λ = 114° 10′ 13″.4 E
φ = 22° 18′ 13″.4 N
H = 109 feet
| Months | Mean Pressure | Absolute Min. & Max. | Mean | 10 a. | 4 p. | 10 p. | Mean | 10 a. | 4 p. | 10 p. | Mean | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. | 29.937 | 46.8 | 69.0 | 65.5 | 65.9 | 63.8 | 64.3 | 60.7 | 0.480 | 0.483 | 0.509 | 0.490 | 73 |
| Feb. | 30.018 | 42.8 | 73.5 | 56.1 | 56.5 | 55.5 | 53.3 | 51.6 | 0.381 | 0.378 | 0.383 | 0.377 | 83 |
| Mar. | 29.941 | 47.2 | 77.0 | 59.4 | 59.6 | 59.0 | 58.9 | 56.3 | 0.431 | 0.434 | 0.459 | 0.449 | 87 |
| April | 29.857 | ... | ... | 69.2 | 69.1 | 67.2 | 67.3 | 63.7 | 0.592 | 0.586 | 0.608 | 0.591 | 81 |
| May | 29.804 | ... | ... | 79.8 | 80.1 | 77.0 | 78.1 | 74.3 | 0.786 | 0.773 | 0.803 | 0.789 | 77 |
| June | 29.621 | 69.8 | 88.6 | 82.6 | 82.3 | 80.4 | 81.1 | 77.4 | 0.869 | 0.873 | 0.890 | 0.875 | 78 |
| July | 29.612 | 73.8 | 91.3 | 83.9 | 84.9 | 81.1 | 82.3 | 78.1 | 0.879 | 0.871 | 0.891 | 0.881 | 75 |
| Aug. | 29.655 | 71.3 | 89.6 | 83.1 | 83.0 | 80.1 | 81.2 | 77.3 | 0.892 | 0.875 | 0.897 | 0.890 | 79 |
| Sept. | 29.770 | 68.4 | 90.5 | 81.8 | 82.3 | 79.1 | 80.1 | 76.5 | 0.828 | 0.826 | 0.847 | 0.833 | 76 |
| Oct. | 29.890 | 59.2 | 85.7 | 77.6 | 77.7 | 73.3 | 75.9 | 72.0 | 0.614 | 0.643 | 0.672 | 0.648 | 63 |
| Nov. | 30.052 | 51.8 | 84.2 | 71.0 | 71.1 | 68.5 | 69.2 | 66.0 | 0.433 | 0.465 | 0.500 | 0.468 | 57 |
| Dec. | 30.004 | 53.4 | 80.1 | 66.5 | 66.6 | 64.8 | 65.3 | 62.1 | 0.500 | 0.498 | 0.516 | 0.504 | 75 |
| Year | 29.847 | 42.8 | 91.3 | 73.0 | 73.3 | 71.0 | 71.6 | 67.9 | 0.642 | 0.644 | 0.665 | 0.650 | 75 |
ht = 4 feet. hr = 1 feet.
