1909 — Page 510

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HONGKONG OBSERVATORY

Latitude: 22° 18′ 13″.2 N

Longitude: 114° 10′ 41″.86 E

Height above mean sea level (H): 109 feet

Height of thermometers above ground (ht): 4 feet

Height of rain-gauge above ground (hr): [value not clear in OCR]

---

Monthly Meteorological Data — 1909

Month Mean Pressure (in.) Tension of Vapour (in.) Relative Humidity (%) Air Temperature (°F)
10 a.m. 4 p.m. 10 p.m. Mean 10 a.m. 4 p.m. 10 p.m. Mean Means of 10 a.m., 4 p.m., 10 p.m. Mean Absolute Min. Absolute Max.
January 29.982 0.432 0.434 0.438 0.431 78 76 83 79 61.4 60.6 53.8 78.4
February 29.988 0.432 0.437 0.431 0.433 77 84 81 81 61.2 60.4 48.7 73.4
March 29.930 0.481 0.496 0.521 0.499 78 77 84 80 64.3 64.1 53.0 77.8
April 29.837 0.602 0.604 0.630 0.612 75 72 81 76 72.2 71.1 62.0 85.5
May 29.772 0.705 0.723 0.745 0.724 79 78 86 81 75.7 74.9 65.4 86.6
June 29.681 0.870 0.866 0.885 0.874 77 77 83 79 83.1 82.1 74.6 90.8
July 29.635 0.886 0.858 0.899 0.881 73 73 85 77 83.5 82.2 74.9 90.5
August 29.670 0.910 0.888 0.919 0.906 77 77 81 78 85.4 82.8 76.2 90.7
September 29.770 0.859 0.864 0.894 0.872 73 73 83 76 81.1 82.2 74.0 90.5
October 29.776 0.781 0.745 0.754 0.760 75 71 81 76 78.6 77.8 65.3 90.5
November 29.952 0.445 0.470 0.482 0.466 55 71 79 68 72.2 70.4 54.8 82.8
December 30.058 0.334 0.351 0.386 0.357 52 65 59 59 65.1 63.6 50.8 77.9
Year 29.831 0.641 0.641 0.666 0.649 73 74 81 76 73.8 72.7 48.7 99.8

---

Cloud, Sunshine, Rainfall, Weather & Wind

Month Amount of Cloud (0–10) Bright Sunshine Rainfall (in.) Weather — No. of Days Wind — No. of Days from
10 a.m. 4 p.m. Mean Total (hrs) % Possible Total Daily Max. Rain Thunder Gale N NE E SE S SW W NW Calm
January 9 9 9 137.5 57 2.610 1.720 18 0 0 2 2 2 2 2 9 9 3 2
February 8 8 8 187.1 71 2.820 1.160 17 0 0 2 2 2 2 3 5 2 2 2
March 7 7 7 219.7 73 1.720 0.450 10 0 0 2 2 2 2 2 9 9 3 2
April 6 6 6 230.8 61 7.386 2.610 18 0 0 2 2 2 2 2 9 9 3 2
May 5 5 5 215.3 64 12.825 2.820 22 0 0 2 2 2 2 2 9 9 3 2
June 8 8 8 150.4 44 8.340 1.720 17 0 0 2 2 2 2 2 9 9 3 2
July 8 8 8 113.9 30 6.700 2.260 16 0 0 2 2 2 2 2 9 9 3 2
August 8 8 8 197.8 49 8.305 2.685 17 0 0 2 2 2 2 2 9 9 3 2
September 7 7 7 192.0 52 6.375 2.685 17 0 0 2 2 2 2 2 9 9 3 2
October 6 6 6 219.7 73 2.345 1.000 10 0 0 2 2 2 2 2 9 9 3 2
November 5 5 5 252.0 66 1.460 1.160 4 0 0 2 2 2 2 2 9 9 3 2
December 4 4 4 230.8 61 1.600 0.450 4 0 0 2 2 2 2 2 9 9 3 2
Year 7 7 7 1978.6 70.7 70.725 6.376 145 0 0 36 12 33 30 192 21 21 87 13

---

Notes

  • Days of gales means days during some hour of which the wind velocity reached or exceeded 40 miles per hour.
  • For further particulars compare: "Meteorological Observations made at the Hongkong Observatory in the year 1909."

