Station: Royal Observatory. Hongkong.
Height above M.S.L. 109 ft.
1915.
Month of July.
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.
Long, 7 36 41* 8 E.
Lat. 22° 18' 13-2′′ N.
Rainfall.
Remarks.
1915. 7.
1 p.
9 P.
7 a.
1 1
9 p.
Max. Min.
Daily Daily Means. Means.
Daily
7 a.
1 P.
|
9 p. Menus.
Dir. Vel. Dir. | Vel. Dir. |Vel. (9-10).
July
In
IMS.
Ins.
ᄆ
0
ຕ
С
in.
X
points, m.p.li. [points.¡m.p.h. points.¡m.p.h.
Ins.
1
29.635
29.597
29.551
84.8 82.8
85.0
89.6
81.9
2
.504
.490
-490
8z.8 83.8
84.7
85.6
79.6
0.975 .976
80
.481
-471
.522
79.5
84-4
76.2
85-4
73.6 .940 89
85
20❘ II 30 7 19 16 9.0 19 16 20 20 20 16
0.045
10.0
1. I to
T
.546
-541
.619
79.6
84-3
77.8
84-3
75-5
.896 92
21 17 18 22 20
29
17
10.0
4.125
[8 26 27
Thunder, Lightning. Thunderstorms.
Thunderstorms.
Thunderstorms.
3
9.4
2.435
!
.667 .674
.666
78.3
83.8
83.6
86.5
77.0
.944
87
18 2
16
10 | 19
9.2
0.055
Slight fog, Thunderstorms.
.656 .676
.696
83.6
83.8
81.8
87-7
78.6
.968
86
19 22 21
18
I 20
9
9.5
1.270
.678
713
-739
83.0
84-1
83.9
87.6
79-9
.969
83
17 16 17
18
16
20
9.9
0.470
.740
-754 .784
83.5
84.5
83.4
84.8
79.6
-938
82
.789
.830
.854
83.0
85.8
82.6
87.5
80.0
.931
81
10
.869
.870
.860
82.5
85.6
82.4
87.7
81.7
.921
16 79
.845
.847
.834
82.8
86.0
81.8
88.2
80.6
.896
6
79
12
.825
.818
.806
80.9
87.3
82.0
89.0
80.1
.905
78
13
.809 .803
.805
82,0
87.7
82.4
89.7
78.8
.919
79
24
14
.799
.827
.838
81.3
86.9
81.2
88.7
79.2
.916 81
15 .849 .856
.884
82.3
85.8
80.8
87.1
77-7
.892 82
16
.875
.920
.890
81.8
79.9
80.6
84.1
76-3
.868
82
7
19
17
.90t
.878
.887
77.6
82.5
80.6
84.2
74.8
.825
80
9
18
.868
.857
.823
76.7
84.4
79.9
85.5
75.0
.835
79
19
.824
.787
.761
78.9
87.7
ba.
88.2
77.4
.879
81
20
.772
-749
.696
78.4
87.6
82.3
89.2
77.1
.844
75
21
-751
-745
.755
80.4
87.4
83.5
89.8
79.0
.849 73
22
-749
'747
.730
82.2
89.3
84.2
90.5
80.1
.914
76
23
-752
-739
.680
83.9
88.8
84.8
91.2
82.0
-937·
77
21
24 .650
.616 .581
84-3
88.8
84.6
91.2
82.4
.95+
78
.588
.568
.593
83.8
88.7
84.8
91.3
83.1
.967
79
17
26
.604
.617
-595
82.9 87.8
83.8
91.0
82.7
.926 77
16
27
.582
·5++
.505
81.9
90.3 83.8
90.8
81.2
.942
77
28
.503
-474
.486
83.0
90.8 85.8
93.4
81.0
.972
77
27
29
.508
.498 -545
82.5 88.5
84.5
90.0
82.0 1.007
#1
30
-551
.579
.560
79.6
84.0
81.8
85.5
77.6 0.950 87 II 3 10 5
2010-400 0 0 - 0 NDIMO O NOM
16 19 16 23
17 16
9.2
0.020
15 19 16 22
16
TI
7.9
...
*979
18 14 17
7 6.7 0.005
Thunderstorms.
Thunderstorms.
Lightning.
Solar balo. Lightning.
10 17
3
+7 0.025
Dew.
24 9
19
2 3.4
...
E 16 9
17
2
4.2
0.015
3
8
ON 50 ON NO
9 10 10
4.2
19 9
6.6
0.075
35 7 14
7.8
1.700
29 9 16
7.2
2.330
Lightning,
10
2
6.6
0.065
32
I
4.1
1-3
Lightsing.
Slight fog, Lightning.
Dew, Thunderstorms.
Thunderstorms,
Lightning, Solar halo, Lunar balo.
Slight fog, Solar halo, Lightning.
Slight fog.
18
3
1.9 |
Slight fog.
24 10 20
3
2.9
Slight fog.
19 18
22
5.4
19
6.7
8.0
0.040
7-4
NIN
3.2 0.030
Dew.
4.3
13
7.0
8.1
1.395
31
-538
.550
-534
82.4
85.8
82.8
86.6
79.8 .883
77
6 27 6
30
7.8
0.200
Solar balo, Lunar corona.
Lunar corona, Lunar balo.
Thunderstorms, Rainbow, Lunar
Lightning, Solar halo.
Dew, Lightning.
L
[corona.
Lightning, Dew, Slight fog, Solar halo, Lapar Lunar balo, Thunderstorme. [corona Lightning,Lunar corona,Lunar halo.
Sums.
Means 29.701
29.698 29.696
81.6
86.1
82.5
88.1
79.3 0.921
81
17.9 17.9 8.0 17.0 14.4|17.0|| 8.3
6.6
15.410
In reducing the Barometer to gravity at latitude 45° a constaut correction of −0·055 inch has been applied,
( Zb 8 )
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