EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, MARCH 1998
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
MARCH 1998
| Date MARCH |
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 | 1021.3 | 15.8 | 15.2 | 14.1 | 9.5 | 69 | 97 | Trace |
| 2 | 1020.4 | 17.2 | 15.7 | 14.8 | 10.0 | 69 | 93 | - |
| 3 | 1018.7 | 19.2 | 17.3 | 15.9 | 14.3 | 83 | 93 | - |
| 4 | 1015.7 | 20.9 | 18.2 | 17.2 | 16.4 | 90 | 77 | 14.6 |
| 5 | 1016.8 | 21.3 | 18.8 | 17.1 | 15.3 | 81 | 66 | - |
| 6 | 1015.5 | 18.7 | 17.6 | 16.4 | 14.9 | 84 | 90 | - |
| 7 | 1012.7 | 20.3 | 18.8 | 17.8 | 18.1 | 95 | 99 | Trace |
| 8 | 1010.8 | 21.3 | 19.1 | 18.3 | 18.5 | 96 | 98 | Trace |
| 9 | 1006.5 | 26.0 | 24.4 | 21.1 | 22.2 | 88 | 90 | 13.8 |
| 10 | 1010.7 | 23.3 | 17.1 | 13.0 | 14.4 | 84 | 97 | 10.6 |
| 11 | 1015.0 | 16.2 | 14.4 | 12.6 | 11.2 | 82 | 100 | 4.0 |
| 12 | 1015.9 | 16.4 | 14.6 | 12.4 | 10.9 | 79 | 93 | 2.1 |
| 13 | 1014.9 | 20.2 | 16.8 | 14.1 | 11.3 | 71 | 23 | - |
| 14 | 1012.8 | 18.6 | 17.9 | 17.4 | 15.4 | 85 | 97 | 0.3 |
| 15 | 1014.8 | 19.3 | 17.9 | 16.4 | 16.0 | 89 | 99 | 9.4 |
| 16 | 1015.6 | 19.8 | 18.1 | 17.0 | 16.5 | 90 | 94 | - |
| 17 | 1016.5 | 19.8 | 18.4 | 17.5 | 17.6 | 95 | 100 | Trace |
| 18 | 1016.4 | 18.8 | 18.0 | 17.1 | 15.9 | 88 | 99 | Trace |
| 19 | 1013.4 | 26.2 | 22.4 | 18.6 | 21.0 | 92 | 90 | Trace |
| 20 | 1012.6 | 27.6 | 23.9 | 20.8 | 22.1 | 90 | 86 | Trace |
| 21 | 1017.0 | 20.8 | 17.5 | 14.2 | 15.8 | 89 | 99 | Trace |
| 22 | 1021.5 | 16.3 | 14.9 | 13.2 | 12.2 | 84 | 100 | Trace |
| 23 | 1021.3 | 20.8 | 17.8 | 15.5 | 15.1 | 84 | 92 | - |
| 24 | 1019.2 | 22.0 | 19.1 | 16.8 | 16.5 | 85 | 69 | Trace |
| 25 | 1018.0 | 22.8 | 20.4 | 18.8 | 18.3 | 88 | 95 | 0.4 |
| 26 | 1018.8 | 22.3 | 20.5 | 19.2 | 19.2 | 92 | 98 | 0.1 |
| 27 | 1018.4 | 26.8 | 23.3 | 20.8 | 21.1 | 88 | 75 | Trace |
| 28 | 1018.4 | 26.2 | 23.4 | 21.7 | 21.5 | 90 | 78 | Trace |
| 29 | 1019.9 | 25.6 | 22.7 | 20.8 | 20.5 | 88 | 79 | Trace |
| 30 | 1019.5 | 26.3 | 22.7 | 20.7 | 19.9 | 85 | 47 | - |
| 31 | 1016.3 | 27.2 | 23.7 | 21.3 | 20.8 | 85 | 57 | Trace |
| Mean/Total | 1016.3 | 21.4 | 19.1 | 17.2 | 16.5 | 86 | 86 | 55.3 |
| Normal | 1016.2 | 21.3 | 18.5 | 16.5 | 15.0 | 81 | 76 | 66.9 |
