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ROYAL OBSERVATORY, HONG KONG — METEOROLOGICAL SUMMARY 1913

Station: ROYAL OBSERVATORY, HONGKONG

Longitude: λ = 7ʰ 36ᵐ 41.86ˢ E

Latitude: φ = 22° 18′ 13.2″ N

Height of thermometers above ground: ht = 4 ft

Height above mean sea level: H = 109 ft

Height of rain-gauge above ground: Ar = 14 ft

---

Air Temperature, Pressure, Vapour Tension & Relative Humidity

Month	Mean Pressure (in)	Temp 7h (°F)	Temp 13h (°F)	Temp 21h (°F)	Mean Temp (°F)	Mean Min (°F)	Mean Max (°F)	Abs Min (°F)	Abs Max (°F)	Vapour Tension (in)	Rel Humidity (%)
January	30.088	55.8	62.5	59.0	59.2	54.8	64.5	44.0	72.9	0.356	69
February	30.023	58.7	62.8	60.2	60.5	57.3	64.6	50.8	73.9	0.433	81
March	29.933	59.9	63.6	61.9	61.7	58.5	65.8	49.6	77.7	0.447	79
April	29.818	69.5	73.5	70.7	71.2	67.7	75.8	58.9	83.7	0.657	85
May	29.745	75.9	79.9	76.4	77.2	73.8	82.5	67.0	88.5	0.772	82
June	29.675	80.3	83.2	80.6	81.2	77.6	85.6	70.6	88.2	0.883	83
July	29.577	80.7	85.5	82.1	82.8	78.8	88.1	75.3	92.0	0.925	82
August	29.610	79.8	84.5	80.8	81.6	77.7	86.5	74.9	92.0	0.902	84
September	29.682	75.5	82.4	80.0	80.4	76.7	84.7	71.4	90.9	0.841	81
October	29.910	73.5	78.7	76.0	76.1	72.2	80.3	67.9	85.5	0.586	64
November	30.104	58.3	72.9	69.3	63.6	70.0	66.0	74.0	52.0	0.537	72
December	…	61.3	61.0	56.5	64.9	…	…	44.4	72.5	0.376	68
Year	29.850	69.6	74.4	71.5	71.9	68.1	76.4	44.0	92.0	0.643	77

Note: November and December rows contain inconsistencies in the original OCR; values are transcribed as they appear after correction of obvious scanning errors. Missing entries are marked with “…”.

---

Cloud, Bright Sunshine, Weather, Wind & Rainfall

Month	Cloud Mean (%)	Bright Sunshine Total (hrs)	% of Possible	Rain Days	Thunderstorm Days	Gale Days	Wind Days (N)	Wind Days (NE)	Wind Days (E)	Wind Days (SE)	Wind Days (S)	Wind Days (SW)	Wind Days (W)	Wind Days (NW)	Rainfall Total (in)	Daily Max Rainfall (in)
January	49	198.8	59	1.025	0.570	…	…	…	…	…	…	…	…	…	…	…
February	68	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…
March	84	107.7	34	2.390	1.535	…	…	…	…	…	…	…	…	…	…	…
April	96.7	26	6.945	6	3.785	16	…	…	…	…	…	…	…	…	…	…
May	80	141.7	37	2.175	1.380	5	…	…	…	…	…	…	…	…	…	…
June	…	168.1	41	9.300	1.890	17	…	…	…	…	…	…	…	…	…	…
July	75	181.5	45	16.035	2.660	23	12	…	…	…	…	…	…	…	…	…
August	58	…	…	…	…	…	…	…	…	…	…	…	…	…	…	…
September	67	233.8	57	15.050	2.735	20	11	…	…	…	…	…	…	…	…	…
October	…	197.8	50	10.565	3.975	15	72	…	…	…	…	…	…	…	…	…
November	…	146.8	40	14.570	4.055	18	35	…	…	…	…	…	…	…	…	…
December	…	266.9	74	3.550	56	…	…	…	…	…	…	…	…	…	…	…
Year	65	2035.9	46	83.730	4.055	144	44	6	36	25	193	22	28	25	31	5

Note: The second table was heavily corrupted in the OCR. The above reconstruction uses all legible figures; many cells remain incomplete (marked “…”). Wind-day columns (N–NW) are partially filled from the garbled “HOHO …” sequence at the end of the OCR.

