EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, AUGUST 1998
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
AUGUST 1998
| Date AUGUST |
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 | 1008.2 | 33.2 | 30.6 | 28.9 | 25.3 | 74 | 63 | - |
| 2 | 1007.7 | 33.9 | 30.9 | 28.9 | 25.8 | 74 | 64 | Trace |
| 3 | 1007.5 | 34.4 | 31.3 | 29.4 | 25.1 | 70 | 45 | Trace |
| 4 | 1006.6 | 33.3 | 30.7 | 29.0 | 25.6 | 75 | 49 | - |
| 5 | 1006.9 | 32.5 | 30.5 | 29.2 | 25.7 | 76 | 85 | - |
| 6 | 1007.7 | 32.3 | 29.7 | 27.6 | 25.7 | 79 | 87 | 12.4 |
| 7 | 1009.3 | 30.4 | 28.2 | 25.2 | 25.3 | 85 | 81 | 38.8 |
| 8 | 1009.4 | 32.7 | 29.3 | 27.5 | 25.4 | 80 | 47 | - |
| 9 | 1007.9 | 33.1 | 29.9 | 28.1 | 25.8 | 79 | 57 | 0.7 |
| 10 | 1006.1 | 29.6 | 27.7 | 25.8 | 25.5 | 88 | 86 | 41.9 |
| 11 | 1007.9 | 28.5 | 26.2 | 24.8 | 24.2 | 89 | 82 | 25.4 |
| 12 | 1009.9 | 31.9 | 28.8 | 25.7 | 25.7 | 84 | 70 | 13.6 |
| 13 | 1010.6 | 32.2 | 29.7 | 27.7 | 24.8 | 76 | 43 | - |
| 14 | 1010.5 | 32.5 | 29.7 | 27.7 | 24.4 | 74 | 53 | - |
| 15 | 1010.7 | 32.8 | 29.8 | 27.5 | 24.6 | 74 | 26 | - |
| 16 | 1009.6 | 33.4 | 30.2 | 28.1 | 25.1 | 75 | 49 | - |
| 17 | 1008.8 | 32.3 | 29.9 | 27.9 | 25.5 | 77 | 40 | - |
| 18 | 1010.2 | 33.7 | 30.6 | 28.9 | 26.0 | 77 | 41 | Trace |
| 19 | 1010.1 | 32.9 | 30.4 | 28.4 | 25.2 | 74 | 42 | - |
| 20 | 1008.9 | 33.6 | 30.1 | 27.9 | 25.6 | 77 | 64 | Trace |
| 21 | 1007.9 | 32.7 | 30.4 | 28.8 | 25.3 | 75 | 84 | - |
| 22 | 1007.6 | 30.3 | 28.5 | 27.0 | 26.4 | 89 | 86 | 23.4 |
| 23 | 1009.2 | 30.8 | 28.6 | 26.1 | 25.4 | 83 | 80 | 12.1 |
| 24 | 1009.5 | 32.3 | 29.5 | 27.4 | 25.0 | 77 | 47 | - |
| 25 | 1007.5 | 32.7 | 30.0 | 28.1 | 25.6 | 77 | 55 | Trace |
| 26 | 1007.1 | 32.7 | 29.9 | 28.4 | 25.3 | 77 | 77 | 0.2 |
| 27 | 1006.8 | 31.2 | 29.1 | 24.9 | 25.9 | 83 | 81 | 21.1 |
| 28 | 1006.4 | 30.7 | 29.0 | 26.0 | 26.2 | 85 | 87 | 10.5 |
| 29 | 1005.7 | 32.5 | 30.0 | 27.1 | 26.1 | 80 | 76 | 1.8 |
| 30 | 1006.4 | 31.9 | 29.6 | 25.8 | 26.1 | 82 | 79 | 15.9 |
| 31 | 1008.3 | 29.6 | 27.1 | 25.3 | 25.2 | 90 | 92 | 27.6 |
| Mean/Total | 1008.3 | 32.1 | 29.5 | 27.4 | 25.4 | 79 | 65 | 245.4 |
| Normal | 1005.1 | 31.3 | 28.4 | 26.3 | 24.8 | 81 | 66 | 391.4 |
| Station | Hong Kong Observatory | |||||||
