Station: Royal Observatory, Hongkong.
Height above M.S.L. 109 ft.
Barometer at M.S.L. and
Duy.
roduced to gravity at
latitude 45o.
Air Temperature.
1919.
Month of September.
Tension of
Vapour.
Relative
Humidity.
Windl.
Direction and Force.
Amount of
1 Clond.
Long. 7* 36TM 41o 8 E.
Lat. 22° 18' 13-2′′ N.
Rainfall.
Remurks.
1919.
7 a.
I p.
9 P.
78.
I p.
9 p.
Max.
Min.
Daily Daily Means. Meaus.
Daily
I p.
9 p.
Means.
in.
Sept.
ITL
Ins
ins.
ค
凸
C
I
29.577
29.545
29.578
78.7
85.1
79.5
86.4
78.1
0.852
79
27 3
24
Dir. Vel. Dir. Vel. Dir. Vel. points.m.pl points..p.hpoints./m.p.li.
I I 30
(0-10).
Int.
5
6.3
0.030
Nuo 20 a
.609
.605
.669
78.5
84.8
81.9
85.8
77.2
.832
23
27
5.0
---
77
10 6
8.0
1.010
.709
-743
.779
78.9
84.2
80.3
86.6
77-1
.879
84
.786
-794
.819
78.4
82.I
87-3
78.3
.888
19
b 20
14
20
IQ
.809
.X06
.803
81.3
85.9
81.9
86.6
80.8
.879
19
-796
.804
-748
21.6
81.1
80.3
84.2
78.4
.884
26
-737
-716
.729
82.0
85.8
82.5
88.0
80.7
.895
20
бал
20
14
9.6 .7.5
26 2
0.770 0.035 6.9 0.405
22
9
19
6.0
0.020
8
744
-741
765
$2.0
86.2
81.9
87.8
80.9
.881
22
7
19 12
16
4.2
9
.799
-797
.804
81.2
85.2
81.6
87.5
79-7
.898
17 3
10 17
4.3
...
.811
-787
-779
£0.0
86.2
80.5
8:
78.6 .88-
22 6
81
.791
+793
.788
78.9
85.9
80.8
87.9
$7.6
.864
No
¦
12
.782
-793
791
79.9
79.2
78.6
83.6
78.1
.821
So
7
10
6
16
13
.770
.772
,807
8.4
81.8
77.2
82.0
75.3
738
76
+
9 9
14
,812
.806
.850
75.
83.4
-6.9
8+.+
75
6༣!
64
N N
13
12
15
.843
.842
.864
83-4
-8.6
84.2
74.4
518
16
.907
.895
-946
73.8
82.7
77.3
83.1
72.7
431
++
17
.963
.9.9
.988
75.0
8+
78.7
83.2
73.
517
18
30.009
.998
30.000
75-9
81.6
77.8
82.5
75.4
,631
66
19
29.999
.984
29.993
75.4
80.4
77.8
$1.9
75-
-593
61
6
20
.956
·947
-954
76.0
81.6
76.3
82.4
75
.609
63
7
100 00 00
3
52
9
15
+8 00¤ a
5.3
0.125
8
9.4
0.075
Lightning.
Unnsund visibility, Dew, Lightning. Unnsund visibility, Thunderstorms.
Lunar bale, Rxinbow, Lightning, Thunder. Sofur halo, Lunar balo, Lightning. Lunar balo, Thunderstorms. Unusual visibility. Unusual visibility.
Lightning.
Lamar halo, Dew.
Lamar corona, Lightning. Lighting.
0.160
0.5
Causual visibility,
8 22
8
26
00 00 00
1/00
0.4
3.9
17
2.8
20
3.8
Unusual visibility,
8
16
12
21
.946
·946
.988
81.1
77.8
82.+
74.
653
68
16
NA
7
1.8
12
1.8
22
.971
.970
.974
81.3
78.6
82.5
75-4
.657
67
21
18
5.0
23
951
-973
.976
75-7
80.4
78.1
$2.1
75.4
.672
18
13
4.1
24
.968
.972
.982
76.1
81.9
78.4
82.2
75.6
.683
3
9
19
20
2.7
IS
8
13
8.7
8.7
25
.984
.969
+972
77-
82.4
78.6
82.5
77.0
,727
20
8 +8
26
.965 .934
.927
78.4
78.7 $2.4
9
5-1
83.2
78,2
.789
27
.906
.888
.877
78.8
82.7
78.8
86.t
78.2
.809
28
.876
.845
.837
-8.6
83.6
79.2
86.3
77.
.785
29
.869
.860
.855
78.3
85.6
79.6
85.8
77.1
.816
30
.893
.874
.885
78.0
82.0
79.1
85.0
77.9
848
2:00 K500 N
9
12
13
5.2
20 10
1.[
1
19 7
4.6
+++
Unusual visibility. Lightning.
Dew, Lightning.
:
9 13 9
+-7
0.025
Dow, Lightning, Thunder.
Sum.
Means. 29.852
29.846 29.857
78.0
83.2
79-3
84-7
76.9
0.753
73
6.7
8.0
11.2 12.8 9.7 7.0|
4.7
2.655
( Zb 9 )
120
341
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