| Station | Hong Kong Observatory | |||||||
| Date MARCH |
Total Bright Sunshine (hours) |
Daily Global Solar Radiation (MJ/m2) |
Total Evaporation (mm) |
Prevailing Wind Direction (degrees) |
Mean Wind Speed (km/h) |
|---|---|---|---|---|---|
| 1 | - | 4.57 | 2.5 | 070 | 44.4 |
| 2 | 1.4 | 10.46 | 2.8 | 060 | 42.0 |
| 3 | 0.2 | 8.67 | 1.3 | 050 | 28.1 |
| 4 | 3.2 | 6.81 | 0.8 | 030 | 16.5 |
| 5 | 7.1 | 17.86 | 4.3 | 060 | 23.9 |
| 6 | 0.3 | 9.45 | 1.9 | 070 | 39.2 |
| 7 | - | 4.46 | 0.7 | 030 | 22.3 |
| 8 | - | 5.61 | 0.7 | 020 | 20.8 |
| 9 | 1.2 | 5.05 | 2.0 | 230 | 27.3 |
| 10 | - | 2.53 | 1.1 | 360 | 29.5 |
| 11 | - | 3.54 | 0.9 | 010 | 22.2 |
| 12 | 0.1 | 5.90 | 1.3 | 360 | 13.5 |
| 13 | 9.8 | 20.39 | 3.3 | 020 | 14.9 |
| 14 | - | 3.88 | 0.9 | 030 | 23.4 |
| 15 | - | 2.44 | 2.4 | 050 | 30.4 |
| 16 | 1.0 | 12.41 | 2.2 | 040 | 24.2 |
| 17 | - | 7.37 | 1.8 | 040 | 26.7 |
| 18 | - | 4.52 | 0.8 | 050 | 32.0 |
| 19 | 4.3 | 11.37 | 1.3 | 030 | 14.7 |
| 20 | 5.7 | 11.06 | 3.0 | 030 | 10.3 |
| 21 | 0.1 | 5.45 | 2.1 | 030 | 31.0 |
| 22 | - | 4.42 | 0.9 | 070 | 39.3 |
| 23 | 4.4 | 16.49 | 2.7 | 060 | 35.4 |
| 24 | 7.0 | 17.74 | 2.8 | 050 | 27.2 |
| 25 | 2.9 | 12.50 | 2.5 | 040 | 26.2 |
| 26 | - | 6.44 | 1.4 | 060 | 31.7 |
| 27 | 7.4 | 17.82 | 3.3 | 050 | 22.0 |
| 28 | 3.1 | 10.76 | 2.3 | 050 | 20.5 |
| 29 | 6.0 | 15.36 | 2.8 | 050 | 24.8 |
| 30 | 8.9 | 21.51 | 4.1 | 050 | 22.5 |
| 31 | 8.1 | 21.02 | 4.0 | 050 | 14.4 |
| Mean/Total | 82.2 | 9.93 | 64.9 | 050 | 25.8 |
| Normal | 96.4 | 11.24 | 92.2 | 070 | 22.1 |
| Station | King's Park | Waglan Island^ | |||
The minimum pressure recorded at the Hong Kong Observatory was 1004.4 hectopascals at 1651 HKT on 9 March.
The maximum air temperature recorded at the Hong Kong Observatory was 27.6 degrees C at 1328 HKT on 20 March.
The minimum air temperature recorded at the Hong Kong Observatory was 12.4 degrees C at 0540 HKT on 12 March.
The maximum gust peak speed recorded at Waglan Island was 67 kilometres per hour from 080 degrees at 1618 HKT on 22 March.
The maximum instantaneous rate of rainfall recorded at King's Park was 122 millimetres per hour at 1110 HKT on 15 March.
^ 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.