---

Page 510–511

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HONGKONG OBSERVATORY Latitude: 22° 18′ 13″.2 N Longitude: 114° 10′ 41″.86 E Height above mean sea level (H): 109 feet Height of thermometers above ground (ht): 4 feet Height of rain-gauge above ground (hr): [value not clear in OCR] --- Monthly Meteorological Data — 1909 Month Mean Pressure (in.) Tension of Vapour (in.) Relative Humidity (%) Air Temperature (°F) 10 a.m. 4 p.m. 10 p.m. Mean 10 a.m. 4 p.m. 10 p.m. Mean Means of 10 a.m., 4 p.m., 10 p.m. Mean Absolute Min. Absolute Max. January 29.982 0.432 0.434 0.438 0.431 78 76 83 79 61.4 60.6 53.8 78.4 February 29.988 0.432 0.437 0.431 0.433 77 84 81 81 61.2 60.4 48.7 73.4 March 29.930 0.481 0.496 0.521 0.499 78 77 84 80 64.3 64.1 53.0 77.8 April 29.837 0.602 0.604 0.630 0.612 75 72 81 76 72.2 71.1 62.0 85.5 May 29.772 0.705 0.723 0.745 0.724 79 78 86 81 75.7 74.9 65.4 86.6 June 29.681 0.870 0.866 0.885 0.874 77 77 83 79 83.1 82.1 74.6 90.8 July 29.635 0.886 0.858 0.899 0.881 73 73 85 77 83.5 82.2 74.9 90.5 August 29.670 0.910 0.888 0.919 0.906 77 77 81 78 85.4 82.8 76.2 90.7 September 29.770 0.859 0.864 0.894 0.872 73 73 83 76 81.1 82.2 74.0 90.5 October 29.776 0.781 0.745 0.754 0.760 75 71 81 76 78.6 77.8 65.3 90.5 November 29.952 0.445 0.470 0.482 0.466 55 71 79 68 72.2 70.4 54.8 82.8 December 30.058 0.334 0.351 0.386 0.357 52 65 59 59 65.1 63.6 50.8 77.9 Year 29.831 0.641 0.641 0.666 0.649 73 74 81 76 73.8 72.7 48.7 99.8 --- Cloud, Sunshine, Rainfall, Weather & Wind Month Amount of Cloud (0–10) Bright Sunshine Rainfall (in.) Weather — No. of Days Wind — No. of Days from 10 a.m. 4 p.m. Mean Total (hrs) % Possible Total Daily Max. Rain Thunder Gale N NE E SE S SW W NW Calm January 9 9 9 137.5 57 2.610 1.720 18 0 0 2 2 2 2 2 9 9 3 2 February 8 8 8 187.1 71 2.820 1.160 17 0 0 2 2 2 2 3 5 2 2 2 March 7 7 7 219.7 73 1.720 0.450 10 0 0 2 2 2 2 2 9 9 3 2 April 6 6 6 230.8 61 7.386 2.610 18 0 0 2 2 2 2 2 9 9 3 2 May 5 5 5 215.3 64 12.825 2.820 22 0 0 2 2 2 2 2 9 9 3 2 June 8 8 8 150.4 44 8.340 1.720 17 0 0 2 2 2 2 2 9 9 3 2 July 8 8 8 113.9 30 6.700 2.260 16 0 0 2 2 2 2 2 9 9 3 2 August 8 8 8 197.8 49 8.305 2.685 17 0 0 2 2 2 2 2 9 9 3 2 September 7 7 7 192.0 52 6.375 2.685 17 0 0 2 2 2 2 2 9 9 3 2 October 6 6 6 219.7 73 2.345 1.000 10 0 0 2 2 2 2 2 9 9 3 2 November 5 5 5 252.0 66 1.460 1.160 4 0 0 2 2 2 2 2 9 9 3 2 December 4 4 4 230.8 61 1.600 0.450 4 0 0 2 2 2 2 2 9 9 3 2 Year 7 7 7 1978.6 70.7 70.725 6.376 145 0 0 36 12 33 30 192 21 21 87 13 --- Notes Days of gales means days during some hour of which the wind velocity reached or exceeded 40 miles per hour. For further particulars compare: "Meteorological Observations made at the Hongkong Observatory in the year 1909." --- Page 510–511
Baseline (Original)
