Latitude: 22° 18′ 13′′.4 N
Longitude: 114° 10′ 41.86 E
Height above mean sea level (H) = 109 feet
Height of thermometer above ground (ht) = 4 feet
Height of rain-gauge above ground (hr) = 13 feet
| Months | Mean Pressure | Air Temperature | Tension of Vapour | Relative Humidity | Amount of Cloud | Bright Sunshine | Rainfall | No. of Days of Rain | Wind | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | 10 a. | 4 p. | 10 p. | Mean | 10 a. | 4 p. | 10 p. | Mean | Percent of Total possible | Total hours | Daily Max | ins. | |||||||
| Jan | 30.084 | 60.9 | 61.9 | 59.3 | 59.5 | 53.4 | 64.9 | 0.364 | 0.377 | 0.394 | 0.374 | 67 | 67 | 77 | 72 | 44.9 | 74 | 0.120 | 3 |
| Feb | 30.037 | 64.2 | 65.5 | 62.2 | 62.6 | 58.5 | 68.1 | 0.372 | 0.393 | 0.454 | 0.399 | 61 | 61 | 76 | 69 | 50 | 76 | 0.200 | 3 |
| Mar | 29.887 | 64.0 | 63.9 | 63.2 | 63.2 | 60.3 | 67.0 | 0.516 | 0.511 | 0.520 | 0.518 | 85 | 83 | 89 | 80.1 | 29.7 | 78 | ... | ... |
| April | 29.842 | 71.7 | 72.3 | 70.5 | 70.7 | 67.8 | 75.2 | 0.643 | 0.657 | 0.670 | 0.653 | 82 | 82 | 89 | 86 | 38 | 63-73 | 7.225 | 17 |
| May | 29.768 | 77.1 | 77.5 | 74.7 | 75.6 | 71.8 | 80.8 | 0.738 | 0.728 | 0.746 | 0.789 | 79 | 77 | 86 | 83 | 52 | 63 | 1.555 | 17 |
| June | 29.611 | 81.8 | 82.0 | 78.9 | 79.8 | 76.0 | 85.0 | 0.845 | 0.829 | 0.857 | 0.844 | 78 | 76 | 86 | 82 | 147.4 | 70 | 27.60 | 11 |
| July | 29.558 | 82.4 | 82.9 | 80.2 | 81.1 | 77.9 | 85.8 | 0.875 | 0.868 | 0.896 | 0.876 | 78 | 76 | 86 | 82 | 172.6 | 76 | 11.137 | 16 |
| Aug | 29.591 | 82.4 | 83.1 | 80.1 | 80.8 | 77.2 | 86.0 | 0.862 | 0.848 | 0.884 | 0.867 | 78 | 75 | 86 | 83 | 172.6 | 76 | ... | ... |
| Sept | 29.770 | 81.8 | 81.9 | 79.7 | 80.2 | 76.3 | 85.0 | 0.880 | 0.824 | 0.849 | 0.835 | 77 | 75 | 86 | 83 | 163 | 71 | 9.770 | 22 |
| Oct | 29.895 | 78.1 | 77.7 | 76.3 | 76.5 | 73.3 | 80.7 | 0.644 | 0.666 | 0.708 | 0.679 | 67 | 65 | 77 | 74 | 148.0 | 74.2 | 3.776 | 15 |
| Nov | 30.039 | 70.2 | 70.8 | 68.1 | 68.8 | 64.6 | 74.0 | 0.428 | 0.453 | 0.479 | 0.455 | 55 | 55 | 66 | 62 | 112.1 | 66.1 | 1.905 | 12 |
| Dec | 30.112 | 62.1 | 63.4 | 60.2 | 60.7 | 55.7 | 69.7 | 0.321 | 0.327 | 0.350 | 0.337 | 55 | 55 | 66 | 62 | 148.0 | 71.8 | 0.215 | 6 |
| Year | 29.8 | 73.1 | 73.6 | 71.1 | 71.5 | 67.9 | 76.5 | 0.620 | 0.623 | 0.619 | 0.631 | 72 | 71 | 77 | 74 | 1906.1 | 65 | 50.410 | 137 |
*Days of gales means days during some hour of which the wind velocity reached or exceeded 40 miles per hour.
| Months | Calm | N.E. | E. | S.E. | S. | S.W. | W. | N.W. | C |
|---|---|---|---|---|---|---|---|---|---|
| January | 24 | 37 | 2 | 2 | 2 | 3 | 9 | 3 | 24 |
| February | 26 | 0 | 1 | 2 | = | 1 | 2 | = | 27 |
| March | 22 | G | 94 | $7 | 29.7 | = | 78 | $3 | 22 |
| April | 16 | 17 | ... | ... | ... | ... | ... | ... | ... |
| May | 22 | 16 | 3 | 7 | 1 | 3 | 12 | 1 | 0 |
| June | 10 | 21 | 25 | 98 | 27 | 15 | 26 | 18 | I |
| July | 31 | 10 | 21 | 25 | 98 | 27 | 15 | 26 | 18 |
| August | 31 | 10 | 21 | 25 | 98 | 27 | 15 | 26 | 18 |
| September | 22 | 3 | 7 | 1 | 3 | 12 | 1 | 0 | 1 |
| October | 24 | X | I | 0 | → | U | 3 | 2 | T |
| November | 20 | 3 | 2 | AT | Վ | 3 | 22 | 3 | 2 |
| December | 26 | 0 | = | C | = | = | 2 | > | = |
| Year | 1 | 31 | 10 | 21 | 25 | 98 | 27 | 15 | 26 |
Page 420
Page 421
(Zo 2)
Station HONGKONG OBSERVATORY À = 7" 36" 41.86 E.
