EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, MARCH 2003
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
MARCH 2003
| 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 | 1012.6 | 24.9 | 22.3 | 20.5 | 19.7 | 86 | 56 | - |
| 2 | 1011.9 | 22.8 | 21.5 | 20.4 | 19.5 | 89 | 82 | Trace |
| 3 | 1009.6 | 23.6 | 21.9 | 20.4 | 19.9 | 89 | 83 | 0.3 |
| 4 | 1009.4 | 23.1 | 20.0 | 17.7 | 18.5 | 91 | 89 | 5.5 |
| 5 | 1009.6 | 19.2 | 18.1 | 17.2 | 17.2 | 94 | 99 | 10.7 |
| 6 | 1012.6 | 19.6 | 16.8 | 12.7 | 14.9 | 89 | 93 | 7.7 |
| 7 | 1018.3 | 16.0 | 13.9 | 11.5 | 7.8 | 67 | 81 | - |
| 8 | 1021.9 | 16.8 | 14.7 | 12.4 | 7.7 | 63 | 82 | - |
| 9 | 1023.1 | 15.8 | 15.1 | 13.9 | 9.6 | 70 | 90 | 0.7 |
| 10 | 1023.3 | 17.5 | 15.2 | 12.9 | 11.7 | 80 | 84 | 1.5 |
| 11 | 1023.0 | 18.0 | 16.4 | 14.6 | 10.0 | 66 | 38 | - |
| 12 | 1023.1 | 19.9 | 17.8 | 16.3 | 14.4 | 80 | 59 | - |
| 13 | 1023.2 | 21.4 | 19.1 | 17.5 | 15.5 | 80 | 44 | - |
| 14 | 1020.9 | 19.6 | 18.2 | 16.8 | 14.8 | 81 | 85 | - |
| 15 | 1015.4 | 21.7 | 20.2 | 18.5 | 17.3 | 83 | 88 | Trace |
| 16 | 1015.3 | 24.4 | 22.1 | 20.6 | 19.9 | 88 | 56 | - |
| 17 | 1016.0 | 26.6 | 23.2 | 21.1 | 20.6 | 86 | 48 | - |
| 18 | 1018.1 | 23.0 | 20.3 | 17.9 | 18.3 | 89 | 77 | Trace |
| 19 | 1019.1 | 18.1 | 16.9 | 16.1 | 14.2 | 84 | 88 | Trace |
| 20 | 1017.8 | 16.4 | 15.5 | 14.5 | 13.4 | 88 | 88 | 8.7 |
| 21 | 1019.8 | 18.7 | 16.8 | 14.7 | 13.9 | 84 | 86 | 0.1 |
| 22 | 1021.1 | 18.8 | 17.7 | 16.2 | 12.6 | 73 | 88 | 0.4 |
| 23 | 1020.3 | 18.8 | 17.9 | 17.2 | 14.0 | 78 | 90 | 0.7 |
| 24 | 1018.8 | 21.4 | 18.9 | 16.8 | 16.9 | 89 | 90 | 2.3 |
| 25 | 1019.1 | 22.5 | 20.2 | 18.4 | 17.1 | 83 | 75 | - |
| 26 | 1017.8 | 23.3 | 21.0 | 18.7 | 16.0 | 74 | 78 | - |
| 27 | 1014.8 | 26.6 | 23.3 | 21.2 | 20.3 | 84 | 67 | - |
| 28 | 1013.5 | 22.6 | 20.6 | 19.2 | 18.3 | 86 | 68 | Trace |
| 29 | 1013.3 | 21.7 | 19.9 | 18.7 | 17.2 | 85 | 88 | Trace |
| 30 | 1013.3 | 22.2 | 20.9 | 20.1 | 18.9 | 88 | 88 | - |
| 31 | 1010.9 | 26.7 | 24.0 | 21.3 | 21.2 | 85 | 88 | Trace |
| Mean/Total | 1017.0 | 21.0 | 19.0 | 17.3 | 15.9 | 82 | 78 | 38.6 |
| 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 | 6.6 | 14.62 | 2.8 | 030 | 9.3 |
| 2 | 3.5 | 10.69 | 2.3 | 070 | 23.9 |
| 3 | 2.9 | 9.86 | 1.2 | 050 | 12.8 |
| 4 | 0.1 | 3.25 | 2.2 | 080 | 37.2 |
| 5 | - | 1.56 | 2.5 | 040 | 32.9 |
| 6 | - | 2.62 | 1.9 | 360 | 20.0 |
| 7 | 1.6 | 10.72 | 3.2 | 010 | 27.0 |
| 8 | 5.0 | 14.86 | 3.8 | 010 | 28.4 |
| 9 | 0.7 | 5.88 | 1.3 | 060 | 36.7 |
| 10 | 2.6 | 12.05 | 3.3 | 070 | 30.6 |
| 11 | 10.2 | 20.50 | 3.9 | 090 | 31.1* |
| 12 | 3.7 | 13.43 | 2.4 | 060 | 31.0 |
| 13 | 8.0 | 19.25 | 4.1 | 060 | 24.7 |
| 14 | 0.7 | 8.62 | 1.9 | 060 | 35.3 |
| 15 | 0.2 | 8.53 | 1.6 | 040 | 15.3 |
| 16 | 8.4 | 18.86 | 3.2 | 040 | 11.6 |
| 17 | 8.3 | 17.57 | 3.5 | 050 | 9.1 |
| 18 | 0.2 | 4.45 | 1.9 | 060 | 25.5 |
| 19 | - | 3.65 | 1.1 | 040 | 28.4 |
| 20 | - | 2.14 | 0.4 | 020 | 23.5 |
| 21 | - | 7.88 | 1.5 | 020 | 20.6 |
| 22 | 1.3 | 9.66 | 2.6 | 070 | 36.8 |
| 23 | - | 4.13 | 1.0 | 060 | 26.0 |
| 24 | 0.7 | 7.63 | 0.8 | 050 | 14.6 |
| 25 | 7.5 | 19.33 | 4.2 | 040 | 19.7 |
| 26 | 6.7 | 16.68 | 3.4 | 050 | 18.0 |
| 27 | 5.1 | 17.21 | 3.2 | 030 | 9.0 |
| 28 | - | 9.56 | 2.9 | 040 | 17.8 |
| 29 | 0.7 | 10.14 | 1.8 | 050 | 19.9 |
| 30 | 0.5 | 8.35 | 1.6 | 040 | 16.0 |
| 31 | 3.6 | 10.68 | 2.5 | 140 | 9.7 |
| Mean/Total | 88.8 | 10.46 | 74.0 | 050 | 22.7 |
| 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 1006.7 hectopascals at 1558 HKT on 3 March.
The maximum air temperature recorded at the Hong Kong Observatory was 26.7 degrees C at 1408 HKT on 31 March.
The minimum air temperature recorded at the Hong Kong Observatory was 11.5 degrees C at 0651 HKT on 7 March.
The maximum gust peak speed recorded at Waglan Island was 75 kilometres per hour from 090 degrees at 2140 HKT on 4 March.
The maximum instantaneous rate of rainfall recorded at King's Park was 55 millimetres per hour at 1550 HKT on 6 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.
* Wind data recorded at Cheung Chau were used due to malfunction of power supply at Waglan Island.