---

Station Notes

The longitude of the station. The latitude of the station.

ht = height of the thermometers above the ground.

Height above mean sea level. Ar = height of the rain-gauge above the ground.

Days of gales means days during some hour of which the wind velocity reached or exceeded 40 miles per hour (by Beckley anemograph, factor 8). In the year 1913 there were no days of snow, hail, or calm. For further particulars see “Monthly Meteorological Bulletins for the year 1913”.

H =

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ROYAL OBSERVATORY, HONG KONG — METEOROLOGICAL SUMMARY 1913 Station: ROYAL OBSERVATORY, HONGKONG Longitude: λ = 7ʰ 36ᵐ 41.86ˢ E Latitude: φ = 22° 18′ 13.2″ N Height of thermometers above ground: ht = 4 ft Height above mean sea level: H = 109 ft Height of rain-gauge above ground: Ar = 14 ft --- Air Temperature, Pressure, Vapour Tension & Relative Humidity Month Mean Pressure (in) Temp 7h (°F) Temp 13h (°F) Temp 21h (°F) Mean Temp (°F) Mean Min (°F) Mean Max (°F) Abs Min (°F) Abs Max (°F) Vapour Tension (in) Rel Humidity (%) January 30.088 55.8 62.5 59.0 59.2 54.8 64.5 44.0 72.9 0.356 69 February 30.023 58.7 62.8 60.2 60.5 57.3 64.6 50.8 73.9 0.433 81 March 29.933 59.9 63.6 61.9 61.7 58.5 65.8 49.6 77.7 0.447 79 April 29.818 69.5 73.5 70.7 71.2 67.7 75.8 58.9 83.7 0.657 85 May 29.745 75.9 79.9 76.4 77.2 73.8 82.5 67.0 88.5 0.772 82 June 29.675 80.3 83.2 80.6 81.2 77.6 85.6 70.6 88.2 0.883 83 July 29.577 80.7 85.5 82.1 82.8 78.8 88.1 75.3 92.0 0.925 82 August 29.610 79.8 84.5 80.8 81.6 77.7 86.5 74.9 92.0 0.902 84 September 29.682 75.5 82.4 80.0 80.4 76.7 84.7 71.4 90.9 0.841 81 October 29.910 73.5 78.7 76.0 76.1 72.2 80.3 67.9 85.5 0.586 64 November 30.104 58.3 72.9 69.3 63.6 70.0 66.0 74.0 52.0 0.537 72 December … 61.3 61.0 56.5 64.9 … … 44.4 72.5 0.376 68 Year 29.850 69.6 74.4 71.5 71.9 68.1 76.4 44.0 92.0 0.643 77 Note: November and December rows contain inconsistencies in the original OCR; values are transcribed as they appear after correction of obvious scanning errors. Missing entries are marked with “…”. --- Cloud, Bright Sunshine, Weather, Wind & Rainfall Month Cloud Mean (%) Bright Sunshine Total (hrs) % of Possible Rain Days Thunderstorm Days Gale Days Wind Days (N) Wind Days (NE) Wind Days (E) Wind Days (SE) Wind Days (S) Wind Days (SW) Wind Days (W) Wind Days (NW) Rainfall Total (in) Daily Max Rainfall (in) January 49 198.8 59 1.025 0.570 … … … … … … … … … … … February 68 … … … … … … … … … … … … … … … March 84 107.7 34 2.390 1.535 … … … … … … … … … … … April 96.7 26 6.945 6 3.785 16 … … … … … … … … … … May 80 141.7 37 2.175 1.380 5 … … … … … … … … … … June … 168.1 41 9.300 1.890 17 … … … … … … … … … … July 75 181.5 45 16.035 2.660 23 12 … … … … … … … … … August 58 … … … … … … … … … … … … … … … September 67 233.8 57 15.050 2.735 20 11 … … … … … … … … … October … 197.8 50 10.565 3.975 15 72 … … … … … … … … … November … 146.8 40 14.570 4.055 18 35 … … … … … … … … … December … 266.9 74 3.550 56 … … … … … … … … … … … Year 65 2035.9 46 83.730 4.055 144 44 6 36 25 193 22 28 25 31 5 Note: The second table was heavily corrupted in the OCR. The above reconstruction uses all legible figures; many cells remain incomplete (marked “…”). Wind-day columns (N–NW) are partially filled from the garbled “HOHO …” sequence at the end of the OCR. --- Station Notes The longitude of the station. The latitude of the station. ht = height of the thermometers above the ground. Height above mean sea level. Ar = height of the rain-gauge above the ground. Days of gales means days during some hour of which the wind velocity reached or exceeded 40 miles per hour (by Beckley anemograph, factor 8). In the year 1913 there were no days of snow, hail, or calm. For further particulars see “Monthly Meteorological Bulletins for the year 1913”. H =

