Station: Royal Observatory, Hongkong
Height above M.S.L.: 109 ft.
Year: 1918
Month: December
Longitude: 7° 36′ 41.8″ E
Latitude: 22° 18′ 13.2″ N
| Day | Barometer (7h) | Barometer (13h) | Barometer (21h) | Temp (7h) | Temp (13h) | Temp (21h) | Max Temp | Min Temp | Vapour Tension | Humidity (%) | Wind Dir (7h) | Wind Force (7h) | Wind Dir (13h) | Wind Force (13h) | Wind Dir (21h) | Wind Force (21h) | Cloud (0–10) | Rainfall (in) | Remarks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 30.115 | 30.068 | 30.091 | 69.6 | 70.8 | 67.1 | 72.8 | 66.7 | 0.568 | 81 | NE | 10 | E | 17 | NE | 3 | |||
| 2 | 30.120 | 30.107 | 30.122 | 66.6 | 68.6 | 65.3 | 69.6 | 64.7 | 0.512 | 77 | 7 | 19 | 7 | ||||||
| 3 | 30.163 | 30.103 | 30.120 | 65.5 | 68.7 | 66.9 | 69.6 | 65.4 | 0.517 | 78 | 7 | 19 | 10 | ||||||
| 4 | 30.123 | 30.096 | 30.100 | 64.8 | 69.7 | 65.4 | 71.2 | 63.4 | 0.490 | 75 | |||||||||
| 5 | 30.099 | 30.053 | 30.080 | 65.7 | 69.8 | 66.0 | 71.0 | 65.6 | 0.526 | 78 | |||||||||
| 6 | 30.075 | 30.057 | 30.087 | 68.5 | 70.6 | 69.2 | 72.0 | 66.8 | 0.595 | 0.005 | Lightning. Unusual visibility. | ||||||||
| 7 | 30.082 | 30.051 | 30.064 | 71.2 | 72.6 | 68.8 | 74.0 | 68.4 | 0.611 | 82 | 9 | 5 | 8 | ||||||
| 8 | 30.107 | 30.081 | 30.105 | 67.0 | 70.2 | 67.4 | 70.8 | 67.0 | 0.589 | 85 | 14 | 7 | 8 | ||||||
| 9 | 30.096 | 30.069 | 30.099 | 66.2 | 65.2 | 65.7 | 67.0 | 64.2 | 0.555 | 88 | 7 | 22 | 7 | ||||||
| 10 | 30.077 | 30.010 | 29.999 | 65.3 | 67.9 | 65.1 | 69.2 | 63.0 | 0.550 | 87 | 7 | 9 | 19 | 0.010 | Dew. | ||||
| 11 | 29.975 | 29.917 | 29.943 | 65.0 | 70.2 | 67.7 | 71.8 | 64.5 | 0.633 | 93 | 0.085 | Slight fog. | |||||||
| 12 | 29.984 | 29.985 | 30.030 | 69.0 | 71.8 | 64.8 | 73.6 | 63.7 | 0.626 | 92 | 25 | 8 | 23 | ||||||
| 13 | 30.010 | 30.021 | 30.048 | 64.8 | 64.6 | 66.1 | 66.6 | 63.1 | 0.541 | 31 | 26 | 12 | 0.005 | ||||||
| 14 | 30.063 | 30.028 | 30.073 | 65.8 | 68.4 | 64.8 | 69.4 | 63.6 | 0.574 | 90 | 9 | 8 | 6 | ||||||
| 15 | 30.095 | 30.065 | 30.050 | 64.0 | 66.8 | 65.5 | 67.7 | 63.9 | 0.528 | 17 | 7 | 22 | |||||||
| 16 | 30.021 | 30.013 | 30.031 | 64.6 | 68.0 | 65.5 | 68.8 | 64.0 | 0.551 | 86 | 7 | 8 | 19 | ||||||
| 17 | 30.027 | 30.003 | 30.011 | 68.1 | 73.3 | 68.6 | 74.4 | 66.4 | 0.578 | 80 | 10 | 9 | 19 | ||||||
| 18 | 30.022 | 30.025 | 30.045 | 68.5 | 69.6 | 68.5 | 71.0 | 67.2 | 0.639 | 91 | 10 | 6 | 10 | ||||||
| 19 | 30.066 | 30.059 | 30.076 | 67.9 | 74.2 | 70.3 | 75.1 | 67.4 | 0.640 | 86 | 7 | 9 | 10 | ||||||
| 20 | 30.075 | 30.049 | 30.067 | 71.3 | 77.2 | 69.1 | 78.6 | 66.3 | 0.633 | 7 | 9 | 10 | |||||||
| 21 | 30.074 |
Station: Royal Observatory, Hongkong.
Height above M.S.L. 109 ft.
1918.
Month of December.
Long. 7 36 41" 8 E.
Lat. 22° 18' 13.2" N.
822
Barometer at M.S.L, and
Day.
reduced to gravity at
latitude 45°.
Air Temperature.
Tension of Vapour.
Relative
Humidity.
Wind.
Direction and Force.
