Station: Royal Observatory, Hongkong.
Height above M.S.L. 109 ft.
1919.
Month of July.
Barometer at M.S.L. and
Day.
reduced to gravity at
latitude 45o.
Air Temperature.
Tension
of
Vapour.
Relative
Humidity.
Wind.
Direction and Force.
Amount of
Cloud.
Long, 7* 36TM: 41o 8 E.
Lut. 22° 18′ 13.2′′ N.
Rainfall.
Remarks.
1919.
7 4.
9 p.
7 al
9 p.
Max.
Min.
Daily Daily Means. Means,
Daily
7 8.
I p.
9 p.
Mcaus
In.
%
Dir. Vel. Dir. | Vel. Dir. Vel. |prints |u.p.l, points. m.p.hpoints. m.p.h.
(0-10).
Ins.
July.
Ins
ID1.
Ing.
.
n
*
•
=
22
2 21 7 23 +
1
29.685
29.660
29.632
82.5
88.5
82.3
88.9
80.4
0.919
79
3-+
2
.632
590
.582
80.7
87.3
83.8
Rg.o
79-4
.942
81
27
12 24
23
9
5-3
-
3
.566
-534
-552-
82.7
89.1
79.3
90,8
78.7
-976
86
z6
+3 10 26
6.7
4
-533
-562 |
604
78.7
75.1
.8
817
73.5
.Sz6
88
20
4
37
22
10.0
3.790
1.010
Dew, Lightning, Thunderstorms. Thunderstorms,
.637
.696
716
76.6
74-4
74.
४०. 2
73.6
.815
26
8
8
92
23
10.0
4 795
-746
.760
1782
74.9
79-7
77
81.2
74.2
.854
7
8
[ 2
93
9.7 1
1.720
ח
21
४
16
6
8.8
-797
.816
.819
77.4
80.9
81.2
85.0
.8-8
0.095
Lunar balo.
LA
21
[ 1
+
.837
.872
.861
$1.2
82.4
80.8
83.8
80.2
8.5
0.330
Solar halo.
9
.857
838
783
79.5
85.6
86.7
78.4
.85+
80
4 22
13
10
10
-753
.720
.707
81.6
86.4
82.5
86.7
80.5
.903
TI
721
1716
716
Sz.2
86.3
82.8
86.7
.924
12
774
.790
.797
82.8
84.7
82.5
87.5
82.3
.921
79
.806
.833
.816
82.6
85.3
82.4
87.
81.1
.889
.823
824
-793
X2.0
87.6
81.0
87.7
79.6
.859
15
1777
.769
70.7
86.1
$0.6
87.3
78.8
.832
16
1775
779
79.6
X-,0
88.
77-5
.849
17
+797
Bo.t
86.8
$1.2
87.5
78.4
S+
18
,801
.810
.796
81.0
84.6
80.8
86.8
78.1
.875
19
.805
.Bog
789
79.0
86.6
81.7
87.8
77.2
.875
Zo
.830
.816
$17
79.3
84.8
81.1
86,6
76.4
.845
21
.8z8
.828
$0.8
86.8
81.6
87.2
78.6
.863
22
HOR
-793
#85
$1.3
88.0
82.0
88.7
79.6
.868
23
765
-743
-737
81.6
8.8
82.5
88.4
80.6
.goy
24
.733
43
-73+
81.6
87.8
82.6
88.4
80.1
.934
.30
.729
73
82.5
88.4
83.1
89.0
81.3
.889
95 RAKKAN@ANKEK
80
20 10 20
13 19
10
8.3
20
14
20 12
17
9.2
18
18
20
9.5
Unusual visibility.
Lunar hale, Thunderstorms.
19
[ I
9
8.1
20
20 TO
2
24
9
+
78
25
3
20
18
N
26
Xo
26
78
9
8
6
9
10
9
19
9
16
30 180 000
6
15
10 10
10
5.5
6.6
5.7
0 0 +
2.9
***
3.9
+.0
6.2
---
5.2
0.060
26
6.5
0.010
0.020
Uonsual visibility, Dew. Solar halo.
Dew.
Solar halo, Unusual visibility, Lunar coronit,
Dew.
Lightning.
Lightning.
Solur halo, Lightning.
Lightning.
26
.639
.632
.606
81.3 78.6
77.0
85.6
.860
83
28
9.2
1.485
Rainbow.
27
.5.30
-555
.530
82.1
79.6
81.5
84.0
75-4
.870
83
39
*
38
10.0
1-435
28
.520
.552
-558
80.3
76.1
$1.0
82.5
75.
.688
$R
33
36 9
35
9.9
2.800
29
.561
.587 .565
79.5
77.8
$0.1
81.3
74.8
88
9
16 10
7.8
1.880
Lightning.
30
519
.568
+491
80.0
83.9
8+.7 81.3
79.3
Súg
80
18
7
6.2
10
31
407
438
.440
80.6
87.6
81.8
88.1
79.3
.839
7+
13
9
505
Sum.
Means, 29.710
29.713
29.706
80.5
84.2
81.0
86.4
78.3
0.880
81
9.0
9.6 14.2 15.3 11.2 10.5
10.5
6.9
19.430
Dew.
( Zb 7 )
ко
339