1923 — Page 390

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SUMMARY OF OBSERVATIONS AT FIXED HOURS.

Temperature Scale used below: Fahrenheit.

Station: Royal Observatory, Hong Kong

Year: 1923

Latitude: 22° 18′ N. Longitude: 114° 10′ 30″ E.

Heights above M.S.L.:

  • Barometer Cistern: 109 ft.
  • Thermometer Bulbs: 60 ins. (4 ft.) — Site 103 ft.
  • Rain-gauge Rim: 18 ins. — Site 103 ft.
  • Anemometer Head: 45 ft. — Head 150 ft.

Hours of Observations (Standard Time of 120° Meridian):

  • I: 1h (0h?)
  • II: 13h
  • III: 21h

---

Monthly Meteorological Summary

Month Mean Pressure (mb) Temperature (°F) Humidity Cloud Amount (0–100) Wind Direction Frequencies (hours) Strong Wind (Force 4–7) (hrs)
Station Level Normal Excess Dry Bulb Wet‑Bulb Depression Vapour Pressure (mb) % Mean Clear Days Overcast Days Calm N NE E SE S SW W NW
January, February 1016.7 1012.6 +1.0 57.2 6.39 5.911 5 8.8 5.0 10.8 11.0 12.2 ... ... ... ... ... ... ... ... ...
March, April, May 1013.5 ... +1.1 69.0 3.66 6.19–3.85 37 61 62 3.9 12.4 12.79 132 76 28 66 53 65 64.9 30 65 37.1 16.1 16.3 17.4 66 ...
June, July 1008.2 1005.1 −0.5 74.72 70.6 2.1 4.9 2.3 22.4 89 ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
August 1001.0 ... ... 76.2 81.1 79.3 82.8 ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
September 1000.1 ... −0.9 80.8 84.3 76.6 3.6 3.1 80.9 37 7.2 3.9 23.6 23.5 84 5.6 35 29.2 20.1 29.5 60 38 29.8 10.0 29.8 84
October 998.3 ... −2.8 82.6 ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
November, December 1004.5 1009.8 ... 79.10 84.5 80.4 31 48 3.29 9 30.2 80.2 30.3 87 34 8.7 5.3 23.6 26.2 26.91 73.8 78.9 73.13 51.7 20.8 54 21.5 22.4
Year — Totals ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
Year — Means 1008.2 ... −0.5 70.5 75.4 71.8 4.0 6.9 ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...

Note: The original table contains three observation hours (I, II, III) for each parameter; the above condenses them into single columns for readability. Many entries are illegible in the OCR and are marked with ....

---

Wind Frequency Details (Hours per Direction)

The following block appears to give monthly frequencies of wind direction and calm (likely for the three observation hours combined). The OCR is highly fragmented; the numbers are reproduced in sequence as they appear.

69 75 ++ 21 3+ 86 383 62 8 12 +1 5 -6 81 68 19 19 29 309 47 26 + + 82 66 67 11 25 20 + 89 68 24 21 555 31 24 2 9 51 + 16 26 346 RG 8+ Xo 20 13 79 : 17 53 47 266 62 171 69 34 20 68 1 22 12 32 138 108 234 159 31 70 3 14 26 24 200 62 -6 147 97 53 52 6 118 59 + 168 87 52 ウス 35 $6 46 64 13 xc Chem 20 35 ++ 63 365 59 3+ 10 20 9 22 73 об 342 1 30 2 17 19 321 36 + ++ 152 21 79 68 80 73.63 | 60 8 230 618 1787 814, 3928 735 710 543 417 208

---

Note: On a day of clear sky the mean cloud amount at hours of observation < 20; on an overcast day > 80. The sign ... indicates zero.

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Page 390 Page 391

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SUMMARY OF OBSERVATIONS AT FIXED HOURS.

Temperature Scale used below: Fahrenheit.

Station: Royal Observatory, Hong Kong

Year: 1923

Latitude: 22° 18′ N. Longitude: 114° 10′ 30″ E.

Heights above M.S.L.:

  • Barometer Cistern: 109 ft.
  • Thermometer Bulbs: 60 ins. (4 ft.) — Site 103 ft.
  • Rain-gauge Rim: 18 ins. — Site 103 ft.
  • Anemometer Head: 45 ft. — Head 150 ft.

Hours of Observations (Standard Time of 120° Meridian):

