Station: Royal Observatory, Hongkong,
Height above M.S.L. 109 ft.
Barometer at M.S.L. and
Day.
reduced to gravity at
latitude 45°.
Air Temperature.
1917.
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.
Remarks.
1917.
7 0.
tp.
9 p.
7 #.
I p.
9 P.
Max.
Min.
Daily
Daily Means. Menos.
7 14.
1 p.
Daily
9 p.
Means.
Feb.
Ins
ins
ל
A
in.
1
30.146
30.065
30.076
54.2
63.4
57.1
64.1
54.0
0.292
2.
.063
.100
.112
58.3
39.1
59.5
61.3
56.8
.294
3
.170
.190
.225
55.0
62.6
55.4
63.0
54.9
46 .224
-237
.222
.239
53.7
57.6
56.1
59.1
53.0
.301
.234
,21t
.178
53-7
58.3
56.0
58.9
53-7
.269
++
.130
.122
56.2
60.3
57.0
61.6
55-5
.346
7
.057
.015
29.996
59.0
64.6 60.1
68.6
$8.0
8
.087
-473
30.187
9
.229
.166
.128
55-5 55.6
50.7
61.6
49.0
.327
46.5
56.3
52.8
57.8
45.7
.234
.163
.129
,091
54.7
60.6
58.9 61.3
59.5
.319
,092
.104
.153
59.4
61.5
54.1
12
.247
.254
63.4 53.6
-349
.271
50.7
58.6
56.8
61.3
50.4
13
,287
.330
.267
.269
53.6
59.8
57.6
60.6
52.5
.300
14
.225
.196
.190
53.1 60.4
59.9
61,1
53.1
.329
15
.140
.074
,079
57.6
64.6
61.6
65.6
57.0
.325
16
.047
29.987
29-975
59.9
71.6
61.5
72.8
59.1
17
29.981
.166
77
.920
.901
57.3
68.2 58.3
70.3
56.3
18
891
.838
·476
.855
58.3 71.6 64.4
73-7
55.6
469
19
.951
.986
30.102
58.0
59.6
54.6
63.8 32.5
.291
20
30.172
30.156
.194
21
.166
547 58.8
57.8
60.6
49.6
.219
.107
.109
56.7 61.1
61.6
62.1
56.4
22
.057
.000
.308
61
.072
59.8
61.1
61.7
64.1
59.6
.405
74
23
.042
.010
29.977
59.9 63.3
24
29.970
29.940
.945
61.9 66.5
62.7 64.4
59.6
.463 83
63.4
67.1
61.5
25
.959
-935
.942
60.8
513 87
*696RX KONKbog kaz 235 236
%
Dir. Vel. Dir. | Vel. Dir. Vel. points m.ph |polists.p.
points. m.p.l.
(9-10).
ins.
61
6 15
16
8
1.5
Lunar Corona,
59
7
22
9
12
10
8
9-7
32
ལ་
I
1 [
1
7.2
3
10
19
3
21
6.2
59
20
7
31
7
18
1.0
8 23
18 10
9.1
0.040
86 II
3 9
10 9
75 32
бо
31
68 10
72
४
75
65
69
60
४
9
N- 020 N ANTS50 O
7
23
10
10
ONO CO
9.3 0.045
6
2
10.0 0.060
Slight fog, Hazı Slight fog.
30 3
2.3
Lunar Corona.
17
7.5
16
IO
9
9.2
0.035
2
5 10 6
9
5.5
0.100
8
11
19
7
1 I
0.4
Dew.
22 16
9
17
8
15
6.5
9
22
10 13
5-7
22
11 16
+
3.8
***
90
30 6
1
0.1
NO
6
6 13 11
9
3
2.7
59 3
9
2
10
2
8.7
48.
T
15
10 19
7.3
0.070
Haze.
Thick fog. Thick fug.
6 JO
8
20
8 12
9.3
*
8 29
9 11
10
7
10.0
8 14
9 16
8
9-5
9 16
9 21
9 18
5.6
64.9
63.1
66.3
60.8
26
.503
7 20
7 24
9
19
9.3
0.010
.912
.839
.867
63.3
68.7
64.6
70.2
62.6
27
,861
- .532
16 8
17
12
.833
.849
63.0 72.2 65.8
6.7
74.0
62.4
28
.908
.955
30.006 60.4 60.9
56.8 64.6
54.8
-579 89
458
I 8
18
6.9
Slight fog. Thick fog.
90
6 23
14
୫
10.0
0.045
4
+44
+
+
Meaux 30.087 30.067
30.076
56.9 62.6
39.0
64.4
55.3
0.371
7.5 13.09.3 14.9 | 8.5 11.
5/11.0
In reducing the hammeter readings to gravity at latitude 43o, a constant correction of —-0-055 ingh has been applied.
Sums.
6.4 0.405
( Zb 2 )
312
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