1918 — Page 335

(Zb 13)

Station ROYAL OBSERVATORY, Hongkong.

λ = 7h 36m 41.86s E. φ = 22° 18′ 13.2″ N. H = 109 feet.

ht = 4 feet. lr = 1 feet.

Air Temperature

† Mean of 24 hourly values.

Weather, Wind, Cloud, Bright Sunshine, Rainfall

• Days of gales means days during some hour of which the wind velocity reached or exceeded 40 miles per hour (by Beckley anemograph, factor 3).

In the year 1918 there were no days of snow, hail, or hail. (sic)

For further particulars see “Monthly Meteorological Bulletins for the year 1918”.

(Zb 13 )

Station ROYAL OBSERVATORY, Hongkong.

==

λ=7 36 41'86 E. 6=22° 18′ 13′′-2 N. H 109 feet.

7′′

Air Temperature.

323

Mouth.

Mean Pressure

at

1918.

Tension of Vapour.

Menus of

Absolute.

Relative

Humidity.

M.S.L.

and

Lat. 45°.

+

др

Mean.†

Meun.

Mean.

Min. Max.

Min.

Max.

Q

0

J

•

。

1

a

ins.

ins.

January......

30.214

50.3

58.0

53.6

54.0 49.8

59.2

42.1

66.7

0.195

46

February,

.118

56.4

62.9

58.5

59.2

55-7

64.5

50,0

72.2

0.357

71

March,

.013

61.9

66.8

63.6

64.0

60.7

68.6

34.4

78.z

0.488

81

April,

29.902

68.7

73-4

69.6

70.4

670

75.0

58.5

84.0

0.637

$4

May,

+798

75.2

78.5

73.2

76.2

73.1

80.3

66.3

86.9

0.770

June,

.706

78.1

81.8

79.1

79.5

76.5

83.6

72.8

89.9

0.861

86

July,

.$79

80.5

84.5

80.8

81.8 78.4

86.5

74.2

91.2

0.914

8+

August,

.691

8.3

82.0

78.7

76.4 79.5

83.6

74.0

87.1

0.864

86

September.......

.790 77.8

81.8

78.9

79.6

76.5

83.5

734

89.8

0.819

81

October,...

.930

73-7 80.5

75.4

76.4

81.6

72.5

67.6

88.2

с.бог

66

November,

------

30,060 67-5

71.3

68.7

69.2

66.1

72.7 59.7

82.5

0.567

78

December,

.078

63.9

67.4

64.7

65.2

61.4

68.9

49.2

78.6

0.514

80

Year,

29.907

69.4

74.1

70.6

71.2

67.9

75-7

42.1

91.2

0.633

77

ht

= 4 feet. lr=

1 feet.

Weather.

Wind.

Cloud.

Bright Sunshine.

Rainfall.

No, of Days of

No. of Days of

Mouths,

Menn.

Total.

Percent-

nge of

possible.

Total.

Daily Max.

Rain.

Thunder-

storms.

• Gules.

N.

X.E.

E.

S.E.

5.

19.W. W.

N.W.

%

શ

hours.

*

ins.

ins.

6

Jannary,

Febrnury,

March,

April,

May,

June,

July,....

August, September,

October,.

November, December,

Akkord A50720

30

241.9 203.6

72

64

77

122.1 33

67

158.6 42

0.010

0.015 1.105

1.445 +++0

0.005

17

0.010

I

3 24

0.440

IC

2

1

I

12

85

124.5 30

6.655

2.620

19

:

2

1

80

147.6 37 24-795

79

136.7

42 3+

11.640 29.230

4-995 4.205 19

22

22

N

7.395

20

Z

1 10

1 18

64

171.3 +7 18.450

5-335

17

المافيا فيا

3

1

+2

234-5 65 0.050

0.050

3

19

18

76

124.6

82

38 108.9 33

5.075 0.140

2,210

3

+

0.085 +

26

Year,

68

1. ++

101.605

7-395138 40

+

26

3+ 199

21

科

34

30

15

10

5

A = The longitule of the station.

ht=Height of the therms, above the ground,

• Days of gales means days during some hour of which the wind velocity reached or excesled 40 miles

In the Year 1918 there were no days of snow, hail, or calın, (by Beckley anemograph, fuctor 3). particulars see “Monthly Meteorological Bulletins for the year 1918 ".

† Mean of 24 hourly values.

= The latitude of the station. H = Height above mean sea level. hr=Height of the ruin-gango above the ground,

per hour

For further