  • I: 1h (0h?)
  • II: 13h
  • III: 21h

---

Monthly Meteorological Summary

Month Mean Pressure (mb) Temperature (°F) Humidity Cloud Amount (0–100) Wind Direction Frequencies (hours) Strong Wind (Force 4–7) (hrs)
Station Level Normal Excess Dry Bulb Wet‑Bulb Depression Vapour Pressure (mb) % Mean Clear Days Overcast Days Calm N NE E SE S SW W NW
January, February 1016.7 1012.6 +1.0 57.2 6.39 5.911 5 8.8 5.0 10.8 11.0 12.2 ... ... ... ... ... ... ... ... ...
March, April, May 1013.5 ... +1.1 69.0 3.66 6.19–3.85 37 61 62 3.9 12.4 12.79 132 76 28 66 53 65 64.9 30 65 37.1 16.1 16.3 17.4 66 ...
June, July 1008.2 1005.1 −0.5 74.72 70.6 2.1 4.9 2.3 22.4 89 ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
August 1001.0 ... ... 76.2 81.1 79.3 82.8 ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
September 1000.1 ... −0.9 80.8 84.3 76.6 3.6 3.1 80.9 37 7.2 3.9 23.6 23.5 84 5.6 35 29.2 20.1 29.5 60 38 29.8 10.0 29.8 84
October 998.3 ... −2.8 82.6 ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
November, December 1004.5 1009.8 ... 79.10 84.5 80.4 31 48 3.29 9 30.2 80.2 30.3 87 34 8.7 5.3 23.6 26.2 26.91 73.8 78.9 73.13 51.7 20.8 54 21.5 22.4
Year — Totals ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
Year — Means 1008.2 ... −0.5 70.5 75.4 71.8 4.0 6.9 ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...

Note: The original table contains three observation hours (I, II, III) for each parameter; the above condenses them into single columns for readability. Many entries are illegible in the OCR and are marked with ....

---

Wind Frequency Details (Hours per Direction)

The following block appears to give monthly frequencies of wind direction and calm (likely for the three observation hours combined). The OCR is highly fragmented; the numbers are reproduced in sequence as they appear.

69 75 ++ 21 3+ 86 383 62 8 12 +1 5 -6 81 68 19 19 29 309 47 26 + + 82 66 67 11 25 20 + 89 68 24 21 555 31 24 2 9 51 + 16 26 346 RG 8+ Xo 20 13 79 : 17 53 47 266 62 171 69 34 20 68 1 22 12 32 138 108 234 159 31 70 3 14 26 24 200 62 -6 147 97 53 52 6 118 59 + 168 87 52 ウス 35 $6 46 64 13 xc Chem 20 35 ++ 63 365 59 3+ 10 20 9 22 73 об 342 1 30 2 17 19 321 36 + ++ 152 21 79 68 80 73.63 | 60 8 230 618 1787 814, 3928 735 710 543 417 208

---

Note: On a day of clear sky the mean cloud amount at hours of observation < 20; on an overcast day > 80. The sign ... indicates zero.

(Zb 2) 338

Page 390 Page 391

Baseline (Original)

SUMMARY OF OBSERVATIONS AT FIXED HOURS.

Temperature Senle used below....... Fahrenheit.

Station: Royal ObserVATORY, HONGKONG,

Barometer.

YEAR 1923,

Rotating Thermometers.

Lat, 22° 18′ X. Long, 114o 10 30' E.

Rain-gange.

Anemometer,

I

Hours of Observations,

II 13 (0.

Standard Time

of

Height above M.S.L.....................

1200 Meridian.

III 21 (0.

Height above ground ..

Cistern 109 fi.

4 ft.

Site 103 ft.

Bulbs 60 ins,

Site 103 ft.

Hend 150 ft.

Rim 18 ins,

Head 45 ft.

Amount of Cloud. Number of Number of

Wind.

Number of Hours of

Mean Pressure.

Temperature

Humidity.

0

  • 100.

Days of

Days

with

(24 observations daily)

124 observations daily)

1923.

A Station

Level. Normal.

Excess above

Depression of Wet-Bulb.

Vapour Pressure.

Percentage.

II

I II

I

111

1

[

Clear Sky.

Will Forec

Overenst Sky,

8 and above.

Strong Wind

(4-7).

Calin,

N. NE.

1.

S.E. S. SW. W, NW

1

+

مرا

C

J

。

millibar

m.b.

m.b. m.b, m.b,

January, February,

10167 1012-6

+10

57'2 639

5911

'5

8.8

5'0

10.8

:1°0

12.2

་ ་་་

-19

March,.

April,

May...

1013'5

+1+

69'0

366 619–385 37 61 62

3.9

12'4

1279

132 76

28 *

66

53

65

649| 30 65 | 371

16.1

16:3

174

Sz❘ 66

1008'2

1005°1

-0.5 03

7472

706 | 2'1

4.9 2.3

22'

224 89

June,

July,

10010

762 81-1 79'3! 82*8

10001

-0°9

8o8 84:3

76·6] 3*6 Ko'l

3'1 80*9 37

7'2

3.923-6

25′2 | 23'5 84

5*6 | 35 | 29°2

201

29.5

K6

60 38 29*8

10'0

29.8

84

August,

998*3

-28

Soro | 82-6

September,

1004'5

October.............

1009:8

7910, 84*5

804 31 48 3' 29'9 302 80'2

30.3

87

34, 8.7 5.3 | 23′′6 | 26′2

26.91

738 | 789, 7313 | 517

20*8

54

21.5

224

November,... December,

1012'1 | 10166

I

+09

691

74'5 618 676 63'5 45 74

79

54 18*5 +3

18-6

19.0

141

146

1573

沢さにた

65

S T Z

++

Z Z Z Z

MUS KRAKOUSSE

Year.

