EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, MARCH 1997
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
MARCH 1997
| 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 | 1015.6 | 24.8 | 20.6 | 18.2 | 17.1 | 81 | 34 | Trace |
| 2 | 1019.6 | 21.1 | 18.2 | 15.7 | 13.4 | 74 | 69 | - |
| 3 | 1023.3 | 19.0 | 16.1 | 14.2 | 10.3 | 69 | 51 | - |
| 4 | 1022.5 | 20.0 | 17.1 | 14.5 | 11.1 | 69 | 32 | - |
| 5 | 1020.4 | 21.0 | 18.4 | 16.6 | 13.1 | 72 | 42 | - |
| 6 | 1019.0 | 23.8 | 20.4 | 17.9 | 16.1 | 76 | 17 | - |
| 7 | 1019.4 | 25.1 | 21.4 | 18.8 | 17.4 | 79 | 26 | - |
| 8 | 1019.0 | 25.2 | 21.7 | 19.8 | 18.1 | 80 | 43 | - |
| 9 | 1018.9 | 21.5 | 20.0 | 18.9 | 17.2 | 84 | 76 | - |
| 10 | 1018.3 | 25.0 | 22.0 | 20.0 | 18.5 | 81 | 46 | Trace |
| 11 | 1017.1 | 24.9 | 22.1 | 20.5 | 19.1 | 84 | 63 | - |
| 12 | 1014.7 | 23.9 | 21.9 | 20.5 | 20.1 | 90 | 85 | - |
| 13 | 1013.0 | 25.9 | 23.0 | 21.4 | 20.0 | 84 | 63 | Trace |
| 14 | 1012.8 | 26.2 | 23.4 | 21.5 | 20.3 | 83 | 81 | - |
| 15 | 1013.8 | 27.1 | 23.9 | 21.5 | 20.3 | 81 | 32 | - |
| 16 | 1016.0 | 22.9 | 21.3 | 20.0 | 19.3 | 89 | 89 | 0.3 |
| 17 | 1018.7 | 20.2 | 18.8 | 18.0 | 15.9 | 83 | 99 | Trace |
| 18 | 1017.0 | 19.8 | 19.0 | 18.3 | 15.8 | 82 | 98 | Trace |
| 19 | 1012.6 | 24.0 | 20.7 | 18.7 | 18.0 | 85 | 91 | 7.8 |
| 20 | 1013.4 | 20.0 | 18.6 | 16.4 | 15.3 | 82 | 95 | 7.1 |
| 21 | 1011.6 | 20.5 | 19.2 | 17.9 | 18.1 | 93 | 100 | 1.8 |
| 22 | 1011.0 | 21.1 | 19.0 | 17.4 | 17.8 | 93 | 100 | 4.4 |
| 23 | 1016.0 | 18.0 | 16.8 | 15.3 | 14.1 | 84 | 97 | 2.7 |
| 24 | 1019.5 | 18.7 | 17.2 | 16.4 | 11.6 | 71 | 93 | 0.2 |
| 25 | 1018.9 | 20.1 | 18.3 | 16.2 | 14.7 | 80 | 92 | 0.2 |
| 26 | 1019.1 | 25.0 | 21.3 | 18.9 | 17.7 | 81 | 61 | - |
| 27 | 1018.6 | 21.6 | 19.8 | 18.7 | 16.1 | 80 | 84 | Trace |
| 28 | 1014.9 | 20.0 | 18.9 | 18.2 | 17.2 | 90 | 97 | 6.4 |
| 29 | 1014.7 | 22.8 | 20.6 | 19.1 | 19.3 | 93 | 80 | 3.9 |
| 30 | 1017.9 | 24.7 | 21.6 | 19.6 | 18.4 | 82 | 20 | - |
| 31 | 1017.9 | 22.9 | 20.6 | 19.1 | 17.0 | 80 | 69 | - |
| Mean/Total | 1016.9 | 22.5 | 20.1 | 18.3 | 16.7 | 82 | 68 | 34.8 |
| 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 | 9.6 | 17.13 | 3.4 | 060 | 16.0 |
| 2 | 4.3 | 10.65 | 3.0 | 060 | 31.2 |
| 3 | 2.6 | 9.35 | 3.8 | 010 | 26.7 |
| 4 | 7.7 | 17.90 | 3.0 | 070 | 25.8 |
| 5 | 7.5 | 17.23 | 3.4 | 060 | 24.1 |
| 6 | 9.5 | 18.64 | 2.9 | 030 | 13.8 |
| 7 | 9.2 | 19.20 | 3.8 | 020 | 11.4 |
| 8 | 9.5 | 18.55 | 3.0 | 060 | 19.8 |
| 9 | 3.1 | 9.70 | 2.2 | 050 | 25.0 |
| 10 | 8.2 | 17.29 | 3.7 | 050 | 21.7 |
| 11 | 6.4 | 15.35 | 2.7 | 060 | 18.6 |
| 12 | 5.1 | 13.90 | 2.5 | 040 | 13.3 |
| 13 | 6.9 | 14.93 | 2.8 | 060 | 10.3 |
| 14 | 3.7 | 11.51 | 2.2 | 060 | 10.0 |
| 15 | 6.1 | 13.00 | 2.5 | 170 | 8.3 |
| 16 | - | 4.23 | 0.5 | 060 | 25.0 |
| 17 | - | 3.20 | 1.7 | 060 | 30.1 |
| 18 | - | 6.52 | 1.0 | 070 | 35.1 |
| 19 | 3.7 | 10.55 | 2.6 | 050 | 20.8 |
| 20 | - | 2.26 | 0.9 | 020 | 22.1 |
| 21 | - | 3.04 | 0.4 | 030 | 22.5 |
| 22 | - | 2.05 | 0.8 | 030 | 15.5 |
| 23 | - | 2.39 | 1.0 | 010 | 29.6 |
| 24 | 0.5 | 9.16 | 2.6 | 070 | 48.6 |
| 25 | 1.1 | 12.52 | 2.9 | 060 | 36.0 |
| 26 | 5.5 | 16.65 | 3.0 | 030 | 19.2 |
| 27 | 1.7 | 9.68 | 2.8 | 060 | 35.4 |
| 28 | - | 6.58 | 1.2 | 060 | 26.5 |
| 29 | 0.4 | 7.12 | 0.8 | 040 | 16.6 |
| 30 | 10.2 | 21.50 | 4.4 | 070 | 20.3 |
| 31 | 6.8 | 17.86 | 3.8 | 060 | 36.0 |
| Mean/Total | 129.3 | 11.60 | 75.3 | 060 | 23.1 |
| Normal | 96.4 | 11.24 | 92.2 | 070 | 22.1 |
| Station | King's Park | Waglan Island^ | |||
The minimum pressure recorded at the Royal Observatory was 1009.0 hectopascals at 0319 HKT on 22 March.
The maximum air temperature recorded at the Royal Observatory was 27.1 degrees C at 1401 HKT on 15 March.
The minimum air temperature recorded at the Royal Observatory was 14.2 degrees C at 0418 HKT on 3 March.
The maximum gust peak speed recorded at Waglan Island was 68 kilometres per hour from 070 degrees at 0502 HKT on 24 March.
The maximum instantaneous rate of rainfall recorded at King's Park was 60 millimetres per hour at 1052 HKT on 19 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.