EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, OCTOBER 1997
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
OCTOBER 1997
| Date OCTOBER |
Mean Pressure (hPa) |
Air Temperature | Mean Dew Point Temperature (deg. C) |
Mean Relative Humidity (%) |
Mean Amount of Cloud (%) |
Total Rainfall (mm) | ||
|---|---|---|---|---|---|---|---|---|
| Maximum (deg. C) |
Mean (deg. C) |
Minimum (deg. C) | ||||||
| 1 | 1013.9 | 27.6 | 25.1 | 23.2 | 22.6 | 86 | 72 | Trace |
| 2 | 1014.0 | 28.5 | 26.3 | 25.0 | 23.1 | 83 | 68 | Trace |
| 3 | 1015.2 | 26.8 | 25.9 | 24.7 | 23.4 | 87 | 93 | 0.9 |
| 4 | 1015.2 | 29.4 | 27.2 | 25.7 | 24.6 | 86 | 57 | - |
| 5 | 1016.2 | 29.3 | 27.1 | 25.7 | 23.9 | 83 | 66 | Trace |
| 6 | 1017.3 | 28.4 | 26.1 | 24.0 | 23.2 | 85 | 67 | 4.4 |
| 7 | 1017.8 | 28.7 | 26.7 | 25.5 | 22.8 | 80 | 55 | - |
| 8 | 1018.6 | 27.3 | 26.2 | 25.4 | 22.4 | 80 | 86 | 0.4 |
| 9 | 1016.9 | 27.6 | 25.8 | 24.7 | 21.1 | 76 | 56 | - |
| 10 | 1014.5 | 29.1 | 26.8 | 24.9 | 23.3 | 81 | 40 | - |
| 11 | 1014.8 | 28.6 | 27.0 | 25.9 | 24.4 | 86 | 68 | Trace |
| 12 | 1016.0 | 27.0 | 26.1 | 24.6 | 24.3 | 90 | 72 | 46.4 |
| 13 | 1015.4 | 28.4 | 26.4 | 25.1 | 23.1 | 83 | 65 | - |
| 14 | 1014.0 | 28.2 | 26.5 | 25.0 | 23.0 | 81 | 51 | - |
| 15 | 1013.7 | 29.4 | 27.0 | 25.3 | 23.4 | 81 | 36 | - |
| 16 | 1015.2 | 29.7 | 27.2 | 25.7 | 23.5 | 81 | 51 | - |
| 17 | 1016.3 | 28.6 | 26.7 | 24.6 | 23.9 | 85 | 82 | 54.6 |
| 18 | 1015.5 | 27.3 | 25.8 | 23.9 | 23.3 | 86 | 90 | 5.0 |
| 19 | 1013.9 | 28.9 | 26.5 | 25.2 | 22.5 | 79 | 69 | Trace |
| 20 | 1012.0 | 29.3 | 27.0 | 24.9 | 23.1 | 79 | 54 | - |
| 21 | 1010.1 | 30.4 | 27.9 | 26.0 | 23.8 | 79 | 39 | - |
| 22 | 1010.1 | 30.0 | 27.8 | 26.2 | 24.4 | 82 | 28 | - |
| 23 | 1012.6 | 28.4 | 27.2 | 25.9 | 24.4 | 85 | 60 | 1.1 |
| 24 | 1016.3 | 28.7 | 26.7 | 25.4 | 22.9 | 80 | 33 | - |
| 25 | 1017.7 | 27.7 | 26.1 | 25.3 | 21.4 | 75 | 37 | - |
| 26 | 1018.2 | 28.1 | 25.8 | 24.1 | 21.0 | 75 | 67 | Trace |
| 27 | 1020.1 | 25.4 | 23.1 | 21.1 | 16.7 | 67 | 75 | - |
| 28 | 1021.1 | 22.8 | 21.0 | 19.5 | 15.3 | 70 | 79 | - |
| 29 | 1020.7 | 25.8 | 22.8 | 19.8 | 15.4 | 63 | 38 | - |
| 30 | 1020.6 | 25.5 | 23.2 | 20.9 | 12.8 | 53 | 23 | - |
| 31 | 1021.7 | 24.1 | 22.0 | 20.1 | 9.8 | 46 | 16 | - |
| Mean/Total | 1016.0 | 27.9 | 25.9 | 24.3 | 21.7 | 78 | 58 | 112.8 |
| Normal | 1014.0 | 27.9 | 25.2 | 23.1 | 19.8 | 73 | 56 | 144.8 |
