Station: Royal Observatory, Hongkong.
Height above M.S.L. 109 ft.
Barometer at M.S.L. and
Day.
reduced to gravity at
Intitude 45°.
Air Temperature.
1915.
Month of April.
Tension of
Vapour.
Relative
Humidity.
Wind.
Direction nud Force,
Amount of
Cloud.
Long. 7 36 4148 E.
Lat. 22° 18' 13.2" N.
Rainfall.
Remarks.
1
1913.
7 H.
P.
9 P.
7 1.
1 p.
9 p.
Max.
Min.
Daily Daily Means. Means.
7 *.
Daily
I p.
9 P
Moans.
I
April. Ins.
ben.
Ins.
Q
in.
Dir. Vel. Dir. Vel. Dir. | Vel. polats, mup.b. poluts/m.p li, poluts. m.p.l.
(0-10.)
ins.
29.913
29.867
29.798
68,1
76.3
74.6
77.9
66.8
0.700
go
8
T1 1410 15 21
9.6
0.150
Slight fog, Lightning.
-747
-743
-737
75-
79.6
76.8
81.9
7+.0
.791
18
20
20 25 19 15
9.7
Lightning.
3
.769
.776
.807
74-3
Ro. 1
78.0
817
73-4
Xız
I
19 Iz ZO
9-5
0.013
Slight fog, Solar Corona.
.777
.80%
.832
75.8
79.3
77.8
82.2
7+-9
.807
21
IZ
22
16
9.4
.851
.858
.879
7+.3
7+-9
71.0
77.8
70.0
779
1
9
8
9-3
Slight fog.
.854
.829
.935
73-4
Ro.X
77.4 80.9
69.8
88
12
6
20
27
9.8
0.230
30.085
30.102
30.113
64.9 72.0
67.3
73.2
62.9
.370
54
32
12
7
2.3
Slight fog, Thunderstorms, Lightning.
.08-
.046
29.997
64.4
66.8
66.1
68.6
62.8
.502
79
R
9 7
23
6.8
9
29.946
29.906
.894
67.6
74.2 76.6
-6.8
65.6
713
16 14
19
9.9
0.095
10
.891
876
843
76.1
Ro.1
*6.9
81.3
75-4
.798
84
16
91
אן
17
9.6
.819
X29
.K22
77.2
79.8
78.8
80.7
75-9
.799
17 15 18
19
9.2
12
.849
.890
043
76.6
81.3
76.4
83.2
835
86
16
+
12
8.9
13
.957
.980
.964
75.0
81.3
77.2
83.1
.815
85
15
#2
+
Slight Slight fog,
fog.
14
1954
.943
423
74.3
X2.1
-6.2
**
.798
10
3
6.9
Slight fog.
15
.902
.870
845
74.8
76.8
70.6
80.1
72.7
.796
7.5
16
.839
.823
.799
-6.1
76.8
77-7
72.9
785
86
I 1
8.1
0.175
Thunderstorms,
17
.73+
725
.728
78.0
78.9
78.3
X0.7
75.2
,806
16
り
9.3
1.045
Thunderstorms.
18
-748
.749
.805
78.8
81.0
79.8
83.3
76.7
.872
20
५ 16 9
9.7
0.015
19
.849
.863
.924
79.3
82.3
78.8
84.0
.890
20
.962
.987
30.010
76.0
77.8
74.3
80.5
73.4
814
16 8 16
9
16 | 13
5
9.6
0.015
13 9
23
13 8.z
0.005
Slight fog.
21
.999 .996
.024
73.8
74.6
79.1
2.9
.747
14
10 18
15 6.4
0.005
12
30.028
30.031
.059
72.6
74.8
72.0
75.6
70.6
.692 86
27 9.5
0.020
21
.088
.116
.144
69.1
70.3
68.5
70.8
66.8
.601
83
21
2** 10.0
0.015
24
25
26
27
i
.116
141
.122
67.2
70.5
69.3
70.8
66.0
.533
77
10,0
1
.087
.077
.051
67.8
69.9
72,2
66.4
.334
i+
10,0
.034
29.998
29.963
69.2
74-3
72.7
76.1
!
68.5
617
79
15
9.9
29.924
-916
.916
70.5
75- |
72.8
76.6 69.7
.688
86
+
9.9
0.010
28
-910
.946
.921
72.6
73.0
78.0
71.0
.767 91
9 +
9.4
4
29
.931
.922
.876
73.9
78.8
+++
817
73.0
.761
86
8
9
12
7.8
30
.898
.881
.844
74.6
79-3
75.6 | 81.3
72.5
.785
87
[
४
11 6
4.7
Slight fog, Solar lalo, Lunar Corona, Slight fog.
Slight fog.
Means 19.918 29.916 29.914
73.0
77.9
74.6
78.7
71-3 0.733
8+
4 11.0 13.216.1 12.7 13.9 8.6
Sums. 1.795
f
In reneing the Barometer to gravity at latitude 45`a constant correction of −0·055 inch has been applied.
( Zb 5 )
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