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,
1918.
Month of April.
Tension
of
Vapour.
Relative
Humidity.
Wind.
Direction and Force.
Long. 7 36 41o 8 E.
Lat. 22° 18' 13.2" N.
Amount of
Cloud.
Rainfall.
Romurka.
1918.
71.
I P.
9 P.
7 4.
I p.
9 P.
Max.
Min.
Daily Daily Means. Means.
7 น.
1 p.
9 P.
Daily Menne.
in.
%%
Dir. Vel. Dir. | Vel. Dir, Vel. (0-10).
points in.p.b points. m.p.h. points. m.p.li.
ins.
Apr.
10%
ins.
。
O
▸
1
30.078
30.037
30.039
62.9
67-3
64.6
68.5
62.3
I
0.514
83
8
13
10 22 8
16
3.1
2
.043
.030
.002
63-7
68.3
65.6
69.0
63++
.+85
7
77
19
IO
20
7
20
2.2
3
29.985
29.974
29.940
64-7
69.6
67-4
69.9
64.1
.485
73
.926
.932
.898
64.9
68.1
67.0
68.7
64.7
.593
90
NN-
7 19
13
5.9
0.040
9
18
16
9.9
0.070
.906
.887
.839
66.9
73.1
69.+
73-4
66.2
.664
93
9
15
9
12
9.0
+
0.010
.826
.788
-775
70.3
+
++!
79.2
68.6
.736
89
10
17
8.5
-746
.739
73.6 -749
75.6
68.4
*6.0
68,0
.730
92
17
01
19
9.7
0.925
Slight fog. Thunder.
-746
.766
69.9
76.6
73.2
77-0
68.0
10
.734
92
9
9.9
0.020
16
9
.754
-759
74-4
77.2
78.6
11
18
10.0
0.085
73.2
-794
५०
TO
.8zo
85
.909
70.3
68.2
65.0
73.8
62.3
627
26
yo
9
28
2 10
10.0
0.200
Slight fog, Thunderstorms.
T
.921
-956
.935
62.7
61.5
61.5
63.1
60.2
+5+
88
6
6
10 10.0
0.120
12
.956
.932
-951
39.3
63.6
60.8
64.8
58.6
-+73
86
2
26
2
+
10.0
0.395
13
-941
.932
-958
59.6
62.1
62.2
63-7
58.5
.483
89
2
3 10.0
0.230
Thunderstormus,
14
.967
-954
.987
62.7
71.2
65.8
72.0
62.2
.++9
70
15
30,007
.982
30,011
64.3
*69.4
66.0
71.2
63.8
.440
IN 17:30
2
24
1
8.+
10
5.4
16
1,025
-979
29.981
63.6
70.8
65.7
73.3
62.9
.404
13
1.3
1.2
17
29.967
.959
.965
63.9
72.2
68.8
73-7
62.9
.543
Slight fog.
18
.978
.975
.978
67.2
74.8
69.8
76.0
66.6
632
19
30.005
.998
.977
*0.0
75+7.
70.8
77.0
69.5
.675
20
29.989
.966
.962
714
77.1
72.2
77-7
70.6
9
10
.747
21
-953
.950
.904
71.0
76.8
72.1
77-5
70.7
.724
89
22
.895
.871
.840
72.5
81.3
73-7 81.7
71.0
,691
1
79
23
.882
.895
.912
72.8
81.1
73.3
83.0
71.7
.714
30
2
25
24
30.011
30.001
30.024
70.7
77.1
71.7
78.7
70.7
.672
83
12
3
18
25
,012
29.994
29.920
71.7
76.0
72.2
77.6
71.6
.724
88
7
15
9
26
29.890
.868
.834
71.5
78.4
74.6
82.0
70.5
.729 84
3
7
27
.813
.786
-793
74.1
78.8
74.2
80.6
72.2
.770
88
19
28
.768
.766
.774
80.6 76.3
78.2 84.0
74.2
,807
15
17
[ 2
16
29
.789
+799
.845
78.5
81.8
71.6
84.0 71.5
.815
84
17
20
21
30
.856
.904
.882
73.
70.4
74.5
74.1
69.7
.738
95
9
26
+ 29
Dax ox inax :auna
9
!
3.3
Slight fog.
9
12
5.7
Dew, Solar balo.
8
t
4.4
Solar halo, Slight fog, Dew.
9
3.7
Slight fog.
4.2
Lunar halo, Slight fog.
3-4
Slight fog.
6.0
9
Lunar Corona.
8.6
Solar Corana, Lanar Coron,
Slight fog,
9 19
6.2
10
9.0
13
7
9.7
0.8.40
Thunderstorms.
2
9.6
1445
Lunar Corona, Slight fog,
Thunderstorms.
Sum.
Means 29.915
29.907 29.904
68.7
73-4
69.6
75.0
67.0
0.637
84
9.5 10.3 11.7 12.7|9,6 | 9.2
6.7
+.440
( Zb 4 )
314
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