Totals,...... Means,..... 1008-2 བ་བ་།

-0°5

705 754 718 | 40 | 6'9

brs, hrs. hrs., hrs. Jirs. hrs. | lurs, | hrs, ] hrs.

69

75

++

21

3+

86

383

62 8

12

+1

5

-6

81

68

19

19

29

309

47

26

+

+

82

66

67

11

25

20

+

89

68

24

21

555 31

24

2

9

51

+

16

26

346

RG

8+

Xo

20

13

79

:

17 53

47

266

62 171

69

34

20

68

1

22

12

32

138 108 234 159

31

70

3

14

26

24

200 62

-6

147 97

53

52

6

118

59 +

168

87

52

ус

35

$6

46

64

13

xc Chem

20

35

++

63

365

59

3+

10

20

9

22

73

об

342 1 30

2 17

19

321 36

+

++ 152

21

79

68

80

73.63 | 60

8 230 618 1787 814, 3928 735 710 543 417 208

  • Oun day of clear sky the mean cloud amount at hours of observation < 20; on an overrast day > 80. The sign ... indicates zero,

( Zb 2 )

338

Page 390Page 391

ļ

2026-07-13 12:13:39 · Baseline
View content

SUMMARY OF OBSERVATIONS AT FIXED HOURS.

Temperature Senle used below....... Fahrenheit.

Station: Royal ObserVATORY, HONGKONG,

Barometer.

YEAR 1923,

Rotating Thermometers.

Lat, 22° 18′ X. Long, 114o 10 30' E.

Rain-gange.

Anemometer,

I

Hours of Observations,

II 13 (0.

Standard Time

of

Height above M.S.L.....................

1200 Meridian.

III 21 (0.

Height above ground ..

Cistern 109 fi.

4 ft.

Site 103 ft.

Bulbs 60 ins,

Site 103 ft.

Hend 150 ft.

Rim 18 ins,

Head 45 ft.

Amount of Cloud. Number of Number of

Wind.

Number of Hours of

Mean Pressure.

Temperature

Humidity.

0

  • 100.

Days of

Days

with

(24 observations daily)

124 observations daily)

1923.

A Station

Level. Normal.

Excess above

Depression of Wet-Bulb.

Vapour Pressure.

Percentage.

II

I II

I

111

1

[

Clear Sky.

Will Forec

Overenst Sky,

8 and above.

Strong Wind

(4-7).

Calin,

N. NE.

1.

S.E. S. SW. W, NW

1

+

مرا

C

J

。

millibar

m.b.

m.b. m.b, m.b,

January, February,

10167 1012-6

+10

57'2 639

5911

'5

8.8

5'0

10.8

:1°0

12.2

་ ་་་

-19

March,.

April,

May...

1013'5

+1+

69'0

366 619–385 37 61 62

3.9

12'4

1279

132 76

28 *

66

53

65

649| 30 65 | 371

16.1

16:3

174

Sz❘ 66

1008'2

1005°1

-0.5 03

7472

706 | 2'1

4.9 2.3

22'

224 89

June,

July,

10010

762 81-1 79'3! 82*8

10001

-0°9

8o8 84:3

76·6] 3*6 Ko'l

3'1 80*9 37

7'2

3.923-6

25′2 | 23'5 84

5*6 | 35 | 29°2

201

29.5

K6

60 38 29*8

10'0

29.8

84

August,

998*3

-28

Soro | 82-6

September,

1004'5

October.............

1009:8

7910, 84*5

804 31 48 3' 29'9 302 80'2

30.3

87

34, 8.7 5.3 | 23′′6 | 26′2

26.91

738 | 789, 7313 | 517

20*8

54

21.5

224

November,... December,

1012'1 | 10166

I

+09

691

74'5 618 676 63'5 45 74

79

54 18*5 +3

18-6

19.0

141

146

1573

沢さにた

65

S T Z

++

Z Z Z Z

MUS KRAKOUSSE

Year.

Totals,...... Means,..... 1008-2 བ་བ་།

-0°5

705 754 718 | 40 | 6'9

brs, hrs. hrs., hrs. Jirs. hrs. | lurs, | hrs, ] hrs.

69

75

++

21

3+

86

383

62 8

12

+1

5

-6

81

68

19

19

29

309

47

26

+

+

82

66

67

11

25

20

+

89

68

24

21

555 31

24

2

9

51

+

16

26

346

RG

8+

Xo

20

13

79

:

17 53

47

266

62 171

69

34

20

68

1

22

12

32

138 108 234 159

31

70

3

14

26

24

200 62

-6

147 97

53

52

6

118

59 +

168

87

52

ус

35

$6

46

64

13

xc Chem

20

35

++

63

365

59

3+

10

20

9

22

73

об

342 1 30

2 17

19

321 36

+

++ 152

21

79

68

80

73.63 | 60

8 230 618 1787 814, 3928 735 710 543 417 208

  • Oun day of clear sky the mean cloud amount at hours of observation < 20; on an overrast day > 80. The sign ... indicates zero,

( Zb 2 )

338

Page 390Page 391

ļ

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