Day.
Station: Royal Observatory, Hongkong.
Height above M.S.L. 109 ft.
Barometer at M.S.L. and
reduced to gravity at latitude 15".
Air Temperature.
1916.
Month of April.
Tension
of
Vapour,
Relative
Humidity.
Wind.
Direction and Force.
Amount, of
Cloud.
Long. 7 36 41 8 E.
Lut. 22° 18' 13·2* N.
Rainfall.
Remarks.
Daily
1916.
7日。
I p.
9 P.
70.
1 p.
9 P
Mux.
Min.
Daily Means. Meaus.
Daily
7 0.
p.
9 P. Means.
Apr.
Inv
tnx.
O
ง
。
in.
I
NË KAD 100 o
29.814 .882 30.006
29.801
29.868
68.3
65.6
60.6
71.7
60.6
0.520
.923
.943
59.6 59.3
60.6
60.9
57-9
.460
89
30.064
30.1 20
60.5
61.6
60.5
62.6
58.7 469
151
.154
.198
59.5
62.6
60.6
64.6
58.0
421
78
.201
.217
.212
57.8
61.7
60.3
63.6
56.8
.321
6.2
.172
.145
.136
59.2 65.1
62.6
66.2
58,0
.275
.126
.103
.106
62.6
68.7
66.1
69.0
60.9
-370
8
.052
.032
.011
66.7
71.5
68.4
73.4
64.5
-55
9
29.977
29.958
29.943
67-7
73.5
70.5
73.8
66.3
.672
10
-954
.967
68.6 30.028
72.7
67-4
76.5
65-4
.674
95
I!
30.039
30.063
.035
63.6 64.9
65.6
68.9
62.5
517
12
.045
.052
.008
65.
70.8
68.6
74.0
64-4
80 559
13
29.998
29.987
29.972
70.0
76.1
70.8
78.3
67.7
.639
14
-935
.936
.885
67.4
74.6
71.4
78.0
66.5
.679
15
.873
.865
.874
69.6
78.6
73.7
81.2
68.2
.697
.922
.938
.911
70.2
70.7
69.1
72.8
67-9
671
17
.897
.876
.840
69.7
75.1
71.1
79.0
67.9
.672
.844
.824
-776 71.1
75.6
71.6
77-4
69.4
88 .705
19
.774
.762
-769
70.6
72.6
73.6
78.6
.768 70.+
20
-743
-734
.730
72.6
75.6
74-7
81.3
72.4
.817
21
.750
.760
.770
74-1
77.6
75.0
79.6
72.9
814
22
.791
.818
.825
74.2
80.0
75-5
80,6
72.4
,801
23
.805
.805
.807
74.5 83.6
75-4
85.3
72.8
-774
2+
.782
.774
.785
74.7
82.6
76.2
84.8
72.2
-737
25
.807
.800
.819
74.0
80.4
76.6
81.7
73.0
741
26
.885
.903
.891
72.9
77.0
74.5
77-7
72.2
.737
*IGORNO ANO KAON KAD
Dir. Vel. Dir. Vel. 'Dir. Vel. (0-10). jolors 'm.p.li, (points, m.ph. pulnts./m.p.h.
ins.
1 32
89 30
o co
30
2
5
12
Nama
8 17
9.8
9
3
22
10.0
1.175 0.555
3
I
2
10.0 0.725
Slight fog, Thunderstorms. Thunderstorms.
Thum-lerstorms.
6 6
10.0 0.020
I
9
7 10 9
9.8
0.015
Haze.
50
7
I I
9
18
8
16
9.6
59
80 10
6-
16
10
TO 20
8.3
16
४
13
8.6
92
9
13
8
9
82
90
83
29
90
84
94
93
91
89
8z
**anaaaaganga
2
10
ON N
10
9.1
Thick fog.
2
6
10.0
1.735
Thick fog, Thunderstorms.
23
10
21
16
9.9
0.02;
9
14
9
12
[O 19
6.4
3
10
17
...
I
2.6
9 9
6 27
29 2
5-3
Lunar Corona.
Dew, Slight fog,
Thick fog, Solur halo,
2 26 10 31
4
3.5
Slight fog.
9
9
8 24
14
6.2
Slight fog, Lunar Corona.
9
4
9
11
7
4.2
Slight fog.
9
12
10 19 10
5.6
Slight fog.
9
8
12
9
7
9.5 0.040
Slight fog.
9
10
9
8
8.7
Slight fog.
9
10
10
5
6.0
Slight fog.
10
13
8
14 9
5
4.3
Slight fog.
9
+
16
3.5 0.005
Slight fog, Dew.
78
26
[ 1 22
3
5.0
...
Slight fog.
79
I
9
17 11
5
3.7
Iluze.
86
27
.881
.882
.867
72.9
72.8
73.6
74.0
72.3
70
87
28
.876
.830
,812
72.6
74.6
73-3
76.0
717
751
91
29
.808
.768 .780
73.7
82.5
78.7
82.8
72.8
.8zI
86
30
.8oz .817
.835
78.9
83.8
78.5
85.8 76.8
.853
82
00 00 00 σ r
8
18
JI
20
[2
8.1
8
28
8
22
9.9
8
18
18
9
I t
9.2
Slight fog.
9 9 17
10
6.6
Slight fog.
17 7
17
I 1
8 7.0
:
Sums.
Menus 29.919 29.920 29.918
68.8
73.1
70.2
75.3
67.1 0.640
83
9.6
10.4 10.4 13.4 | 9.8
9.7
7.4 4.295
In reducing the Barometer to gravity at latitude 45o a constant correction of −0·055 inch has been applied.
( Zb B)