(Zc 2) Stution HONGKONG ÜBSERVATORY A == 7′′ 36′′ 41*.86 E. q: Mouths, Mean Pressure, 10 n. 4 p. 10 p. 22718′ 13′′.2 N. 11 = 109 feet. Tension of Vapour. Relative Humidity. Air Temperature. Means of Mean. Absolute Min. & Max. 10a.. E p. 10 p. Menn. 10 u. 4 p. Min. Max. Min. Max. | Menn. Feb.. 29.671 84.1 29.988 61.2 61.9 59.6 60.4 57.0 64.3 48.7 73.4 0.431 Mar., 29.930 64.3 65.1 | 64.2 64,1 | 60.8| 67.6 53,0| 77.8 0.481 0.496 0.521 April,... 29.837 | 72.2 73.7 70,4 71.1 | 67.4 | 75,8 May, 29.772 75.7 76.1| 74.5 74.9 71.6| 78.7 62.0 85.5 0.705 0.723 0.745 0.720 79 78.9 86.6 78.9 90.0 0.870 0,866, 0.885 0.876 77 June, 29.681 83.1 810 810 82.1 29.035 83.5 93.9 81.2 82.2 78.5 86.8 74.6 90.8 0.886 0,858 0.899| 0,891 73 83 July, 85.4| 81.7 82.8 78.8 87.5 74.9 | 90,5| 0.910 | 0,888 Ang... Sept..... 29.070 81.1 81.0 81.2 82.2 78.5 87.0 76.2 90.7 0.859 0.864 Jan., ... 29.982 61.4 62.3 60.0 60.6 57.6 64.1 53.8 78.4 0.432 0.434 0.438 0.431 78 76 83 80 0.432 | 0.437 | 0.431|| 79 77 84 81 0.497 78 61,6 85.70,602 0.604 0,630 | 0.612|| 75 12 REEN S 77 81 81 72 81 79 80 87 83 71 84 80 8 8 77 0.919| 0.909|77 0.894 0.880 73 73 22 31 85 81 73 83 80 Oct., 29.776 78.6| 79.3 77.5 77.8 74.0 81.5 65.3 90,5| 0,781 0,745 0.754 | 0.740| 75 0,754 | Nov. 29.952 72.2 73.1 69.2 70.4 65.4 75.5 54.8 82.8 0.445, 0.470 0.482 0.469 55 71 79 13 56 66 62 30.058 65.1 66.2 62.7 63.6 58.9 68.9 50.8 77.9 0.334 0.351 0.386 0.357 31 52 65 59 Dee. Year,... 29,831 73,8 74.6 71.9 72.7 68,9 | 77,0| 48,7| 99,8| 0,641 Months. January, February.. March, April, May, June, ht 4 feet. lựr = feet. Amount of Cloud, Bright Sunshine, Rainfall. Weather. No, of Days of 10 a. p. Op.. Mean. Percent- Total,' age of Total. possible Daily Max. 0.641, 0,666. 0,651|73 71 81 77 -Wind. No, of Days of N. X.E. E. 8.E. 8. SV. W. N.W $ 9 2 $ 03 202.6 137.5 57 187.1 30 219.7 71 73 62 71 49 74 48 76 2 52 99 30 24 ≈ 2 E 28 70 230,8 61 7.386 2.610 18 252.0 66 64 215.3 12.825 2.820 22 8.340 1.720) 17 * 2 * 822 hours. ins. ins. 85 2 2 3 2 2 9 90 86 2 2 2 2 80 פא 7 * 3 5 2 2 G5 8? 94 95 92 2 2 2 2 3 2 83 $5.0 27 $ 1.460 | 1.160 G 0 80 $5.6 29 1.600 | 0.450 4 ( ሁ → 61.2 19 2.345 1,000] 10 150.4 44 2.455 0.70 10 8.5 113.9 30 6.700 2,260 16 3 → 19 0 0 * 10 4 19 1 2 23 0 4 G } 15 2 19 3 1 1 ' 24 2 0 0 7 -་ IN 2 - 12 * - None. None. * 2 12 - - - 18 5 3 aso 18 · 40 8.305 2.685 17 N 0 0 1 18 + ' 2 28.985 | 6,375 17 " 6 6 19 體 1 0 0.003 0.035 3 0 < 11 8 10 0 0 1 0 1 0.000 | 11,000 0 20 • 0 July, August, 73 September,.................... 75 October, 80 November.................... C3 December, 29 Year,.... 76 74 64 72 1978.6 49 70.725 6.376| 145 36 12 33 30 192 21 21 87 13 T λ The longitude of the station, ht=Height of the therms, above the ground in feet. = The latitude of the station. H = Height above mean sea level. hr Height of the rain-gauge above the ground in feet. - * Days of gales means days during some hour of which the wind velocity reached or exceedol 40 miles per hour. For further particulars comp.: "Meteorological Observations made at the Hongkong Observatory in the year 1909.” - 0 Calın. Page 510Page 511
2026-07-11 10:36:05 · Baseline
View content