| Months | Amount of Cloud | Bright Sunshine | Weather | Rainfall | |||
|---|---|---|---|---|---|---|---|
| 10 a. | 4 p. | 10 p. | Mean | Total % of possible | Total | Daily Max. | |
| January | 73 | 70 | 66 | 69 | 42.9 | 1.800 | 0.970 |
| February | 83 | 82 | 78 | 81 | 26.3 | 1.100 | 0.465 |
| March | 98 | 95 | 93 | 95 | 31.1 | 11.485 | 2.145 |
| April | 86 | 86 | 86 | 86 | 29.0 | 7.235 | 1.235 |
| May | 70 | 70 | 70 | 70 | 100.7 | 12.115 | 2.515 |
| June | 87 | 87 | 87 | 87 | 144.3 | 19.695 | 7.955 |
| July | 75 | 75 | 75 | 75 | 212.0 | 6.825 | 3.080 |
| August | 76 | 76 | 76 | 76 | 223.4 | 9.015 | 1.490 |
| September | 67 | 67 | 67 | 67 | 199.5 | 3.195 | 0.995 |
| October | 67 | 58 | 58 | 61 | 201.7 | 1.630 | 1.740 |
| November | 50 | 51 | 51 | 51 | 200.0 | 0.280 | 0.100 |
| December | 74 | 73 | 73 | 73 | 117.0 | 2.370 | 1.065 |
| Year | 76 | 72 | 72 | 73 | 1851.4 | 70.94 | 7.055 |
| Months | N.E. | E. | S.E. | S. | S.W. | W. | N.W. | Calm | Rain | Snow | Hail | Thunder Storms | Gale |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| January | 3 | 2 | 8 | 6 | 2 | 2 | 3 | 7 | 17 | 0 | 0 | 0 | 0 |
| February | 2 | 8 | 6 | 2 | 2 | 3 | 2 | 4 | 11 | 0 | 0 | 0 | 0 |
| March | 3 | 8 | 8 | 2 | 2 | 2 | 3 | 3 | 20 | 0 | 0 | 2 | 0 |
| April | 2 | 2 | 8 | 7 | 1 | 4 | 3 | 3 | 16 | ... | ... | 9 | 0 |
| May | 4 | 4 | 11 | 6 | 1 | 2 | 3 | 0 | 13 | 0 | 0 | 8 | 0 |
| June | 1 | 1 | 13 | 9 | 2 | 2 | 2 | 0 | 18 | 0 | 0 | 8 | 0 |
| July | 0 | 0 | 16 | 11 | 2 | 1 | 1 | 0 | 16 | 0 | 0 | 11 | 0 |
| August | 0 | 1 | 19 | 7 | 1 | 1 | 2 | 0 | 20 | 0 | 0 | 9 | 0 |
| September | 1 | 1 | 15 | 8 | 2 | 1 | 2 | 0 | 13 | 0 | 0 | 4 | 0 |
| October | 4 | 1 | 15 | 3 | 1 | 4 | 3 | 0 | 4 | 0 | 0 | 1 | 0 |
| November | 8 | 2 | 10 | 3 | 1 | 2 | 4 | 0 | 8 | 0 | 0 | 2 | 0 |
| December | 2 | 2 | 22 | 3 | 0 | 1 | 1 | 0 | 22 | 0 | 0 | 1 | 0 |
| Year | 32 | 23 | 14 | 3 | 14 | 28 | 27 | 22 | 197 | 0 | 0 | 46 | 0 |
A = The longitude of the station.
H = Height above mean sea level. The latitude of the station.
hr = Height of the rain-gauge above the ground in feet.
ht = Height of the therms, above the ground in feet.
Page 420
Page 421
(Zc 2)
Station Hongkong ÜbserVATORY λ=7 36 41.86 E.
Air Temporature.
$22° 18′ 13′′.4 N.
Tension of Vapour.
H=
109 feet.
Relative Humidity.
Months.
Mean Pressuro.
!
10a. 4 p. 10 p.
Means of
Absolute Min. & Max.
Mean.
10 a.
4 p.
10 p. Mean. 10 a. 4
p.
|
Min. Max. Min. Max.
Mean.
