EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, APRIL 2002
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
APRIL 2002
| Date APRIL |
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 | 1016.1 | 25.3 | 22.7 | 20.8 | 19.4 | 82 | 54 | - |
| 2 | 1013.8 | 28.3 | 24.8 | 22.2 | 21.4 | 82 | 71 | - |
| 3 | 1010.3 | 28.1 | 25.8 | 24.3 | 22.3 | 81 | 76 | - |
| 4 | 1009.7 | 28.1 | 25.8 | 24.3 | 22.4 | 82 | 72 | - |
| 5 | 1010.0 | 28.6 | 26.1 | 24.7 | 22.1 | 79 | 80 | - |
| 6 | 1010.7 | 27.8 | 25.9 | 21.3 | 22.3 | 81 | 85 | 9.2 |
| 7 | 1011.6 | 28.2 | 26.2 | 24.6 | 22.0 | 78 | 81 | - |
| 8 | 1011.8 | 28.5 | 26.4 | 24.7 | 22.1 | 78 | 61 | - |
| 9 | 1012.2 | 28.7 | 25.8 | 23.2 | 22.4 | 82 | 79 | 0.1 |
| 10 | 1013.4 | 23.4 | 22.3 | 20.6 | 20.6 | 90 | 99 | 2.9 |
| 11 | 1017.0 | 21.1 | 18.8 | 17.8 | 15.2 | 80 | 94 | Trace |
| 12 | 1018.6 | 21.9 | 19.8 | 17.8 | 15.0 | 74 | 69 | - |
| 13 | 1016.1 | 24.3 | 21.6 | 19.5 | 16.3 | 73 | 32 | - |
| 14 | 1012.6 | 26.2 | 23.4 | 21.0 | 20.6 | 84 | 60 | - |
| 15 | 1012.4 | 28.3 | 25.3 | 23.3 | 22.7 | 86 | 76 | Trace |
| 16 | 1013.1 | 28.8 | 25.7 | 24.0 | 22.9 | 85 | 76 | - |
| 17 | 1012.7 | 29.0 | 26.1 | 24.2 | 22.9 | 83 | 83 | - |
| 18 | 1015.0 | 25.3 | 23.8 | 22.9 | 21.4 | 86 | 90 | Trace |
| 19 | 1016.2 | 24.8 | 23.2 | 22.0 | 20.5 | 85 | 88 | Trace |
| 20 | 1013.1 | 27.6 | 24.9 | 23.0 | 21.7 | 83 | 52 | Trace |
| 21 | 1010.6 | 29.5 | 25.9 | 23.4 | 21.7 | 78 | 32 | - |
| 22 | 1011.0 | 29.4 | 26.5 | 24.5 | 22.8 | 80 | 56 | - |
| 23 | 1012.5 | 29.6 | 27.2 | 25.5 | 23.5 | 81 | 52 | - |
| 24 | 1011.9 | 29.7 | 27.1 | 25.2 | 23.6 | 81 | 58 | - |
| 25 | 1014.2 | 26.5 | 24.5 | 23.5 | 21.5 | 84 | 92 | Trace |
| 26 | 1014.8 | 23.8 | 22.9 | 22.4 | 20.0 | 84 | 98 | Trace |
| 27 | 1014.1 | 24.8 | 23.4 | 22.5 | 20.5 | 83 | 92 | - |
| 28 | 1013.4 | 25.8 | 24.1 | 23.1 | 21.4 | 85 | 88 | 0.2 |
| 29 | 1011.6 | 28.2 | 25.5 | 23.9 | 22.9 | 85 | 79 | Trace |
| 30 | 1010.4 | 28.6 | 26.4 | 24.9 | 23.3 | 84 | 53 | Trace |
| Mean/Total | 1013.0 | 26.9 | 24.6 | 22.8 | 21.2 | 82 | 73 | 12.4 |
| Normal | 1013.1 | 24.9 | 22.2 | 20.2 | 19.0 | 83 | 78 | 161.5 |
| Station | Hong Kong Observatory | |||||||
| Date APRIL |
Total Bright Sunshine (hours) |
