1901 — Page 347

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HONGKONG OBSERVATORY

A=7'36m 11.86 E.

22° 18' 137.4 N. H=109 feet.

Air Temperature, Tension of Vapour, Relative Humidity, and Mean Pressure

Months	Mean Pressure	Air Temperature	Tension of Vapour	Relative Humidity
		Min. & Max.	10 a. 4 p. 10 p.	Mean	10 a. 10 p.	Mean	10 a. 4 p. 10 p.	Mean
Jan.	30.003	56.7 75.8	62.2 68.5	65.9 64.8 64.9	0.507 0.525 0.511	0.208 0.217 0.226 0.215	45 79
Feb.	30.131	38.4 68.3	50.5 59.5	54.3 54.8	55.1 57.1	0.514	0.226	0.215	45
Mar.	30.02	34.5 78.7	60.4 67.9	63.2 65.5 63.7	0.418 0.459 0.480 0.462	72
April	29.814	61.9 84.8	69.1 76.4	71.4 78.0 71.5	0.681 0.692 0.702 0.688	83
May	29.757	61.2 88.7	73.7 81.8	76.3 78.6 77.1	0.794 0.783 0.802 0.795	81
June	29.635	71.2 90.6	78.2 85.9	81.0 82.7 81.5	0.857 0.851 0.869 0.859	77
July	29.647	76.2 89.7	78.5 87.0	81.2 84.4 82.2	0.889 0.869 0.908 0.889	77
Aug.	29.585	73.0 92.7	76.9 85.7	79.7 82.6 80.6	0.869 0.864 0.899 0.880	79
Sept.	29.766	73.5 90.8	76.4 86.0	79.5 82.7 80.3	0.764 0.768 0.794 0.784	67 68
Oct.	29.831	65.3 91.4	73.6 82.6	76.3 79.5 77.4	0.618 0.646 0.666 0.644	61
Nov.	30.011	59.6 82.2	64.9 75.4	68.3 71.8 69.5	0.408 0.459 0.508 0.468	53
Dec.	30.045	45.4 74.7	57.5 66.9	60.9 63.7 61.6	0.314 0.374 0.399 0.369	58 62 73 66
Year	29.854	38.4 92.7	68.5 76.9	71.4 73.9 72.1	0.615 0.625 0.647 0.630	69 70 79 75

Amount of Cloud, Rainfall, and Weather

Month	Amount of Cloud	Rainfall	No. of Days of Rain	No. of Days of Thunder Storms	No. of Days of Clear Sky	No. of Days of Overcast
January	67	0.685	7	0	12	10
February	58	0.765	8	0	10	8
March	70	1.275	13	1	7	14
April	76	2.336	17	2	4	14
May	79	6.585	22	7	2	17
June	74	14.240	18	10	2	15
July	77	9.035	19	10	1	14
August	78	14.105	19	9	2	15
September	72	3.990	14	3	4	10
October	63	2.505	10	1	6	11
November	62	0.770	3	0	13	7
December	43	0.355	3	0	15	6
Year	73	65.785	187	36	26	201

Wind

Month	N.E.	S.E.	S.	S.W.	W.	N.W.
January	15	9	2	2	2	2
February	19	2	2	2	2	2
March	11	7	4	4	2	3
April	7	8	4	5	3	3
May	4	11	4	7	3	2
June	2	13	4	7	2	2
July	2	13	6	7	2	1
August	2	15	4	7	2	1
September	5	11	3	6	3	2
October	10	9	3	5	2	2
November	12	7	2	4	3	2
December	13	7	2	4	3	2
Year	...	...	...	...	...	...

A = The longitude of the station.