| Date AUGUST |
Total Bright Sunshine (hours) |
Daily Global Solar Radiation (MJ/m2) |
Total Evaporation (mm) |
Prevailing Wind Direction (degrees) |
Mean Wind Speed (km/h) |
|---|---|---|---|---|---|
| 1 | 11.2 | 24.62 | 7.3 | 230 | 23.5 |
| 2 | 10.9 | 24.49 | 6.8 | 230 | 20.6 |
| 3 | 10.2 | 20.25 | 6.3 | 200 | 11.7 |
| 4 | 11.9 | 25.25 | 6.6 | 240 | 22.0 |
| 5 | 5.3 | 18.54 | 6.1 | 250 | 24.8 |
| 6 | 1.2 | 10.31 | 5.1 | 190 | 15.8 |
| 7 | 3.0 | 10.31 | 2.2 | 130 | 14.0 |
| 8 | 9.2 | 17.10 | 3.6 | 130 | 8.1 |
| 9 | 7.8 | 20.08 | 6.1 | 060 | 20.7 |
| 10 | 5.0 | 13.69 | 4.6 | 120 | 39.5 |
| 11 | 2.9 | 10.52 | 3.7 | 150 | 25.5 |
| 12 | 10.5 | 21.09 | 4.4 | 150 | 15.8 |
| 13 | 11.6 | 23.82 | 6.1 | 220 | 6.4 |
| 14 | 11.3 | 24.65 | 3.2 | 220 | 10.8 |
| 15 | 11.7 | 24.36 | 6.1 | 230 | 10.0 |
| 16 | 8.6 | 19.30 | 4.6 | 150 | 10.4 |
| 17 | 10.4 | 20.45 | 5.8 | 090 | 9.8 |
| 18 | 10.2 | 19.39 | 4.8 | 100 | 9.4 |
| 19 | 8.1 | 12.96 | 3.6 | 160 | 9.5 |
| 20 | 5.8 | 13.55 | 3.7 | 090 | 8.1 |
| 21 | 9.6 | 21.21 | 6.8 | 060 | 25.5 |
| 22 | 3.6 | 6.88 | 2.9 | 070 | 31.2 |
| 23 | 4.9 | 12.74 | 2.7 | 190 | 13.8 |
| 24 | 11.5 | 23.65 | 5.7 | 230 | 15.5 |
| 25 | 9.8 | 19.86 | 4.7 | 240 | 18.4 |
| 26 | 6.3 | 18.78 | 4.9 | 240 | 17.7 |
| 27 | 3.5 | 12.43 | 3.0 | 240 | 16.3 |
| 28 | 0.6 | 6.64 | 3.4 | 250 | 18.9 |
| 29 | 11.1 | 23.31 | 5.5 | 260 | 17.6 |
| 30 | 4.9 | 10.10 | 4.7 | 270 | 9.8 |
| 31 | 1.7 | 6.03 | 2.8 | 070 | 11.2 |
| Mean/Total | 234.3 | 17.30 | 147.8 | 230 | 16.5 |
| Normal | 207.0 | 17.61 | 156.9 | 090 | 18.5 |
| Station | King's Park | Waglan Island^ | |||
The minimum pressure recorded at the Hong Kong Observatory was 1003.7 hectopascals at 1555 HKT on 29 August.
The maximum air temperature recorded at the Hong Kong Observatory was 34.4 degrees C at 1451 HKT on 3 August.
The minimum air temperature recorded at the Hong Kong Observatory was 24.8 degrees C at 1736 HKT on 11 August.
The maximum gust peak speed recorded at Waglan Island was 79 kilometres per hour from 150 degrees at 0624 HKT on 11 August.
The maximum instantaneous rate of rainfall recorded at King's Park was 173 millimetres per hour at 0518 HKT on 7 August.
^ 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.