(Zc 2)

Stution HONGKONG ÜBSERVATORY A == 7′′ 36′′ 41*.86 E. q:

Mouths,

Mean Pressure,

10 n. 4 p. 10 p.

22718′ 13′′.2 N. 11 = 109 feet.

Tension of Vapour. Relative Humidity.

Air Temperature.

Means of

Mean.

Absolute Min. & Max.

10a.. E p.

10 p. Menn. 10 u. 4 p.

Min. Max. Min. Max.

| Menn.

Feb..

29.671 84.1

29.988 61.2 61.9 59.6 60.4 57.0 64.3 48.7 73.4 0.431 Mar., 29.930 64.3 65.1 | 64.2 64,1 | 60.8| 67.6 53,0| 77.8 0.481 0.496 0.521 April,... 29.837 | 72.2 73.7 70,4 71.1 | 67.4 | 75,8

May,

29.772 75.7 76.1| 74.5 74.9 71.6| 78.7 62.0 85.5 0.705 0.723 0.745 0.720 79 78.9 86.6 78.9 90.0 0.870 0,866, 0.885 0.876 77 June, 29.681 83.1 810 810 82.1

29.035 83.5 93.9 81.2 82.2 78.5 86.8 74.6 90.8 0.886 0,858 0.899| 0,891 73 83 July,

85.4| 81.7 82.8 78.8 87.5 74.9 | 90,5| 0.910 | 0,888 Ang... Sept..... 29.070 81.1 81.0 81.2 82.2 78.5 87.0 76.2 90.7 0.859 0.864

Jan., ... 29.982 61.4 62.3 60.0 60.6 57.6 64.1 53.8 78.4 0.432 0.434 0.438 0.431

78 76 83

80

0.432 | 0.437 | 0.431|| 79 77 84 81

0.497 78

61,6 85.70,602 0.604 0,630 | 0.612|| 75

12

REEN S

77 81 81

72 81

79

80

87

83

71

84 80

8 8

77

0.919| 0.909|77

0.894 0.880 73

73

22

31

85

81

73 83 80

Oct.,

29.776 78.6| 79.3 77.5 77.8 74.0 81.5 65.3 90,5| 0,781 0,745 0.754 | 0.740| 75

0,754 |

Nov. 29.952 72.2 73.1 69.2 70.4 65.4 75.5 54.8 82.8 0.445, 0.470 0.482 0.469 55

71

79

13

56

66 62

30.058 65.1 66.2 62.7 63.6 58.9 68.9 50.8 77.9 0.334 0.351

0.386 0.357 31

52

65 59

Dee.

Year,... 29,831 73,8 74.6 71.9 72.7 68,9 | 77,0| 48,7| 99,8| 0,641

Months.

January,

February..

March,

April,

May,

June,

ht 4 feet. lựr =

feet.

Amount of Cloud,

Bright Sunshine,

Rainfall.

Weather. No, of Days of

10 a. p.

Op..

Mean.

Percent-

Total,' age of

Total.

possible

Daily Max.

0.641, 0,666. 0,651|73

71 81 77

-Wind.

No, of Days of

N.

X.E. E.

8.E. 8. SV.

W. N.W

$ 9 2 $

03 202.6

137.5

57 187.1

30 219.7

71

73 62

71

49

74 48

76

2

52

99

30

24

≈ 2 E 28

70

230,8 61 7.386 2.610 18

252.0 66

64 215.3

12.825 2.820 22

8.340 1.720) 17

* 2 * 822

hours.

ins. ins.

85

2 2 3 2 2 9

90

86

2 2 2 2

80

פא

7

* 3 5 2 2

G5

8?

94 95 92

2 2 2 2 3 2

83

$5.0 27

$

1.460 | 1.160

G

0

80

$5.6

29

1.600 | 0.450 4

(

ሁ

→

61.2

19

2.345 1,000] 10

150.4 44 2.455 0.70 10

8.5

113.9 30 6.700 2,260 16

3

→

19

0

0

*

10

4

19

1 2

23

0

4

G

}

15

2

19 3 1

1

' 24 2

0 0 7

-་

IN

2

-

12

*

-

None.

None.

*

2

12

-

-

-

18

5

3

aso

18

·

40

8.305 2.685 17

N

0 0 1 18 + '

2

28.985 | 6,375 17

"

6

6

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體

1

0

0.003 0.035 3

0

<

11

8 10 0 0 1

0

1

0.000 | 11,000

0

20

•

0

July,

August,

73

September,....................

75

October,

80

November....................

C3

December,

29

Year,....

76 74 64

72 1978.6

49

70.725 6.376| 145

36

12 33 30 192 21 21 87 13 T

λ The longitude of the station,

ht=Height of the therms, above the ground in feet.

= The latitude of the station. H = Height above mean sea level.

hr Height of the rain-gauge above the ground in feet.

-

* Days of gales means days during some hour of which the wind velocity reached or exceedol 40 miles per hour. For further particulars comp.: "Meteorological Observations made at the Hongkong Observatory in the year 1909.”

-

0

Calın.

Page 510Page 511

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