EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, APRIL 2000
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
APRIL 2000
| 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 | 1007.1 | 27.0 | 24.1 | 21.6 | 21.7 | 87 | 86 | 1.5 |
| 2 | 1009.5 | 22.7 | 21.3 | 20.7 | 19.6 | 90 | 92 | 47.9 |
| 3 | 1009.2 | 24.8 | 22.4 | 20.8 | 21.5 | 95 | 93 | 124.2 |
| 4 | 1010.1 | 21.8 | 21.0 | 20.2 | 19.8 | 93 | 92 | 0.3 |
| 5 | 1012.4 | 23.6 | 21.9 | 19.7 | 18.5 | 81 | 86 | 2.3 |
| 6 | 1015.4 | 20.7 | 20.1 | 19.2 | 15.6 | 76 | 89 | Trace |
| 7 | 1015.9 | 21.8 | 20.7 | 19.1 | 16.8 | 79 | 95 | Trace |
| 8 | 1014.6 | 21.5 | 21.1 | 20.5 | 18.3 | 84 | 92 | Trace |
| 9 | 1013.0 | 24.4 | 22.0 | 19.9 | 19.1 | 84 | 77 | Trace |
| 10 | 1013.8 | 26.0 | 23.2 | 21.8 | 20.7 | 86 | 91 | 0.3 |
| 11 | 1015.4 | 22.3 | 21.2 | 20.7 | 17.4 | 79 | 86 | Trace |
| 12 | 1012.1 | 24.2 | 22.0 | 20.1 | 19.2 | 84 | 90 | 0.8 |
| 13 | 1008.9 | 23.9 | 23.1 | 22.3 | 21.9 | 93 | 88 | 16.8 |
| 14 | 1006.7 | 26.3 | 24.4 | 21.7 | 22.7 | 91 | 91 | 60.8 |
| 15 | 1012.1 | 24.9 | 22.2 | 20.7 | 17.0 | 73 | 83 | 2.1 |
| 16 | 1015.1 | 24.6 | 21.3 | 19.0 | 13.5 | 62 | 49 | - |
| 17 | 1015.3 | 24.3 | 21.7 | 20.0 | 16.8 | 74 | 76 | - |
| 18 | 1013.7 | 25.4 | 23.1 | 21.2 | 19.6 | 81 | 76 | - |
| 19 | 1010.9 | 28.2 | 25.1 | 22.8 | 22.3 | 85 | 65 | Trace |
| 20 | 1009.0 | 28.8 | 26.3 | 24.7 | 22.8 | 81 | 67 | - |
| 21 | 1009.7 | 26.8 | 25.8 | 24.9 | 24.0 | 90 | 85 | 0.7 |
| 22 | 1009.4 | 28.8 | 26.4 | 24.2 | 23.6 | 85 | 86 | 16.5 |
| 23 | 1009.2 | 25.8 | 23.4 | 22.7 | 22.9 | 97 | 96 | 172.5 |
| 24 | 1008.5 | 22.8 | 22.4 | 21.9 | 21.2 | 93 | 96 | 1.0 |
| 25 | 1006.3 | 30.2 | 26.3 | 22.4 | 23.5 | 85 | 85 | 0.1 |
| 26 | 1006.7 | 29.8 | 26.8 | 23.8 | 24.2 | 86 | 89 | 33.3 |
| 27 | 1010.1 | 25.9 | 23.6 | 21.0 | 21.3 | 87 | 88 | 1.9 |
| 28 | 1010.9 | 21.9 | 20.7 | 19.9 | 19.7 | 94 | 92 | 54.2 |
| 29 | 1011.7 | 24.6 | 22.6 | 20.9 | 21.7 | 95 | 91 | 9.9 |
| 30 | 1010.1 | 29.1 | 26.3 | 23.3 | 24.1 | 89 | 87 | 0.6 |
| Mean/Total | 1011.1 | 25.1 | 23.1 | 21.4 | 20.4 | 85 | 85 | 547.7 |
| 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 | 2.7 | 9.98 | 2.8 | 140 | 13.4 |
| 2 | - | 4.93 | 2.0 | 030 | 18.4 |
| 3 | - | 3.06 | 2.3 | 060 | 24.5 |
| 4 | - | 2.42 | 0.7 | 050 | 12.8 |
| 5 | 1.3 | 8.31 | 1.1 | 020 | 19.8 |
| 6 | 0.1 | 7.22 | 2.5 | 080 | 44.7 |
| 7 | 0.4 | 7.74 | 1.8 | 070 | 30.8 |
| 8 | - | 6.35 | 1.7 | 080 | 34.8 |
| 9 | 4.4 | 15.93 | 2.8 | 040 | 20.3 |
| 10 | 0.7 | 5.24 | 1.7 | 020 | 15.4 |
| 11 | 2.7 | 11.21 | 2.8 | 070 | 38.3 |
| 12 | 1.7 | 13.07 | 2.5 | 050 | 14.5 |
| 13 | - | 5.24 | 2.5 | 030 | 12.1 |
| 14 | - | 4.48 | 3.0 | 230 | 28.8 |
| 15 | 3.3 | 13.81 | 4.5 | 010 | 29.0 |
| 16 | 10.0 | 24.17 | 5.5 | 090 | 21.9 |
| 17 | 7.5 | 19.99 | 4.4 | 070 | 32.2 |
| 18 | 7.6 | 21.98 | 4.6 | 050 | 23.5 |
| 19 | 6.7 | 16.93 | 3.3 | 020 | 9.1 |
| 20 | 10.0 | 22.20 | 5.2 | 230 | 8.5 |
| 21 | 0.2 | 6.31 | 0.9 | 240 | 7.3 |
| 22 | 5.8 | 16.09 | 2.5 | 210 | 10.1 |
| 23 | - | 2.64 | 0.8 | 070 | 19.1 |
| 24 | - | 7.01 | 1.4 | 060 | 28.8 |
| 25 | 5.8 | 14.29 | 2.7 | 220 | 19.9 |
| 26 | 0.4 | 6.16 | 4.8 | 220 | 25.5 |
| 27 | 0.9 | 7.65 | 2.2 | 060 | 24.4 |
| 28 | - | 2.75 | 3.0 | 070 | 38.4 |
| 29 | 0.5 | 8.30 | 1.0 | 030 | 17.6 |
| 30 | 4.6 | 15.14 | 2.9 | 030 | 10.1 |
| Mean/Total | 77.3 | 10.35 | 79.9 | 070 | 21.8 |
| 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 1004.2 hectopascals at 1638 HKT on 25 April.
The maximum air temperature recorded at the Hong Kong Observatory was 30.2 degrees C at 1528 HKT on 25 April.
The minimum air temperature recorded at the Hong Kong Observatory was 19.0 degrees C at 0631 HKT on 16 April.
The maximum gust peak speed recorded at Waglan Island was 81 kilometres per hour from 260 degrees at 1438 HKT on 14 April.
The maximum instantaneous rate of rainfall recorded at King's Park was 279 millimetres per hour at 0044 HKT on 23 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.