= The latitude of the station. H = Height above mean sea level. ht = Height of the therms above the ground in feet. hr = Height of the rain-gauge above the ground in feet. For further particulars comp.: “Observations made at the Hongkong Observatory in the year 1901,”

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HONGKONG OBSERVATORY A=7'36m 11.86 E. 22° 18' 137.4 N. H=109 feet. Air Temperature, Tension of Vapour, Relative Humidity, and Mean Pressure Months Mean Pressure Air Temperature Tension of Vapour Relative Humidity Min. & Max. 10 a. 4 p. 10 p. Mean 10 a. 10 p. Mean 10 a. 4 p. 10 p. Mean Jan. 30.003 56.7 75.8 62.2 68.5 65.9 64.8 64.9 0.507 0.525 0.511 0.208 0.217 0.226 0.215 45 79 Feb. 30.131 38.4 68.3 50.5 59.5 54.3 54.8 55.1 57.1 0.514 0.226 0.215 45 Mar. 30.02 34.5 78.7 60.4 67.9 63.2 65.5 63.7 0.418 0.459 0.480 0.462 72 April 29.814 61.9 84.8 69.1 76.4 71.4 78.0 71.5 0.681 0.692 0.702 0.688 83 May 29.757 61.2 88.7 73.7 81.8 76.3 78.6 77.1 0.794 0.783 0.802 0.795 81 June 29.635 71.2 90.6 78.2 85.9 81.0 82.7 81.5 0.857 0.851 0.869 0.859 77 July 29.647 76.2 89.7 78.5 87.0 81.2 84.4 82.2 0.889 0.869 0.908 0.889 77 Aug. 29.585 73.0 92.7 76.9 85.7 79.7 82.6 80.6 0.869 0.864 0.899 0.880 79 Sept. 29.766 73.5 90.8 76.4 86.0 79.5 82.7 80.3 0.764 0.768 0.794 0.784 67 68 Oct. 29.831 65.3 91.4 73.6 82.6 76.3 79.5 77.4 0.618 0.646 0.666 0.644 61 Nov. 30.011 59.6 82.2 64.9 75.4 68.3 71.8 69.5 0.408 0.459 0.508 0.468 53 Dec. 30.045 45.4 74.7 57.5 66.9 60.9 63.7 61.6 0.314 0.374 0.399 0.369 58 62 73 66 Year 29.854 38.4 92.7 68.5 76.9 71.4 73.9 72.1 0.615 0.625 0.647 0.630 69 70 79 75 Amount of Cloud, Rainfall, and Weather Month Amount of Cloud Rainfall No. of Days of Rain No. of Days of Thunder Storms No. of Days of Clear Sky No. of Days of Overcast January 67 0.685 7 0 12 10 February 58 0.765 8 0 10 8 March 70 1.275 13 1 7 14 April 76 2.336 17 2 4 14 May 79 6.585 22 7 2 17 June 74 14.240 18 10 2 15 July 77 9.035 19 10 1 14 August 78 14.105 19 9 2 15 September 72 3.990 14 3 4 10 October 63 2.505 10 1 6 11 November 62 0.770 3 0 13 7 December 43 0.355 3 0 15 6 Year 73 65.785 187 36 26 201 Wind Month N.E. S.E. S. S.W. W. N.W. January 15 9 2 2 2 2 February 19 2 2 2 2 2 March 11 7 4 4 2 3 April 7 8 4 5 3 3 May 4 11 4 7 3 2 June 2 13 4 7 2 2 July 2 13 6 7 2 1 August 2 15 4 7 2 1 September 5 11 3 6 3 2 October 10 9 3 5 2 2 November 12 7 2 4 3 2 December 13 7 2 4 3 2 Year ... ... ... ... ... ... A = The longitude of the station. = The latitude of the station. H = Height above mean sea level. ht = Height of the therms above the ground in feet. hr = Height of the rain-gauge above the ground in feet. For further particulars comp.: “Observations made at the Hongkong Observatory in the year 1901,”

Baseline (Original)