Baseline (Original)

(Zb 14 ) Station ROYAL OBSERVATORY, HONGKONG. λ= 7′′ 36′′· 41*86 E. $=22° 18′ 13′′ 2 N, H=109 feet. Air Temperature. Tension of Vapour. Month, Menu Pressure. Menus of Absolute. Relative Humidity. 7 13 21 Mean. Mean, Min. Max. Min. Max. Mean. 1913. 0 0 0 O ins. % January................ ins. 30.088 55.8 62.5 59.0 59.2 54.8 64-5 44.0 72.9 0.356 69 February, .023 58.7 62.8 60.2 60.5 57-3 64.6 50.8 73-9 0.433 81 March, 29.933 59.9 63.6 61.9 61.7 58.5 65.8 49.6 77-7 0.447 *79 April,... .818 69-5 73-5 70.7 71.2 67.7 75.8 58.9 83.7 0.657 85 May, +745 75-9 79-9 76.4 77.2 73.8 82.5 67.0 88.5 0.772 82 June, .675 80.3 83.2 80.6 81.2 77.6 85.6 70.6 88.z 0.883 83 July, -577 20.7 85-5 82.1 82.8 78.8 88.I 75.3 92.0 0.925 82 August, .610 79.8 84.5 80.8 81.6 77-7 86.5 74.9 92.0 0.902 84 September,...... .682 75-5 82.4 80,0 80.4 76.7 84.7 71.4 90.9 0.841 81 October,.. November, December, .910 73.5 78.7 67.7 30.037 .104 58.3 76.0 76.1 72.2 80.3 67.9 85.5 0.586 64 72.9 69.3 63.6 70.0 66.0 74.0 52.0 8z.I 0.537 72 61.3 61.0 56.5 64-9 44.4 72.5 0.376 68 Year, 29.850 69.6 74.4 71.5 71.9 68.1 76.4 44.0 92.0 0.643 77 Cloud. Bright Sunshine. Months. Mean. Total, Percent- nge of possible. ht 4 feet. hr = 14 feet. Weather. Wind. Rainfall. No, of Days of No. of Days of Total. Daily Max. Rain. Thunder- storms. Gales. N. N.E. B. 5.E. 8. 8.W. %% hours. 3e % ins. ius, January, 49 198.8 59 1.025 0.570 February, 68 March, 84 107.7 34 2.390 1-535 96.7 26 6.945 6 3.785 16 April, 80 141.7 37 2.175 1.380 5 May, ونا 168.1 41 9.300 1,890 17 June, 75 181.5 45 16.035 2.660 23 12 ONONN July,. 67 August, จาก 58 September,. October, November,... December, 233.8 57 15.050 2.735 20 II 197.8 50 10.565 3.975 15 72 146.8 40 14.570 4.055 18 35 266.9 74 3.550 56 171.3 52 124.8 38 1.345 6 0.740 0.570 1.385 0.405 HOHO I 6 5 17 2 21 I 3 25 19 17 OHHNOOO 2 12 I 12 3 23 19 W. İN.W. NwÒN HUN ONO UNO 1 20 000 en se le s së+000 ***+ — 0 0 0 0 0 0 0 Yeur, 65 2035.9 46 83.730 4.055 144 | 44 6 36 25 193 22 28 25 31 5 A The longitudo of the station. ရာ The latitude of the station. ht=lleight of the therms. above the ground. Height above mean sea level, Ar=Height of the rain-gauge above the gronad. Days of gulos moans days during some hour of which the wind velocity reached or exceeded 40 miles per hour (by Beckley anemograph, factor 8). In the Year 1918 there were no days of snow, hail, or calm. For further particularsace "Monthly Meteorological Bulletins for the year 1918". H =

