EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, MARCH 2004
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
MARCH 2004
| 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 | 1008.5 | 25.5 | 24.2 | 23.1 | 21.0 | 83 | 84 | Trace |
| 2 | 1010.7 | 23.7 | 17.9 | 15.3 | 16.1 | 89 | 93 | 1.3 |
| 3 | 1017.0 | 16.0 | 14.7 | 13.7 | 8.0 | 65 | 81 | 0.2 |
| 4 | 1018.7 | 17.6 | 15.5 | 13.3 | 7.3 | 58 | 34 | - |
| 5 | 1017.9 | 20.5 | 17.8 | 15.5 | 12.2 | 70 | 59 | - |
| 6 | 1021.1 | 22.0 | 19.1 | 17.4 | 11.0 | 60 | 58 | - |
| 7 | 1027.0 | 19.5 | 17.8 | 16.5 | 10.6 | 63 | 71 | - |
| 8 | 1026.8 | 19.2 | 16.8 | 15.1 | 11.5 | 71 | 15 | - |
| 9 | 1019.6 | 21.0 | 18.1 | 15.7 | 13.4 | 75 | 2 | - |
| 10 | 1014.2 | 23.6 | 20.1 | 17.2 | 16.2 | 79 | 52 | - |
| 11 | 1012.6 | 26.2 | 22.5 | 20.5 | 17.9 | 76 | 55 | - |
| 12 | 1014.0 | 26.1 | 23.0 | 21.4 | 19.3 | 80 | 56 | - |
| 13 | 1017.4 | 21.9 | 19.4 | 18.7 | 17.1 | 87 | 90 | Trace |
| 14 | 1018.0 | 21.1 | 19.8 | 18.8 | 16.7 | 82 | 84 | - |
| 15 | 1017.1 | 21.2 | 19.7 | 18.8 | 16.2 | 80 | 84 | Trace |
| 16 | 1014.2 | 21.9 | 20.2 | 18.7 | 17.3 | 84 | 88 | Trace |
| 17 | 1013.9 | 25.2 | 22.3 | 20.2 | 20.7 | 91 | 84 | 0.5 |
| 18 | 1016.1 | 23.2 | 20.8 | 19.1 | 18.6 | 87 | 89 | Trace |
| 19 | 1015.5 | 20.5 | 18.9 | 17.7 | 14.4 | 75 | 88 | - |
| 20 | 1013.8 | 22.3 | 19.9 | 18.6 | 15.4 | 75 | 85 | - |
| 21 | 1013.7 | 22.3 | 20.1 | 18.5 | 15.6 | 75 | 79 | - |
| 22 | 1014.0 | 21.2 | 19.8 | 18.0 | 15.1 | 74 | 77 | Trace |
| 23 | 1013.4 | 19.8 | 18.8 | 18.1 | 15.4 | 81 | 90 | Trace |
| 24 | 1012.4 | 19.1 | 18.5 | 18.2 | 15.8 | 84 | 95 | 0.1 |
| 25 | 1011.1 | 18.2 | 17.8 | 17.4 | 17.1 | 96 | 98 | 8.3 |
| 26 | 1014.6 | 18.0 | 16.7 | 15.9 | 15.2 | 91 | 90 | 3.2 |
| 27 | 1016.8 | 17.7 | 16.9 | 15.7 | 15.0 | 89 | 92 | 0.1 |
| 28 | 1015.2 | 18.8 | 18.0 | 16.9 | 16.4 | 91 | 99 | 0.1 |
| 29 | 1014.3 | 19.2 | 18.4 | 18.0 | 17.4 | 94 | 98 | 0.4 |
| 30 | 1014.9 | 21.7 | 19.8 | 18.8 | 18.7 | 94 | 91 | 89.0 |
| 31 | 1015.9 | 19.4 | 18.9 | 18.3 | 17.6 | 92 | 95 | 1.1 |
| Mean/Total | 1015.8 | 21.1 | 19.1 | 17.7 | 15.5 | 80 | 76 | 104.3 |
| 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 | 2.3 | 7.03 | 2.7 | 180 | 17.9 |
| 2 | - | 1.92 | 0.6 | 060 | 33.5 |
| 3 | 0.5 | 6.68 | 3.3 | 010 | 40.7 |
| 4 | 7.4 | 15.65 | 2.5 | 060 | 23.0 |
| 5 | 7.1 | 14.60 | 2.6 | 080 | 17.9 |
| 6 | 7.8 | 17.11 | 5.6 | 080 | 28.3 |
| 7 | 6.1 | 16.21 | 3.9 | 070 | 44.4 |
| 8 | 8.2 | 16.35 | 3.0 | 070 | 27.2 |
| 9 | 9.4 | 18.17 | 3.0 | 050 | 11.0 |
| 10 | 8.7 | 16.34 | 2.2 | 040 | 5.9 |
| 11 | 9.1 | 18.86 | 3.7 | 050 | 6.6 |
| 12 | 6.4 | 15.96 | 3.9 | 030 | 6.8 |
| 13 | - | 3.01 | 1.4 | 070 | 28.8 |
| 14 | - | 4.44 | 1.3 | 060 | 13.2 |
| 15 | 3.3 | 12.71 | 2.8 | 070 | 25.1 |
| 16 | 1.4 | 10.57 | 2.4 | 060 | 19.8 |
| 17 | 3.5 | 11.01 | 1.8 | 040 | 17.8 |
| 18 | - | 4.88 | 2.5 | 090 | 30.9 |
| 19 | 0.1 | 8.47 | 2.4 | 070 | 33.8 |
| 20 | 5.6 | 15.40 | 3.4 | 080 | 23.0 |
| 21 | 4.2 | 12.62 | 2.8 | 080 | 18.8 |
| 22 | 4.1 | 12.09 | 3.1 | 010 | 17.9 |
| 23 | 0.3 | 7.08 | 3.0 | 070 | 32.3 |
| 24 | - | 3.74 | 0.5 | 070 | 34.2 |
| 25 | - | 1.88 | 0.1 | 050 | 26.6 |
| 26 | - | 2.95 | 0.7 | 020 | 22.7 |
| 27 | - | 2.62 | 0.7 | 040 | 21.3 |
| 28 | - | 3.53 | 0.5 | 040 | 17.3 |
| 29 | - | 3.10 | 0.8 | 040 | 20.0 |
| 30 | - | 4.20 | 1.0# | 360 | 8.8* |
| 31 | - | 4.01 | 0.5 | 090 | 28.4* |
| Mean/Total | 95.5 | 9.46 | 68.7 | 070 | 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 1005.8 hectopascals at 1521 HKT on 1 March.
The maximum air temperature recorded at the Hong Kong Observatory was 26.2 degrees C at 1323 HKT on 11 March.
The minimum air temperature recorded at the Hong Kong Observatory was 13.3 degrees C at 0706 HKT on 4 March.
The maximum gust peak speed recorded at Waglan Island was 76 kilometres per hour from 070 degrees at 0113 HKT
and from 080 degrees at 0151 HKT on 7 March.
The maximum instantaneous rate of rainfall recorded at King's Park was 120 millimetres per hour at 1828 HKT on 30 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.
# Values estimated from incomplete data.
* Wind data recorded at Cheung Chau were used due to interruption of power supply at Waglan Island.