(Zo 2) Station HONGKONG OBSERVATORY A=7'36m 11.86 E. - 22° 18' 137.4 N. H=109 feet. Air Temperature. Tension of Vapour. Relative Ilumidity. Months. Menu Pressure. Menus of Absolute Min. & Max) 10a. 4 p. 10 p. Mean. 10 a. 10 p. | Mean. 10 n. 4 p. 10 p. Min. Max. Min. | Max. Menn. Jan.,... 30.003 65.9 65,9 64.8 64.9| 62.2| 68,5| 56.7 75,8|| 0.507 Feb.,... 30.131 0.514 0,525 0,511 79 55.157.1 54.3 54.8 50.5 59.5 38.4 68.3 0.208 | 0.217| 0.226| 0.215 45 Mar., 30.02|| 64.9 65.5 63.2| 63.7| 60.4 67.9 34.5 | 78.7 0.418 | 0,159| 0.480 | 0,462|| 72 April, 29.814|| 72.7 78.0 | 71.4| 71.5| 69.1 76.4 80. 85 8: 45 52 61.9 84.8 0.681 0.692 0.702 0.688 83 2 = 8 84 € 2 88 72 81 77 90 87 80 88 85 3 2/ 76 82 May.... 29,757 78.4 78.6| 76.3 77.1| 78,7 81.8 61.2 88.7 | 0.794 0.783 0.802 0.795 81 June, 29.635| 82.6| 82.7 810 81,5 78,2| 85,9| 71,2 | 90.6 | 0,857 | 0,851 0.869 0.859 77 July,... 29.647| 83.6| 84.4| 81.2 82.2 78.5 87.0 76.2 89.7 | 0.889 | 0.869| 0.908| 0,889 77 Aug. 29,585 82.2| 82,6| 79.7| 80,6| 76.9, 85,7 73.0 92.7 0.869 | 0,864| 0,8991 0,880| 79 Sept., 29.766|| 83.0 82,779,5| 80.3| 76.4| 86.0 73.5 | 90.8|| 0.764 | 0.768 | 0,794 | 0.784 67 68 Oet.....¦ 29.831 79.0 79.5 76,3| 77.4; 73.6 82.6 | 65.3 91.4 0.618 0,646 | 0.666 | 0.644| 61 Nov., 30.011 71.671,8 68.3 69.5 64.9 75.4| 59.6 82.2 0.408 0.459 | 0.508 | 0.468 53 Dec.,...| 30,045 || 63.3 63.7 60.9 61.6 57.5 66.9 45.4, 74.7 0.314 0.374 0.399 0.369|| 58 62 73 66 + 74 85 SI 77 88 84 78 76 63 73 68 59 73 6-4 22 Year, 29.854 78.6| 73.9 71.4 72.1| 68.5 | 76.9 38.4 92.7 0.615 0,625 | 0.647 | 0.630 69 70 79 75 12 ht feet. hr = 15 feet. Amount of Cloud, Rainfall. Weather. No. of Days of Wind. No, of Days of Mouth. P Mer Daily Total. Max. Rain. Snow. Hail. Thunder Storms. Clear Sky. Overcast. “[11) X. N.E. K. B.E. 9. S.V. W. ¡N.W. January. LITT February...... March, April, ........... July. August, September.... October. 91 May. 47 June, 27 #2 SA Z # A Ż 45 75 | 67 15 * 2 2 2 9 8 8 % GI 70 19 TA 58 A E RE #7 76 89 2 * * SI *S 79 61) 70 R A 3 2 2 2 A ins. ins. 0,685 | 0,180, 7 0,765 | 0,215 1.275 0.350 2,336 0.194 17 6.585 1,085 | 22 74 24000 3.110 | 18 Z 11 A 13 27 - 25 ន 0 0 41 2 27 0 0 --- 9,035 1.9311| 14 7 1 A 2] 2 0 0 --- 79 14.105 | 4015) 19 IG = 3 1 8 = 1 9 2 G None. None. O מי 10 # 1 こ 3.990 | 1.495 10 કા * I 14 17 - 4 [G *** 10 2.505 1.645 t- || November. 12 December, 62 == 43 30 0.770; 0,355 3 " IS 51 DASS ' -0- $60 " 13 I 4 1 I 23 10 = 10 Year, 73 67 58 66 165.785 1.294 187 13 20 36 201 15 30 26 13 7 A The longitude of the station. = $ The latitude of the station. H = Height above mean son level. ht=Height of the therms, above the ground in feot, hr Height of the rain-gauge above the ground in fent. For further particulars comp.: “Obsorvations runde at the [longkong Observatory in the year 1901,” :

2026-07-08 07:19:48 · Baseline

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(Zo 2)

Station HONGKONG OBSERVATORY A=7'36m 11.86 E.

22° 18' 137.4 N. H=109 feet.