Amount of
Cloud.
Rainfall.
Remarks.
1918.
7
1 p.
9 P.
7 n.
IP.
9 P.
Max.
Mio.
Daily Daily Menus. Menus.
7 8,
1 p.
9 P.
Daily Means.
ia.
%
Dir. Vel. Dir. Vel. Dir. Vol. (0-10).
points m.ph points|m.p.li [points.|m.p.h.
Ins.
Dec.
Int
Іля
,
❤
I
30.115
30.068
30.091
69.6
70.8
67.1
72.8
66.7
0.568
81
10
17
3
Ne LALO NED ON
.120
.107
.122
66.6
68.6
65.3
69.6
64.7
.512
77
7
19
7
21
,163
.103
.120
65.5
68.7
66.9
69.6
65-4
-517
78
7
19
10
T3
.123
.096
.100
64.8
69.7 654
71.2
63.4
.490
75
.099
.053
.080
65-7
69.8
66.0
71.0
65.6
+526
78
.075
.057
.087
68.5
70.6
69.2
72.0
66.8
-595
10:00 M
3
7
8 Iz
7
12
10
19
0 720 7
8
13
en 00
5.8
Dow.
6.3
6.9
7.4
7
12
7.8
0.005
Lightning.
Unusual visibility.
7
10
8 18
10
10
10.0
.082
.051
.064
71.2
72.6
68.8
74.0
68.4
.611
82
9
5
8
16
.107
.081
.105
67.0
FO.2
67.4
70.8
67.0
.589
85
14
7
8 20
9
.096
.069
.099
66.2
65.2
65.7
67,0
64.2
-555
88
7
22
7
27
.077
.010
29.999
65.3
67.9
65.1
69.2
63.0
.550
87
7
9
19
oo ga bo do
8 22
9.1
20
9.0
8
19
9.9
8
15
6.0
0.010
Dew.
29.975
29.917
.943
65.0
70.2
67.7
71.8
64.5
.633
9+
3.6
Fog.
12
.984
.985
30.030
69.0
71.8
64.8
73.6
63.7
.626
92
25
8
23
10.0
0.085
Slight fog.
13
30.010
30.021
.048
64.8
64.6
66.1
66.6
63.1
7
.541
31
26
12
10.0
0.005
14
,063
.028
+073
65.8
68.4
64.8
69.4
63.6
-574
90
9
8
6
15
.095
.065
.050
64.0
66.8
65.5
67.7
63.9
.528
17
7
22
16
.021
.013
.031
64.6
68.0
65.5
68.8
64.0
-551
86
7
B
19
17
,027
.003
.011
68.1
73-3
68.6
74.4
66.4
-578
80
10
9
19
438 4
4
10.0
9.1
...
3-7
18
.022
.C25
.045
68.5
69.6
68.5
71.0
67.2
.639
91
10
6
IO
12
8
13
7.9
19
.066
.059
.076
67.9
74.2
70.3
75-1
67.4
.640
86
7
9
10
11
10
4
7.0
***
20
.075
.049
.067
71.3
77.2
69.1
78.6
66.3
.633
21
.074
.010
.001
66.2
67.5
68.6
69.4
65.8
-592
22
29.980
29.949
29.980
67-4
70.3
68.0
71.6
66.8
.618
#3
30.031
30.079
30.129
63.9
60.9
57-7
69.2
57.1
+478
24
119
.071
.070
59.0
62.4
62.9
63.5
57.6
-460
00 000 00 00
81
10
9
9
7
25
8.9
88
90
25
.076
.031
.036
62.6
65.5
63.4
67.1 61.4
.519
87
26
.051
.041
.079
64.4
67+4
64.0
67.8
62.1
.493
80
00:00 ON N DO OD
8
18
8
21
8
9.5
8.7
0.010
Lunar corona.
Unusual visibility, Dew. Lunar corona, Dew.
Unusual visibility.
Lunar corona.
8
23
9 17
8.7
0.005
8
5
2
3
9.4
0.020
6
19
7
23
7
22
10.0
Zip
17
10
6
6.5
8
19
10
10
5
3
7.9
17
.169
.122
.199
54.4
62.1
56.5
63.4
53-3
.291
59
28
.246
+245
.275
49.4
58.5
55.3
59.8
49.2
.231
54
29
.305
.277
-335
49.6
57.4
55.6
59.4
49.6
.219
51
نيا هيا فيا
32
12
31
14
I
13
8.7
32
8
1
8
[
ZO
6.6
Dew.
Unusual visibility.
Unusual visibility.
32
30
.300
.242
.226
49.8
58.6
36.2
59.4
49-5
.199
46
1
00 N
8
32
5
I
7
8.9
2
15
3
30
31
.156
.097
.003
58.3
60.7
61.2
61,8
56.7
.370
72
6
13
7
20
0,00
3
9.2
--
8
19
9.7
Sum.
Meaux 30.094
30.065 30.084
63.9 67.4
64-7
68.9 62.4
0.514
80
7.8 13.2 8.8 14.9
8.0 11.7
8.2
0.140
( Zb 12 )
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