EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, AUGUST 2001
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
AUGUST 2001
| 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 | 1004.3 | 31.3 | 28.6 | 25.1 | 25.2 | 83 | 88 | 11.3 |
| 2 | 1006.2 | 30.2 | 26.9 | 24.3 | 25.0 | 90 | 86 | 54.5 |
| 3 | 1010.3 | 29.6 | 27.7 | 25.0 | 25.3 | 87 | 80 | Trace |
| 4 | 1011.2 | 31.8 | 29.1 | 26.9 | 24.7 | 77 | 22 | - |
| 5 | 1010.6 | 31.2 | 29.3 | 28.1 | 26.0 | 83 | 74 | 0.2 |
| 6 | 1008.0 | 32.2 | 29.7 | 28.0 | 25.6 | 79 | 64 | Trace |
| 7 | 1005.6 | 32.9 | 30.1 | 27.9 | 25.0 | 75 | 54 | - |
| 8 | 1006.3 | 33.4 | 30.3 | 28.2 | 25.3 | 75 | 35 | - |
| 9 | 1007.9 | 32.2 | 30.0 | 28.4 | 25.9 | 79 | 54 | Trace |
| 10 | 1008.3 | 31.1 | 29.0 | 26.9 | 26.1 | 85 | 81 | 20.9 |
| 11 | 1009.7 | 30.6 | 28.9 | 26.9 | 25.5 | 82 | 86 | 1.6 |
| 12 | 1008.9 | 31.8 | 28.8 | 24.3 | 25.3 | 82 | 83 | 32.1 |
| 13 | 1008.3 | 32.6 | 29.0 | 24.6 | 24.2 | 76 | 78 | 0.5 |
| 14 | 1008.5 | 31.8 | 29.5 | 27.8 | 25.3 | 78 | 64 | - |
| 15 | 1006.5 | 31.9 | 29.1 | 27.3 | 25.2 | 79 | 78 | 0.6 |
| 16 | 1004.1 | 30.4 | 28.5 | 26.8 | 24.2 | 78 | 82 | 0.1 |
| 17 | 1003.6 | 32.2 | 29.1 | 26.8 | 24.6 | 77 | 79 | - |
| 18 | 1003.9 | 32.5 | 29.8 | 28.2 | 24.2 | 72 | 70 | - |
| 19 | 1004.7 | 30.4 | 29.2 | 27.8 | 24.9 | 78 | 72 | 1.3 |
| 20 | 1005.9 | 33.2 | 29.9 | 27.9 | 24.6 | 73 | 49 | - |
| 21 | 1005.2 | 32.9 | 30.1 | 28.3 | 25.4 | 76 | 56 | - |
| 22 | 1003.4 | 32.9 | 30.2 | 27.8 | 25.3 | 76 | 28 | - |
| 23 | 1002.2 | 34.0 | 31.0 | 29.0 | 25.6 | 74 | 35 | - |
| 24 | 1001.8 | 33.4 | 30.9 | 29.3 | 26.1 | 76 | 70 | - |
| 25 | 1003.1 | 32.2 | 30.3 | 29.1 | 25.7 | 77 | 69 | - |
| 26 | 1002.9 | 32.6 | 30.4 | 28.9 | 25.4 | 75 | 73 | - |
| 27 | 1001.7 | 32.1 | 29.3 | 26.1 | 25.1 | 78 | 88 | 32.3 |
| 28 | 1000.2 | 28.5 | 27.3 | 26.5 | 25.0 | 88 | 89 | 17.4 |
| 29 | 1000.1 | 28.3 | 26.9 | 25.6 | 25.5 | 92 | 91 | 51.9 |
| 30 | 1001.7 | 28.5 | 26.5 | 25.4 | 25.6 | 95 | 95 | 90.6 |
| 31 | 1003.6 | 30.6 | 29.1 | 26.9 | 25.7 | 82 | 88 | 3.6 |
| Mean/Total | 1005.4 | 31.6 | 29.2 | 27.1 | 25.2 | 80 | 70 | 318.9 |
| 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 | 2.4 | 9.61 | 4.1 | 230 | 19.6 |
| 2 | 4.5 | 11.62 | 5.1 | 120 | 14.6 |
| 3 | 2.7 | 11.66 | 2.5 | 060 | 20.0 |
| 4 | 11.9 | 24.43 | 7.5 | 070 | 13.0 |
| 5 | 10.4 | 20.34 | 5.3 | 070 | 22.6 |
| 6 | 8.5 | 21.40 | 5.5 | 220 | 9.5 |
| 7 | 11.5 | 24.20 | 6.2 | 240 | 18.5 |
| 8 | 11.8 | 24.28 | 6.1 | 200 | 11.8 |
| 9 | 11.1 | 22.13 | 5.9 | 090 | 20.8 |
| 10 | 8.2 | 16.88 | 4.4 | 100 | 24.8 |
| 11 | 2.3 | 11.88 | 2.7 | 150 | 12.5 |
| 12 | 4.0 | 15.42 | 6.7 | 100 | 6.0 |
| 13 | 8.0 | 19.17 | 3.3 | 080 | 10.3 |
| 14 | 7.8 | 19.46 | 4.6 | 060 | 12.0 |
| 15 | 6.4 | 15.91 | 3.8 | 100 | 10.6 |
| 16 | 6.2 | 11.03 | 3.3 | 010 | 10.6 |
| 17 | 7.6 | 16.80 | 3.9 | 040 | 17.2 |
| 18 | 8.8 | 9.49 | 5.1 | 090 | 16.5 |
| 19 | 4.2 | 16.97 | 3.6 | 090 | 13.5 |
| 20 | 10.7 | 20.31 | 5.3 | 070 | 15.2 |
| 21 | 8.2 | 15.94 | 4.5 | 100 | 11.8 |
| 22 | 9.6 | 18.32 | 5.2 | 230 | 6.2 |
| 23 | 9.6 | 19.56 | 5.3 | 240 | 19.0 |
| 24 | 8.4 | 18.96 | 5.6 | 230 | 17.9 |
| 25 | 7.6 | 17.70 | 4.9 | 150 | 7.3 |
| 26 | 10.2 | 18.66 | 6.5 | 040 | 12.5 |
| 27 | 3.4 | 14.01 | 5.5 | 050 | 25.1 |
| 28 | 0.1 | 4.55 | 2.3 | 060 | 46.9 |
| 29 | 0.4 | 4.79 | 2.1 | 100 | 37.6 |
| 30 | - | 1.34 | 1.8 | 090 | 20.8 |
| 31 | 1.4 | 9.43 | 6.0 | 180 | 29.5 |
| Mean/Total | 207.9 | 15.69 | 144.6 | 090 | 17.2 |
| 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 998.8 hectopascals at 0520 HKT on 29 August.
The maximum air temperature recorded at the Hong Kong Observatory was 34.0 degrees C at 1552 HKT on 23 August.
The minimum air temperature recorded at the Hong Kong Observatory was 24.3 degrees C at 2005 HKT on 2 August and at 2323 HKT on 12 August.
The maximum gust peak speed recorded at Waglan Island was 99 kilometres per hour from 100 degrees at 0006 HKT on 29 August.
The maximum instantaneous rate of rainfall recorded at King's Park was 144 millimetres per hour at 2151 HKT on 12 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.