( Zb 8 )
1
Day.
Station Royal Observatory, Hongkong.
Height above M.S.L. 199 ft.
Barometer at M.S.L. and
reduced to gravity at
latitude 45.
Air Temperature.
1915.
Month of May.
Tension
of
Vapour.
Relative
Humidity.
Long. 7 36 41o 8 E.
Lat. 22° 18′ 13′2′′ N.
Wind.
Direction and Force.
Amount of
Cloud.
1915.
May
Daily
I p.
9 p.
7.
IP.
9 p.
Max.
Min.
Daily Menns. Meaus,
Daily
7 0.
I p.
9 p.
Means.
Rainfall.
I
MA
in
ins
A
→
C
Ų
:
1
29.83+
29.803
29.792
75-7
82.0
74.1
84.9
72.4
บ. 0.801
Dir. Vel. Dir. | Vel. Dir. Vel. (0-10). points..p.h. points, m.p.h. points.in.p.li.
ins.
Remarks.
storms.]
2
792
822
.892
72.7
75.0
66.8
75-3
66.7
.634
.881
.886
.895
67.0
72.6
69.8
73-4
66.6
-534
.883
.853
.887
69.6
76.8
70.8
76.0
67.8
.401
.907
.937
-931
70.3
74.8
71.8 75.8
69.+
-574
-954
.975
-938
70.1
74.0
72.5
75.4 69.0
.605
.932
.914
-916
76.11 72.8
70.7
77-9
70.2
.675
.885
.868
.854
71.6
72.7
72.0
74-7
69.7
.701
30 SA ON SA
****
87
80
-795
.781
.767
73.8
Ro.6
77-5
81.9
71.6
.832
10
.749
-731
.695
76.8
82.4
79.8
83.3
75-3
.868
.722
748
.796
73.8
77.9
76.5
81.9
73.2
.774
12
.800 .783
.812
72.9
71.8
70.1
75.6
69.z
717
91
13
.724
715
.766
70.6
69.3
66.9
70.8
65.0
.657
O - NI.00 1-00 OVO
1750 00
9
28
18
NO ONO 10 N 00 00
3 16
9 7
7 12
9.2 10.0
1.445 0.265
Slight fog, Solar halo, Thunder- Lightning, Unusual Visibility.
14 7
8.5
Solar Corona,
10
19
9
3.2
17
2.0
8
24
8
16
7.0
Solar halo.
6 16
9.5
0.935
21
8 28 7 30
10.0 0.590
תו תחו
15
6
5
zz 19
19
24
14
19
93
6
| 1:
av: 6 z
18 2
9.8
1.050
9.7
0.055
9.8
0.040
Slight fog. Slight fog. Lightning.
7 28
10.0
14
.742
.771
.818
65.8
70.0
70.7
64.7
.600
86
.831
.836
.874
16
.837 .809
70.8 74.8
715
77.2
68.5
.629 78
.824
70.8
80.8
73.0
82.6
68.2
.659
77
17
.811
791
.750
74-4
75.8
75.0
76.9
73.2
.745
86
8
16
18
.729
+719
.752
74.8
84.3
81.8
86.1
74.5
.88z
88
0 in 010 00
9
9
I
13
21
8
8
22
16 15
1000740
10.0
2.455 2.560
10.0
0.610
3.8
0.5 9.4
-
9.3
0.430
19.
.750
-734
.737
80.9
84.9
81.8
87.3
79.0
.939
85
16
19
16
15 9 9.5
0.020
Unusual Visibility.
Dew.
Slight fog, Haze,
Slight fog, Solar halo, Lightning. Lightning.
20
.696 .683
.662
80.9
83.6
82.2
86.7
80.0
.928
84
17
.66z
.643
.636
81.7
84.9
I
82.0
22
.660 -643 .679
$6.4 80.3
.925
83
18
81.8
79.0
87.7
77.4
.918
84
20
ON INVOC
19 12 14 10 19 12 16 10
9.2
0.075
Lightning,
7.7
0.055
22
7 8 10
9.4
0.835
Lightning, Lunar Corona. Thunderstorms.
23
723
-757
.802
77.6
74.6
82.0
72.9
.827
89
29
8
23
8
22
10.0
0.035
Lightning, Slight fog, Rainbow.
24
.866
.869
.90z
73.6
73.9
77.6
70.8
.689
82
25
.882 | 882
.863
72.1
75-3
75.1
76.0
70.1
-714
86
26
.803 .769
.761
74.8
75-6
-5.8
78.8
++?
.806
91
I
27
-731
.766
-777
74.2
77-9
75.4
80.1
73.0
-795
90
7 13
28
.8oz
.800
.834
75.0
82.3
76.7
82.7
!
73-5
.741
79
29
.778
.761
-737
75+5
78.6
75.7
80.9
30
.675 .675
.652 76.5
80.9
1
74.9
.799
88
75.5'
83-7 74.6
.846 91
31
.660
.640
.653 77.8
83.6
79.5
86.8
76.7
.903
89
∞ taxa a
Namo ao o
12 7
18 9.2
0.035
Solar halo.
7 24
10
10
10.0 0.440
9
9 7 10.0
0.255
8 12
8115
9.4
0.030
26 3
+
6.9
Dew.
9 9 23
7
8.1
0.215
18
9.6 0.330
6
I
8.0
Thunder, Slight fog.
Slight fog, Lightning.
Sums.
Means 29.790
29.785 29-794
74.1
78.0
74.8
79.9
72.0
0.746 84
9.3 10.0 11,0 |15.0 |10,1 |11.3
8.3 12.760
1
In reducing the Barometer to gravity at lutitude 45a a constant corroction of −0·055 inch has been applied.
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