I
Jan.,... 29.937 65.5 65.9 63.8 64.3 60.7 | 69,0| 46.8
79.3| 0.480 | 0.483 0,509 | 0.490| 73
73 83
79
Feb..... 30.018|| 56.1 56.5 55.5 53,3 51.6 58.9 42.8 73.5 0.381 0.378| 0.383 | 0.377| 83
81
185
33
84
·
Mar., 29.941 39.4 59.6 59,0
58.9 56.3 61.8 47.2 77,0| 0.431 | 0.434 0.459 | 0.449 87
87
90 88
•
April, 29.857 69.2 69.1 67.2 67.3 63.7 72.0
0.592 | 0.586| 0.608 | 0.591 81
May,... 29,804 79.8 80.177.0 78.1 74.3 83.0
0.786 0.773 0.803 | 0.789| 77
June, 29.621 82.6 82.3 80.4 81.177.4 85.0 69.8 88.6 0.869 0.873 0.890 0.875 78
July,... 29.612 | 83.9 84.9 81.1 82-3 78.1 87.8 73.8 91.3 0.879 0.871 | 0.891 | 0.881 75
Aug.,
29.655 83.1 83.0 80,1 81.2 77.3 86.7
Sept., 29.770 81.8 82.3 79.1 80.1 76.5 84.7
51,8| 84.2
68.4 89.4
73.0 90.5 0.892 0.875| 0.897| 0.890 79 77 87 84
71.3 89.6 0.828 0.826| 0.847 | 0.833| 76 | 75 | 85
*
22
2 2 880
88
89 85
75 86 82
79 86 83
73
84 30
8
81
!
77.6 77.7 73.3 75.9 72.0 80.4 39.7 85.7 0.614 0.643 0.672 0.648 63 29.890
Oct.,.
Nov., . 30.052|| 71.0; 71.1 68.5 69.2
Dec.,... 30.004| 66.5 66.6 64.8 65.3
66
75
71
62 65.0 73.6 59.2 84.5 0.433 0.465 0.500 | 0.468 57
62.1 69.6 | 53.4| 80.1| 0.500| 0,498] 0.516 0.504|| 75 | 75
72
66
23
୫୫ 80
Year,
29.847 73.0 73.3 71.0 71.6
67.9 76.0 42.8 91.3 0.642 0,644 | 0.665 | 0.650 75
75
81
80
ht=4 feet. hr =
1 fect.
Amount of Cloud.
Bright Sunshine.
Weather.
Rainfall.
No. of Days of
Wind. No. of Days of
Calm.
Months.
10 a. 4 p. 10 p.)
Mean.
Total.ge of
Percent.
possible.
Total.
Daily Max.
Kain.
Snow.
Hnil.
Thunder
Storms.
• Galus.
Z
N.E. E.
5.E.
8. S.W. W. N.W.
hours,
iDe. jus,
January,
73 70 G6
February,....
93
92
March,
98
95
93
April,
$6
Alay,
70
60
June,
87
July,
75
August,.
76
September.......
67
G5
October,
67
58
November,
50
$1
December,
74
73
3 2 8 E =
=
*
2 8 6 2 2 3 2 = #
Z
3 * 8 a
69
142.9
46
1.800❘ 0.970
0
A
0 2
IN
17
0
3
4
Q
93 92
26.3
G
1.100 0.465
11
0
0
5
14
❤
1
P
96
31.1
9
11.485 2,145 20
0
10
2
25 0
0
70 86 86 100.7 29 1.235 0.235, 13
0
2
1
2
2 19
2
4
58
87 TO 80 144.3
3 X
212.0
56
6.825 3.080 | 11
n
&
0
0
1
16
2
1
H
38
19.695 7.955| 20
0
9
0
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63 66 | 53
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9.015 1.490 16
None.
10
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$
He
сл
57
68 223.4
60
12.115 2.515 15
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65
199.5 6: 3.195 0.995 13
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1,630 1.740
4
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0,280 | 0.10O
8
0
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74 78 117.0 38 2.370 1.065
I
2 10
0 0
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O
1
3
Year,
76
72 67
71 1851.4
45 70.94 7.055 | 145
0 46
928 27 197
22
།
•
•
32
23 14
3
A = The longitude of the station.
H = Height above mean sea level. The latitude of the station.
hr=Height of the rain-gauge above the ground in feet.
ht=Height of the therms, above the ground in feet.
• Days of galos means days during some hour of which the wind volocity reached or exceeded 40 miles per hour. For further particulars cotop. :
Meteorological Observations made at the Hongkong Observatory in the year 1905."
Page 420Page 421
(Zd 1)
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