18′ 13′2′′ N.
Rainfall.
1915.
7th.
1 p.
9 P.
7.
1 P.
9 p.
Max.
Min.
Daily Daily Meaus. Means..
7 8.
I p.
9 P. Meune,
Daily
Feb.
ine.
TILA.
ins,
D
in.
Dir. Vel. Dir. Vel. Dir. Vel. (0-10.)
points, mp.h. points, in.p.li. points. m.p.h.
Ins.
1
29.95+
29.943
29.901
64.8
65.1
72.3
72.6
63-4
0.595
89
2 .864
.834
.780
70.0
74.1
73.3
74.6
68.5
.724
16 5 17
17 7 18 16 18 10.0 23 7
0,005
9.9
0.140
Slight fog. Fog.
3 756
-755
.789
73.8
75.8
70.3
76.4
70.3
-721
86
5
26
8 10.0
.845
.883
.965
68.8
72.8
62.8
73.0
61.3
+548
81
39 9.1
Slight fog.
30.044
30.073
30.096
60.0
57.8
54.8
61.5
53-4
.398
82
6 10.0 0.045
.091
.048
29.987
51.7
53-9
55.8
56.4
51.6
.362
86
30 10.0
29.903
29.870
.873
56.9
58.8
61.
1.3
62.5
56.4
+473
95
10.0
0.065
.866
.981
.892
64.9
71.8
73.0
74.2
62.2
.669
94
13
10.0
Fog.
.894
.90+
.891
72.6
75-7
73.6
77-5
69.5
.727
88
20
| 19
ጸ
T 2
9.2
10
.877
୨୫୫
.855
72.8
76.5
72.4
79.0
68.2
85 1703
17
16
2
8.0
.879
.997
.964 71.9
70.8
61.9
77.2
58.3
.609
89
28
28
9.2 0.050
Slight Tog. Slight fog. Slight
fog,
12
30.081
30.081
30.081
53.0
59.6
57.9
60.1
52-7
.367 79
2
23
10.0
0.050
13
.092
.081
.071
55.8
48.8
58.6
59.2
55-
-356
6
13
12
10.0
14
.086
56.8
57-8
60.2
60.2
.393
20
29
10.0
.164
.138
57.8
59,8
59.5
60.0
427
84
N
23
10.0
16
.132
.064
048
58.8
59.8
39.8
61.z
57-2
+37
86
23
10.0
17
.061
.047
.021
58.3
59.8
58.8
60.9
57-7
.429
86
3
21
18
!
.041
.095
.150
37.8
59.6
56.2
60.3
54.0
-390
No
2
28
N SI
28
T
9.8
0.140
£3
10.0
0.005
19
.176
158
159
49.8
60.8
35.8
61.1
49.8
.273
62
32
+
23
3
1.7
0.005
20
.129
131
150
53.8
63.6
59.0
21
.140
.133
.093
22
.074
.080
.029
60.8
58.8
66.0
64.3
62.5
65.0
63.7 53.8
.3++
69
2
9
10
58.z
.295
53
1+ 7
ON00
2
1.5
I 3
1.8
63.8
68.0
60.5
+407
69
20 10 16
+3
23
29.991
29.979
29.983
63.9 70.8
67.3
72.2
62.9
.581
88
3 26
6
9.1
Fog..
24
30.007 30.005
30.003 66.9 | 65.3
63.8
67.3
62.9
-553
90
14 8 29
23
9.3
Slight fog.
2
29.989
26
.939
27
28
.950 30.273
29.947 .909 30.030
29.925
62.8
68.
76.3
62.6
.598 91
9
22 3
7 8.7
.878
69.0
74.8
73.8
77-4
68.3
.715
88
Fog.
163
68.9
64.8
.212
.173
53-9
| 62.7
57.8
55.0 -+6;
74
2 18
Fog.
57.8
63.6
53.3
10 9 16
•
Means 30,011
30.006 30.006 62.0
65+ 63.3
67.8
39.4
0.492
公
8.5 10.7 8.7 13.9 9.1 1++, 8.3
Sums.
0.505
In malucing the Barometer to gravity at latitude 45 a constant correction of −0·055 inch has been applied.
Remarks.
( Zb 3 )
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