Daily Global Solar Radiation (MJ/m2) |
Total Evaporation (mm) |
Prevailing Wind Direction (degrees) |
Mean Wind Speed (km/h) |
|---|---|---|---|---|---|
| 1 | 8.7 | 20.08 | 3.4 | 060 | 13.0 |
| 2 | 5.8 | 16.52 | 4.0 | 230 | 6.8 |
| 3 | 6.7 | 16.52 | 3.8 | 230 | 18.9 |
| 4 | 7.5 | 14.15 | 3.3 | 130 | 16.3 |
| 5 | 8.3 | 13.67 | 3.5 | 190 | 22.3 |
| 6 | 3.4 | 9.68 | 3.1 | 200 | 19.3 |
| 7 | 8.8 | 15.93 | 4.5 | 200 | 11.2 |
| 8 | 8.7 | 17.11 | 3.7 | 190 | 9.9 |
| 9 | 4.9 | 13.30 | 3.3 | 170 | 17.7 |
| 10 | - | 2.88 | 0.7 | 080 | 33.3 |
| 11 | - | 2.87 | 2.0 | 360 | 26.5 |
| 12 | - | 11.19 | 1.9 | 010 | 17.0 |
| 13 | 9.9 | 21.69 | 4.1 | 070 | 17.3 |
| 14 | 6.6 | 14.43 | 2.4 | 060 | 9.6 |
| 15 | 7.5 | 15.24 | 3.4 | 100 | 13.5 |
| 16 | 6.2 | 14.80 | 2.8 | 080 | 6.8 |
| 17 | 3.6 | 13.46 | 3.0 | 120 | 7.6 |
| 18 | 3.0 | 9.33 | 2.5 | 080 | 32.5 |
| 19 | 4.6 | 13.09 | 2.7 | 070 | 30.1 |
| 20 | 6.8 | 18.07 | 3.8 | 050 | 10.0 |
| 21 | 10.4 | 22.32 | 5.2 | 210 | 6.1 |
| 22 | 10.4 | 18.48 | 3.7 | 120 | 7.0 |
| 23 | 10.3 | 21.27 | 4.9 | 090 | 11.8 |
| 24 | 9.2 | 20.60 | 5.4 | 090 | 9.7 |
| 25 | - | 4.36 | 2.0 | 080 | 37.8 |
| 26 | - | 4.41 | 1.7 | 070 | 42.0 |
| 27 | 2.8 | 11.48 | 2.6 | 080 | 35.1 |
| 28 | 3.8 | 13.73 | 3.4 | 070 | 27.3 |
| 29 | 8.3 | 19.97 | 4.6 | 060 | 19.9 |
| 30 | 10.6 | 23.48 | 5.3 | 060 | 14.5 |
| Mean/Total | 176.8 | 14.47 | 100.7 | 080 | 18.4 |
| Normal | 108.9 | 13.14 | 106.9 | 080 | 19.7 |
| Station | King's Park | Waglan Island^ | |||
The minimum pressure recorded at the Hong Kong Observatory was 1007.9 hectopascals at 0406 HKT on 4 April.
The maximum air temperature recorded at the Hong Kong Observatory was 29.7 degrees C at 1259 HKT on 24 April.
The minimum air temperature recorded at the Hong Kong Observatory was 17.8 degrees C at 1845 HKT on 11 April and at 0446 HKT on 12 April.
The maximum gust peak speed recorded at Waglan Island was 56 kilometres per hour from 080 degrees at 0420 HKT on 25 April and from 070 degrees at 0856 HKT on 26 April.
The maximum instantaneous rate of rainfall recorded at King's Park was 110 millimetres per hour at 1016 HKT on 6 April.
^ 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.