| Station | Hong Kong Observatory | |||||||
| Date OCTOBER |
Total Bright Sunshine (hours) |
Daily Global Solar Radiation (MJ/m2) |
Total Evaporation (mm) |
Prevailing Wind Direction (degrees) |
Mean Wind Speed (km/h) |
|---|---|---|---|---|---|
| 1 | 5.1 | 14.21 | 3.1 | 050 | 23.9 |
| 2 | 6.4 | 15.61 | 3.4 | 070 | 24.3 |
| 3 | 0.2 | 6.10 | 1.2 | 070 | 34.7 |
| 4 | 9.5 | 17.86 | 3.5 | 070 | 14.5 |
| 5 | 4.0 | 9.79 | 2.5 | 090 | 12.0 |
| 6 | 6.7 | 17.04 | 3.8 | 090 | 24.5 |
| 7 | 6.8 | 15.90 | 3.6 | 090 | 18.0 |
| 8 | 0.4 | 6.48 | 3.0 | 090 | 30.1 |
| 9 | 3.9 | 13.33 | 3.0 | 080 | 24.8 |
| 10 | 5.8 | 13.79 | 3.0 | 100 | 6.5 |
| 11 | 2.5 | 9.71 | 2.3 | 100 | 9.5 |
| 12 | 3.0 | 8.57 | 2.1 | 090 | 19.5 |
| 13 | 6.2 | 15.36 | 3.3 | 090 | 14.3 |
| 14 | 7.0 | 15.71 | 3.2 | 090 | 11.0 |
| 15 | 9.9 | 18.74 | 4.4 | 100 | 7.4 |
| 16 | 6.4 | 16.85 | 4.0 | 090 | 11.8 |
| 17 | 2.7 | 10.83 | 4.7 | 090 | 24.0 |
| 18 | 1.8 | 9.26 | 2.1 | 080 | 23.5 |
| 19 | 6.1 | 13.52 | 3.3 | 090 | 17.0 |
| 20 | 6.8 | 12.36 | 2.9 | 220 | 12.0 |
| 21 | 7.4 | 14.30 | 3.9 | 280 | 12.5 |
| 22 | 7.2 | 11.76 | 2.7 | 120 | 7.7 |
| 23 | 1.6 | 7.91 | 2.2 | 100 | 11.5 |
| 24 | 8.3 | 14.37 | 3.4 | 090 | 17.8 |
| 25 | 7.7 | 15.22 | 4.4 | 090 | 27.2 |
| 26 | 5.4 | 12.88 | 3.7 | 080 | 25.8 |
| 27 | 6.0 | 14.66 | 4.5 | 010 | 34.0 |
| 28 | 1.0 | 8.24 | 2.8 | 010 | 28.9 |
| 29 | 8.7 | 16.36 | 4.3 | 010 | 28.2 |
| 30 | 9.5 | 17.01 | 5.8 | 010 | 31.9 |
| 31 | 9.3 | 16.58 | 5.8 | 010 | 34.3 |
| Mean/Total | 173.3 | 13.24 | 105.9 | 090 | 20.1 |
| Normal | 195.0 | 15.46 | 152.2 | 090 | 27.6 |
| Station | King's Park | Waglan Island^ | |||
The minimum pressure recorded at the Hong Kong Observatory was 1007.8 hectopascals at 1523 HKT on 21 October.
The maximum air temperature recorded at the Hong Kong Observatory was 30.4 degrees C at 1530 HKT on 21 October.
The minimum air temperature recorded at the Hong Kong Observatory was 19.5 degrees C at 0457 HKT on 28 October.
The maximum gust peak speed recorded at Waglan Island was 70 kilometres per hour from 010 degrees at 0630 HKT on 18 October.
The maximum instantaneous rate of rainfall recorded at King's Park was 102 millimetres per hour at 2215 HKT on 17 October.
^ In case the data are not available from Waglan Island, observations of Cheung Chau or other nearby weather stations will be incorporated in computing the Prevailing Wind Direction and Mean Wind Speed.