Months,
Menu Pressure.
10a. 4 p. 10 p.
Air Temperature,
Mean.
22° 18′ 13′′.4 N.
II
109 feet.
Tension of Vapour."
Relative Humidity.
Menus of
Absolute Min. & Max.
10 a.
10 p. Mean. 10 a. 4 p.
Min. Max. Miu. Max.
Jan...........| 30.084 60.9 61.9 59.3 59.5 | 53,4| 64,9| 449 7491 0,364, 0,377 0.394 0.374 | 67 67 77 72
Mean.
Feb.,... 30.037 64.2 65.5 62,2 62,6| 58.5 | 68.1 52.5 73.5 0.372 0.393! 0.454| 0,399| 61
61 76 69
■
Mar., 29.887
64.0 63.9 63.2 63.2 60.3 67.0 52.2 78.6 0,516| 0.511| 0.520 0.518 85
1
83.9
80.1
30.112 62.1 63.4 60.2 69.7 | 35.7
69.7
April | 29,842 71.7 72.3 70.5 70.7 67.8 75.2 59.7
May,... 29.768 77.1 77.5 74.7 75.6 71.8 80.8 | 53.1 88.7 0,738 0.728| 0,746 | 0.789| 79 77 86
June, 29.611 81.8 82.0 78.9 79.8 76.0 85.0 72.2 91.1 0.845 | 0.829 | 0.857 | 0.844 | 78
July,... 29.558 92.4 82.9 80.2 $1.1 77.9
Ang., 29.591 82.4 X3.1 80.1 80.8 77.2
Sept.. 29.770 81.8 819 79.7 80.2 76.3
Oct....
29,895 | 78.1 77.7 76.3 76.5 78.3
Nov., 30.039 | 70.2 70,8 68,1 68.8 64.6
Der
83.8 | 0.643 | 0.657 0.670 0.653 82
坚記
88 87
82
89 | 86
76 87 83
74.2 90.0|| 0,875 0.868 0,896 0.876 78
76
86 42
86.0 72.9 | 90,0| 0.862 0,848 | 0,884! 0.867 78
85.0 78.0 88.9 0,880 0.824 0.849 0.835 77
75
86 83
Y
76
84 ६।
67.4 85.1
74.0 52.2! 83,7| 0.428| 0.453| 0.479| 0.455 | 55
66,1| 11.8 75.7 0.321 0,327 | 0.350 0.337 55
0.644 0.666 | 0708' 0.679 67
215
69 77 74
آن
67
62
Ja
65
62
Year, 29.8
29.8 17 | 73.1
73.6 71.1
71.5 67.9 · 76.5 JLS 91.1
0,620| 0.623| 0.619| 0.631 72
71
H
XI
77
ht
= 4 feet.
Ir=
13 feet.
Amount of Cloud.
Bright Sunshine.
Weather.
Rainfall.
No of Days of
Wind.
No, of Days of
Months.
10.4 1.
Menn.
| Percent-
Total.
ngy of Total. possible.
Daily Max
S.E. X.E. E.
B. R.W.
W. IN.W.
hours.
ins. ins.
January.
February..
March,
94 95
36
50
49
187.2
CO
0.120: 0.110
+
ป
0
39
40
22
76
$3
| 61
2
* X * @ z
2 2 2 2
2 3 9 3
24
37
207.5
63
0,200) (150
3
ស
=
2
++
1
26
0
U
=
1
2
=
27
#
G
94
$7
29.7
=
78
$3
63-73
R2
22
I
April,
86
May.
80
June.
July,
79
78 70
76 1474
38
7.225 1.555 17
Angust,
73
172.6
17
27.60 11.137
16
September,
79
71
ᎠᎥ 16:3
+7
9.770 247S I
22
October.
G 52
8
November.......
December.
B6
53
187.3
ان
31
2017
6G
GL 0.215 QUOSO
02:0 0.115
J
4
I
3.776 1.085 15
}
G
[I
3
5
20
2
=
112.1
#2
1.905 (GTo 12
0
2
=
T
24
X
I
0
→
U
148.0
29 7.70 2.170
16
[
ม
18
3
2
AT
Վ
3
22 162.1 43 19.00 5,190 17
(1
10
三
#
}
None.
0
ti
4 3 12
1
0
1:
3 +
+
3
22 G
Q
=
=
수
58 191,2 58 2.005 0.995
0
↓
26
0
=
C
4
>
ย
=
=
C
=
=
2
>
=
O
со
A
Year.
71
50
65 1906 1
50.410 1035: 137
1
31
10 21 25 98
27 15
26
18
I
The latitude of the station.
= The longitude of the station.
H = Height above mean sea level. ht=Height of the thermis, above the ground in feet. hr=Height of the rain-gauge above the ground in feet. * Days of gales means days die ing some hour of which the wind velocity reached or exrcede 1 40 miles per hour. For further particulars comp, i “Observations made at the Hongkong Observatory in the year 1904.”
:
Calm.
Page 420Page 421
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