EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, AUGUST 2002
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
AUGUST 2002
| 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 | 1004.4 | 31.5 | 28.8 | 25.8 | 24.5 | 79 | 39 | Trace |
| 2 | 1002.8 | 31.6 | 29.2 | 26.2 | 25.4 | 80 | 86 | Trace |
| 3 | 999.2 | 30.0 | 27.6 | 25.9 | 25.1 | 87 | 87 | 13.3 |
| 4 | 993.2 | 28.4 | 27.1 | 25.9 | 24.4 | 86 | 88 | 19.4 |
| 5 | 994.2 | 29.8 | 27.1 | 25.1 | 24.1 | 84 | 90 | 6.2 |
| 6 | 1000.6 | 29.0 | 27.8 | 24.2 | 24.9 | 84 | 92 | 43.7 |
| 7 | 1003.2 | 30.0 | 28.7 | 27.5 | 25.2 | 82 | 87 | 1.2 |
| 8 | 1003.8 | 30.6 | 28.9 | 27.9 | 25.2 | 81 | 88 | Trace |
| 9 | 1004.8 | 28.9 | 26.6 | 24.7 | 25.1 | 92 | 93 | 91.7 |
| 10 | 1007.0 | 28.2 | 26.2 | 24.4 | 25.1 | 94 | 89 | 90.5 |
| 11 | 1009.3 | 30.1 | 27.7 | 26.2 | 25.7 | 89 | 83 | 3.0 |
| 12 | 1009.7 | 30.9 | 28.3 | 26.6 | 25.4 | 84 | 78 | 0.8 |
| 13 | 1008.1 | 31.1 | 28.6 | 27.0 | 25.0 | 81 | 63 | - |
| 14 | 1005.9 | 31.1 | 28.7 | 27.3 | 24.9 | 80 | 61 | - |
| 15 | 1004.0 | 31.5 | 29.0 | 27.0 | 24.5 | 77 | 76 | - |
| 16 | 1002.5 | 30.4 | 29.0 | 28.2 | 24.4 | 76 | 88 | Trace |
| 17 | 1002.4 | 30.5 | 28.9 | 27.7 | 24.6 | 78 | 88 | 1.0 |
| 18 | 1002.4 | 28.5 | 27.2 | 25.6 | 24.7 | 87 | 89 | 51.6 |
| 19 | 1002.5 | 28.3 | 27.2 | 25.7 | 25.2 | 89 | 88 | 26.8 |
| 20 | 1007.2 | 29.4 | 27.5 | 26.1 | 25.8 | 91 | 87 | 14.6 |
| 21 | 1010.8 | 30.1 | 28.0 | 26.7 | 25.8 | 88 | 68 | Trace |
| 22 | 1011.0 | 31.5 | 29.0 | 26.9 | 25.0 | 80 | 37 | - |
| 23 | 1010.9 | 31.4 | 29.1 | 27.2 | 23.7 | 73 | 25 | - |
| 24 | 1010.4 | 32.1 | 29.1 | 27.2 | 24.2 | 76 | 26 | - |
| 25 | 1008.5 | 32.1 | 29.3 | 27.6 | 24.3 | 75 | 47 | Trace |
| 26 | 1007.1 | 31.6 | 29.3 | 27.8 | 25.3 | 79 | 61 | Trace |
| 27 | 1006.8 | 32.4 | 29.7 | 28.3 | 25.6 | 79 | 71 | 0.4 |
| 28 | 1007.8 | 33.0 | 29.5 | 26.9 | 24.4 | 75 | 38 | - |
| 29 | 1007.2 | 32.8 | 29.8 | 27.4 | 23.2 | 69 | 16 | - |
| 30 | 1005.7 | 32.9 | 29.6 | 27.2 | 25.0 | 77 | 35 | 1.7 |
| 31 | 1005.9 | 31.8 | 29.2 | 27.8 | 24.8 | 77 | 38 | - |
| Mean/Total | 1005.1 | 30.7 | 28.4 | 26.6 | 24.8 | 81 | 68 | 365.9 |
| 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 | 10.9 | 18.96 | 4.3 | 240 | 8.0 |
| 2 | 5.3 | 16.30 | 4.8 | 060 | 7.4 |
| 3 | 1.0 | 8.92 | 1.3 | 030 | 20.5 |
| 4 | 1.7 | 10.09 | 1.8 | 020 | 47.5 |
| 5 | 0.1 | 7.29 | 3.3 | 240 | 37.6 |
| 6 | - | 2.80 | 2.6 | 220 | 45.6 |
| 7 | 3.2 | 13.10 | 3.4 | 220 | 33.3 |
| 8 | 0.7 | 9.91 | 3.0 | 210 | 16.4 |
| 9 | 0.1 | 1.41 | 2.9 | 180 | 14.5 |
| 10 | 1.0 | 6.32 | 1.6 | 050 | 6.5 |
| 11 | 8.8 | 22.56 | 4.7 | 070 | 15.8 |
| 12 | 9.4 | 21.56 | 5.2 | 070 | 16.4 |
| 13 | 11.5 | 23.30 | 5.6 | 060 | 16.8 |
| 14 | 9.9 | 20.27 | 4.8 | 050 | 17.1 |
| 15 | 8.1 | 21.89 | 5.6 | 050 | 21.3 |
| 16 | 4.3 | 15.25 | 4.8 | 070 | 32.3 |
| 17 | 5.1 | 16.79 | 4.9 | 070 | 37.8 |
| 18 | 1.6 | 7.25 | 3.1 | 080 | 47.2 |
| 19 | 1.6 | 7.90 | 2.4 | 110 | 40.0 |
| 20 | 3.2 | 9.88 | 2.2 | 110 | 29.7 |
| 21 | 7.0 | 15.36 | 3.3 | 090 | 13.2 |
| 22 | 10.4 | 20.35 | 4.9 | 090 | 7.0 |
| 23 | 10.6 | 22.84 | 6.0 | 230 | 14.2 |
| 24 | 11.6 | 24.33 | 6.2 | 230 | 19.5 |
| 25 | 10.8 | 24.17 | 6.6 | 240 | 25.1 |
| 26 | 11.0 | 22.16 | 5.9 | 240 | 23.7 |
| 27 | 9.5 | 22.12 | 5.9 | 240 | 23.3 |
| 28 | 10.4 | 21.32 | 5.8 | 220 | 13.5 |
| 29 | 11.4 | 22.05 | 5.7 | 250 | 15.5 |
| 30 | 6.1 | 15.09 | 4.2 | 270 | 15.5 |
| 31 | 3.0 | 11.82 | 3.1 | 240 | 11.5* |
| Mean/Total | 189.3 | 15.59 | 129.9 | 230 | 22.4 |
| 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 990.1 hectopascals at 1650 HKT on 4 August.
The maximum air temperature recorded at the Hong Kong Observatory was 33.0 degrees C at 1601 HKT on 28 August.
The minimum air temperature recorded at the Hong Kong Observatory was 24.2 degrees C at 0824 HKT on 6 August.
The maximum gust peak speed recorded at Waglan Island was 85 kilometres per hour from 030 degrees at 1451 HKT on 4 August.
The maximum instantaneous rate of rainfall recorded at King's Park was 171 millimetres per hour at 0806 HKT on 6 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.
* Wind data recorded at Cheung Chau were used for 31 August due to malfunction of A/C supply at Waglan Island.