Day.
Station: Royal Observatory, Hongkong.
Height above M.S.L. 109 ft.
1919.
Month of October.
Barometer at M.S.L. and
reduced to gravity at
Intitude 45°,
Air Temperature.
Tension
of
Vapour.
Relative
Humidity.
Wind.
Direction and Force.
Amount of
Cloud.
Long. 7 36 418 E.
Lat. 22° 18' 13.2" N.
Rainfall.
Remarks.
1919.
7 8.
I p.
9 p.
7 8.
I p.
9 p.
Max.
Min.
Daily Means. Means.
Daily
7 a.
1 P.
9 p.
Daily
Means.
Oct.
Ing.
Ins.
las.
in.
%%
Π
0
~
Dir. Vel. Dir. Vel. Dir. Vel. (0-10.)
point.p.h. 'points,/in.p.li. [profits. m.p b.)
Ins.
'I
29.908
29.899
29.895
75-3
81.6
79.2
83.7
74.8
0.846
85
10 3 9 [8 11
7
5.8
2.465
2
.867
.827
.841
77.6
83.6
79.0
#4-3
76.7
.821
80
6
3
15 12 4
4.0
0,010
.866
.826
.843
79.2
84.2
79.1
84.7
78.2
.8zz
79
12
1 I ४
.878
.852
.899
77.9
82.6 78.9
83.2
76.9
.810
80
26
.893
.839
.870
72.9
80.7
76.1
82.2
72.6
584
63
32
10
.882
.875
.911
74.6
82.9
79.1
84.6
74.5
.697
71
I
7
II
100 in o
5.4
0,010
8'
13
9.0
3-5
Dew, Rainbow, Lightning. Unusual visibility.
10 ' 9
8.3
.962
.964
.9657
75.2
81.6
76.5
82.5
75.4
522
3
7
.961
.930
.940
73.7
62.3
77.8
82.5
73.
.605
10 13
9
-939
.924
-935
76.6
80.0
77.8
80.4
75.4
.636
13
9
18
TO
.914
.891
.903
75.2
79.8
78.2
80.9
75.1
.609
63
7
18
Is no 00
7 7 10 +
6.3
Lunar corona,
+,2
10.0
7
3.5
.880
.839
.847
77.0
82.4
80.0
83.5
76.2
.670
66
5
8
22
9.8
0.005
12
.863
.869 .923
73.9
73-5
71.8
77-7
70.6
.699 .85
2
8
19 10,0
0.680
13
-933
-938
.990
70,0
73.0
70.4
75.2
68.8
.633
83
+
6
10.0
0.080
14
.992 .976
30.006
67-7
68.4
66.8
69.3
66.6
.571
84
2
I
1 2
10.0
0.045
15
.960 .946
29.967
67.0
69.6 69.9
71.0
66.9
.609 87
6
2
7
10,0
0,070
16
-935
.881
.867
71.6
80.6
76.4
80.9
68.2
.644
74
7
6
IZ
6.6
17
.938
.877
.913 74.6
$1,0
75.6
81.9
72.9
,621
68
8
2.4
18
.880
.866
.905
75.1 76.0
74.2
77.8
74.4
.532
61
20
8 24
8.9
19
.893
.898
.930
74.6
76.6
74.3
76.7
74.0
.597
69
21
S
9.8
20
-948
-950
-993
74-7
75.1
74.1 75.6
73.7
.520
60
7 25
7
29
23 10.0
21
30.035
30.015
30.095
65.9
65.5
64.7 74-7
63.9
.511
78
5
13
14
13
10.0
1.225
22
.101
.068
.113
59.5
66.4
66.0
68.6
59.3
-415
70
1
10 7.2
c.105
23
.114
.099
.110
62.1
73.3 67.3
73.6 61.3
.387
58
10 6
0.7
Unusual visibility.
24
.113
.068
.056
64.7
73-4
66.8
73.8
64.5 .429
61
25
.059
.003
.017
68.7
74.0
68.6
74.8
66,0
.486 66
5 10
14
0.3
Unusual visibility, Dew,
12
10 12
26
.930
29.981 .018
69.3
74-9 70.6
75.9
67.1
.580
76
15
9
15
0010
Dew.
.04.1
30.006 .048 68.5
78.2 71.4
79.6 67.9 .631
77
20
I
0.4
Dew.
.021
.018
.024
72.2
76.6
72.8
78.0
70.3
.607
73
10 22
29
.045
.013
.042
71.7 76.7
72.9
77.2
71.5
.580 70
23
9
23
100
7
30
.037
29.994
.005
73.2
79.1
74-7
80.6
72.5 .679 77
8
N
23
31* .031
.984
.066 71.8
79.0
73.7
79.6
71.2
.679
So
2
ו
27 7 20 5-7
00:0
19
0.4
Ilaze.
16
0.9
3.0
Slight fog, Lightning,
Sum.
Means. 29.966
29.939
29.968
72.0
77.2
73.7
78.5
71.0
0.614
72
5.5 10.8 8.8 14.1 6.8 10.2
5.8
4.695
342
ко
(Zb 10 )