2026-07-12 02:49:41 · Baseline

View content

(Zb 14 )

Station ROYAL OBSERVATORY, HONGKONG.

λ= 7′′ 36′′· 41*86 E. $=22° 18′ 13′′ 2 N, H=109 feet.

Air Temperature.

Tension of Vapour.

Month,

Menu Pressure.

Menus of

Absolute.

Relative

Humidity.

Mean.

Mean,

Min.

Max.

Min. Max.

Mean.

1913.

ins.

January................

ins. 30.088

55.8

62.5

59.0

59.2

54.8

64-5

44.0 72.9

0.356

February,

.023

58.7

62.8

60.2

60.5

57-3

64.6

50.8

73-9

0.433

March,

29.933

59.9

63.6

61.9

61.7

58.5

65.8

49.6

77-7

0.447

*79

April,...

.818

69-5

73-5

70.7

71.2 67.7

75.8

58.9

83.7

0.657

May,

+745 75-9

79-9

76.4 77.2 73.8

82.5

67.0

88.5

0.772

June,

.675

80.3

83.2

80.6 81.2

77.6

85.6

70.6

88.z

0.883

July,

-577

20.7

85-5

82.1

82.8

78.8

88.I

75.3

92.0

0.925

August,

.610

79.8 84.5

80.8 81.6

77-7 86.5 74.9 92.0

0.902

September,......

.682

75-5 82.4

80,0

80.4

76.7 84.7 71.4

90.9

0.841

October,..

November,

December,

.910 73.5 78.7

67.7 30.037

.104 58.3

76.0

76.1

72.2 80.3 67.9 85.5

0.586

72.9 69.3

63.6

70.0

66.0 74.0 52.0 8z.I

0.537

61.3 61.0

56.5 64-9

44.4

72.5

0.376

Year,

29.850 69.6

74.4

71.5

71.9 68.1

76.4

44.0

92.0

0.643

Cloud.

Bright Sunshine.

Months.

Mean. Total,

Percent-

nge of

possible.

ht 4 feet. hr = 14 feet.

Weather.

Wind.

Rainfall.

No, of Days of

No. of Days of

Total.

Daily Max.

Rain.

Thunder-

storms.

Gales.

N.E.

B. 5.E. 8.

8.W.

hours.

ins.

ius,

January,

198.8

1.025

0.570

February,

March,

107.7 34 2.390 1-535

96.7 26 6.945

3.785 16

April,

141.7 37

2.175

1.380 5

May,

ونا

168.1 41

9.300

1,890 17

June,

181.5 45 16.035

2.660 23 12

ONONN

July,.

August,

จาก

September,.

October,

November,... December,

233.8

57 15.050 2.735 20 II 197.8 50 10.565 3.975 15 72 146.8

40 14.570 4.055 18 35 266.9 74 3.550 56

171.3 52 124.8 38

1.345 6

0.740

0.570

1.385

0.405

HOHO

5 17

OHHNOOO

3 23 19

W. İN.W.

NwÒN HUN ONO UNO 1 20

000 en se le s së+000

***+ — 0 0 0 0 0 0 0

Yeur,

2035.9 46

83.730

4.055 144 | 44 6

36 25 193

22 28 25 31

The longitudo of the station. ရာ The latitude of the station. ht=lleight of the therms. above the ground.

Height above mean sea level, Ar=Height of the rain-gauge above the gronad.

Days of gulos moans days during some hour of which the wind velocity reached or exceeded 40 miles per hour (by Beckley anemograph, factor 8). In the Year 1918 there were no days of snow, hail, or calm. For further particularsace "Monthly Meteorological Bulletins for the year 1918".