Air Temperature.

Tension of Vapour.

Relative Ilumidity.

Months.

Menu Pressure.

Menus of

Absolute Min. & Max)

10a. 4 p.

10 p.

Mean.

10 a.

10 p. | Mean. 10 n. 4 p. 10 p.

Min. Max. Min. | Max.

Menn.

Jan.,... 30.003 65.9 65,9 64.8 64.9| 62.2| 68,5| 56.7 75,8|| 0.507

Feb.,... 30.131

0.514 0,525 0,511 79

55.157.1 54.3 54.8 50.5 59.5 38.4 68.3 0.208 | 0.217| 0.226| 0.215 45

Mar., 30.02|| 64.9 65.5 63.2| 63.7| 60.4 67.9 34.5 | 78.7 0.418 | 0,159| 0.480 | 0,462|| 72

April, 29.814|| 72.7 78.0 | 71.4| 71.5| 69.1 76.4

80. 85

61.9 84.8 0.681 0.692 0.702 0.688 83

2 = 8

€ 2 88

72 81 77

80 88 85

3 2/

76 82

May.... 29,757 78.4 78.6| 76.3 77.1| 78,7 81.8 61.2 88.7 | 0.794 0.783 0.802 0.795 81

June,

29.635| 82.6| 82.7 810 81,5 78,2| 85,9| 71,2 | 90.6 | 0,857 | 0,851 0.869 0.859 77

July,... 29.647| 83.6| 84.4| 81.2 82.2 78.5 87.0 76.2 89.7 | 0.889 | 0.869| 0.908| 0,889 77

Aug. 29,585 82.2| 82,6| 79.7| 80,6| 76.9, 85,7 73.0 92.7 0.869 | 0,864| 0,8991 0,880| 79

Sept., 29.766|| 83.0 82,779,5| 80.3| 76.4| 86.0 73.5 | 90.8|| 0.764 | 0.768 | 0,794 | 0.784 67 68

Oet.....¦ 29.831 79.0 79.5 76,3| 77.4; 73.6 82.6 | 65.3 91.4 0.618 0,646 | 0.666 | 0.644| 61

Nov., 30.011 71.671,8 68.3 69.5 64.9 75.4| 59.6 82.2 0.408 0.459 | 0.508 | 0.468 53

Dec.,...| 30,045 || 63.3 63.7 60.9 61.6 57.5 66.9 45.4, 74.7 0.314 0.374 0.399 0.369|| 58 62 73 66

74 85 SI

88 84

78 76

6-4

Year,

29.854 78.6| 73.9 71.4 72.1| 68.5 | 76.9

38.4 92.7 0.615 0,625 | 0.647 | 0.630 69 70 79 75

ht feet. hr =

15 feet.

Amount of Cloud,

Rainfall.

Weather.

No. of Days of

Wind.

No, of Days of

Mouth.

Mer

Daily

Total.

Max.

Rain.

Snow.

Hail.

Thunder

Storms.

Clear Sky.

Overcast.

“[11)

N.E.

B.E.

9. S.V. W. ¡N.W.

January.

LITT

February......

March,

April, ...........

July.

August,

September....

October.

May.

June,

Z # A

75 | 67

* 2 2 2 9 8 8 %

70 19

A E RE

2 * *

61) 70

R A 3 2 2 2 A

ins. ins.

0,685 | 0,180, 7

0,765 | 0,215

1.275 0.350

2,336 0.194 17

6.585 1,085 | 22

74 24000 3.110 | 18

ន

27 0 0

---

9,035 1.9311| 14

2] 2

0 0

---

79 14.105 | 4015) 19

9 2

None.

מי

こ

3.990 | 1.495

કા

***

10 2.505 1.645

November.

December,

43 30 0.770; 0,355 3

IS 51 DASS ' -0- $60

13 I

4 1

Year,

66 165.785 1.294 187

20 36 201

26 13 7

A The longitude of the station.

= $ The latitude of the station. H = Height above mean son level. ht=Height of the therms, above the ground in feot, hr Height of the rain-gauge above the ground in fent. For further particulars comp.: “Obsorvations runde at the [longkong Observatory in the year 1901,”