EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, AUGUST 2003
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
AUGUST 2003
| 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 | 1004.6 | 32.6 | 29.7 | 27.8 | 24.9 | 76 | 56 | 0.1 |
| 2 | 1004.4 | 32.8 | 30.1 | 28.4 | 25.1 | 75 | 48 | - |
| 3 | 1004.3 | 33.7 | 30.4 | 28.3 | 24.8 | 73 | 48 | - |
| 4 | 1002.9 | 32.6 | 29.4 | 25.4 | 25.5 | 79 | 74 | 38.5 |
| 5 | 1000.9 | 30.7 | 28.0 | 25.0 | 24.4 | 81 | 88 | 6.2 |
| 6 | 1001.0 | 29.0 | 27.9 | 26.6 | 24.6 | 82 | 89 | 1.9 |
| 7 | 1003.6 | 32.7 | 29.5 | 27.6 | 25.2 | 78 | 74 | 1.6 |
| 8 | 1003.4 | 32.1 | 29.8 | 27.5 | 25.5 | 78 | 71 | 0.6 |
| 9 | 1002.2 | 33.0 | 30.0 | 27.7 | 25.5 | 77 | 64 | 11.8 |
| 10 | 1002.5 | 33.0 | 30.5 | 28.5 | 25.8 | 77 | 59 | 1.2 |
| 11 | 1003.8 | 31.7 | 29.8 | 27.9 | 26.3 | 82 | 72 | 5.6 |
| 12 | 1005.1 | 29.3 | 28.0 | 26.4 | 25.9 | 88 | 85 | 20.3 |
| 13 | 1006.9 | 31.3 | 29.3 | 27.4 | 25.7 | 81 | 83 | 5.6 |
| 14 | 1006.2 | 31.7 | 28.8 | 26.6 | 25.7 | 84 | 74 | 6.2 |
| 15 | 1004.8 | 32.1 | 29.7 | 28.3 | 26.1 | 81 | 82 | Trace |
| 16 | 1005.5 | 29.5 | 28.2 | 26.5 | 25.8 | 87 | 86 | 8.2 |
| 17 | 1006.9 | 30.2 | 27.8 | 25.6 | 25.8 | 89 | 83 | 33.6 |
| 18 | 1005.6 | 31.8 | 29.2 | 27.4 | 24.8 | 77 | 79 | - |
| 19 | 1002.8 | 32.1 | 29.4 | 26.0 | 25.5 | 80 | 81 | 6.4 |
| 20 | 1000.9 | 32.4 | 28.5 | 26.7 | 23.8 | 76 | 70 | 4.7 |
| 21 | 1003.8 | 28.1 | 26.7 | 25.3 | 24.8 | 90 | 92 | 72.6 |
| 22 | 1008.4 | 29.8 | 26.9 | 24.7 | 25.2 | 91 | 86 | 49.3 |
| 23 | 1006.9 | 31.3 | 28.9 | 26.5 | 25.1 | 80 | 66 | 2.0 |
| 24 | 1003.7 | 29.3 | 26.9 | 24.8 | 24.4 | 87 | 92 | 77.5 |
| 25 | 1006.4 | 28.3 | 27.0 | 25.6 | 24.9 | 89 | 95 | 60.9 |
| 26 | 1010.0 | 30.5 | 28.5 | 27.4 | 24.9 | 81 | 83 | Trace |
| 27 | 1010.1 | 31.1 | 28.7 | 27.0 | 24.8 | 80 | 65 | Trace |
| 28 | 1009.6 | 31.3 | 28.7 | 27.0 | 24.3 | 77 | 46 | - |
| 29 | 1010.4 | 31.2 | 29.0 | 27.2 | 23.8 | 74 | 36 | - |
| 30 | 1009.2 | 31.4 | 29.2 | 27.4 | 24.3 | 76 | 28 | - |
| 31 | 1007.4 | 32.1 | 29.6 | 27.8 | 24.6 | 75 | 55 | 0.2 |
| Mean/Total | 1005.3 | 31.2 | 28.8 | 26.8 | 25.1 | 81 | 71 | 415.0 |
| 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 | 6.4 | 18.14 | 4.9 | 210 | 11.8 |
| 2 | 6.9 | 11.38 | 3.6 | 160 | 8.4 |
| 3 | 8.2 | 14.96 | 4.2 | 230 | 7.7 |
| 4 | 7.2 | 18.25 | 4.5 | 230 | 22.9 |
| 5 | 1.0 | 10.07 | 2.8 | 200 | 9.6 |
| 6 | 0.5 | 6.76 | 1.7 | 230 | 9.2 |
| 7 | 9.2 | 18.28 | 4.5 | 180 | 12.3 |
| 8 | 9.2 | 17.95 | 6.2 | 200 | 15.8 |
| 9 | 10.2 | 22.56 | 5.2 | 220 | 15.3 |
| 10 | 11.2 | 23.65 | 6.9 | 230 | 15.3 |
| 11 | 6.2 | 12.28 | 3.7 | 110 | 8.5 |
| 12 | 3.6 | 13.14 | 2.6 | 110 | 23.0 |
| 13 | 5.4 | 12.13 | 4.4 | 190 | 22.6 |
| 14 | 3.5 | 11.46 | 2.0 | 230 | 16.8 |
| 15 | 6.0 | 17.65 | 3.5 | 240 | 16.9 |
| 16 | 0.2 | 6.80 | 1.9 | 060 | 7.8 |
| 17 | 6.1 | 17.65 | 3.3 | 060 | 19.5 |
| 18 | 6.5 | 17.12 | 4.9 | 030 | 8.7 |
| 19 | 8.4 | 17.81 | 4.5 | 090 | 13.7 |
| 20 | 8.8 | 19.16 | 5.0 | 020 | 16.2 |
| 21 | - | 4.20 | 3.3# | 300 | 6.7 |
| 22 | 3.7 | 13.48 | 1.6# | 110 | 17.5 |
| 23 | 9.2 | 19.30 | 6.9 | 080 | 27.1 |
| 24 | 2.8 | 11.33 | 5.8# | 090 | 58.8 |
| 25 | - | 4.05 | 2.1 | 130 | 50.1 |
| 26 | 6.8 | 15.07 | 2.7 | 150 | 32.0 |
| 27 | 8.8 | 18.14 | 4.6 | 160 | 16.1 |
| 28 | 7.7 | 14.15 | 4.5 | 160 | 10.9 |
| 29 | 11.3 | 22.16 | 4.8 | 210 | 7.0 |
| 30 | 11.4 | 22.37 | 5.5 | 220 | 9.5 |
| 31 | 10.5 | 21.26 | 5.9 | 240 | 14.4 |
| Mean/Total | 196.9 | 15.25 | 128.0 | 230 | 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 998.3 hectopascals at 1635 HKT on 5 August.
The maximum air temperature recorded at the Hong Kong Observatory was 33.7 degrees C at 1508 HKT on 3 August.
The minimum air temperature recorded at the Hong Kong Observatory was 24.7 degrees C at 0604 HKT on 22 August.
The maximum gust peak speed recorded at Waglan Island was 122 kilometres per hour from 090 degrees at 1430 HKT on 24 August.
The maximum instantaneous rate of rainfall recorded at King's Park was 194 millimetres per hour at 0350 HKT on 24 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.
# Observational data not available, value estimated.