EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, JANUARY 2003
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
JANUARY 2003
| Date JANUARY |
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 | 1023.1 | 16.3 | 15.8 | 15.1 | 12.0 | 78 | 84 | - |
| 2 | 1023.4 | 17.8 | 16.4 | 15.6 | 12.6 | 78 | 88 | Trace |
| 3 | 1024.2 | 17.9 | 15.5 | 12.8 | 9.0 | 66 | 38 | 0.8 |
| 4 | 1025.0 | 17.2 | 15.2 | 12.7 | 9.2 | 68 | 39 | - |
| 5 | 1026.6 | 16.4 | 15.2 | 13.7 | 9.4 | 68 | 86 | - |
| 6 | 1022.8 | 14.9 | 11.8 | 8.8 | 8.5 | 80 | 92 | 16.5 |
| 7 | 1023.3 | 14.2 | 11.4 | 8.9 | 7.1 | 76 | 61 | 0.1 |
| 8 | 1023.7 | 15.3 | 13.0 | 10.2 | 7.9 | 72 | 33 | - |
| 9 | 1021.7 | 17.6 | 15.2 | 12.9 | 9.2 | 68 | 17 | - |
| 10 | 1020.9 | 18.1 | 15.2 | 12.8 | 7.9 | 62 | 2 | - |
| 11 | 1022.7 | 17.7 | 15.0 | 12.4 | 6.3 | 56 | 33 | - |
| 12 | 1022.5 | 17.4 | 15.1 | 13.0 | 7.7 | 62 | 13 | - |
| 13 | 1020.5 | 19.5 | 16.2 | 13.6 | 10.3 | 69 | 26 | - |
| 14 | 1021.7 | 19.2 | 16.9 | 14.9 | 8.3 | 57 | 61 | - |
| 15 | 1024.0 | 17.7 | 16.3 | 15.4 | 9.4 | 64 | 36 | - |
| 16 | 1023.6 | 17.8 | 16.0 | 14.7 | 11.2 | 73 | 70 | - |
| 17 | 1022.7 | 20.4 | 17.5 | 15.0 | 11.3 | 68 | 10 | - |
| 18 | 1022.6 | 20.3 | 18.6 | 17.5 | 12.0 | 66 | 35 | - |
| 19 | 1019.7 | 22.6 | 19.1 | 16.3 | 13.6 | 71 | 24 | - |
| 20 | 1018.7 | 19.6 | 18.1 | 16.8 | 13.3 | 73 | 42 | - |
| 21 | 1017.2 | 17.8 | 16.9 | 15.7 | 12.2 | 74 | 51 | - |
| 22 | 1014.0 | 21.0 | 18.1 | 15.7 | 12.8 | 72 | 27 | - |
| 23 | 1015.4 | 19.9 | 18.1 | 16.9 | 12.1 | 69 | 52 | - |
| 24 | 1016.3 | 17.5 | 16.3 | 15.6 | 12.7 | 79 | 88 | Trace |
| 25 | 1015.0 | 18.9 | 17.7 | 16.6 | 15.5 | 87 | 90 | Trace |
| 26 | 1014.0 | 22.8 | 20.1 | 18.1 | 18.0 | 88 | 87 | - |
| 27 | 1020.5 | 20.6 | 15.2 | 11.8 | 9.2 | 69 | 45 | 4.3 |
| 28 | 1024.4 | 16.2 | 13.6 | 11.3 | 4.9 | 56 | 29 | - |
| 29 | 1024.0 | 17.0 | 15.1 | 13.1 | 9.1 | 68 | 28 | - |
| 30 | 1022.7 | 17.0 | 16.0 | 15.0 | 11.4 | 74 | 90 | Trace |
| 31 | 1020.2 | 19.9 | 18.1 | 16.6 | 14.9 | 82 | 76 | - |
| Mean/Total | 1021.2 | 18.3 | 16.1 | 14.2 | 10.6 | 71 | 50 | 21.7 |
| Normal | 1020.2 | 18.6 | 15.8 | 13.6 | 10.2 | 71 | 58 | 23.4 |
| Station | Hong Kong Observatory | |||||||
| Date JANUARY |
Total Bright Sunshine (hours) |
Daily Global Solar Radiation (MJ/m2) |
Total Evaporation (mm) |
Prevailing Wind Direction (degrees) |
Mean Wind Speed (km/h) |
|---|---|---|---|---|---|
| 1 | 0.7 | 6.10 | 1.7 | 070 | 35.5 |
| 2 | - | 4.54 | 0.9 | 060 | 36.8 |
| 3 | 7.2 | 13.98 | 3.7 | 010 | 27.1 |
| 4 | 5.7 | 10.95 | 2.0 | 020 | 26.8 |
| 5 | 1.6 | 10.92 | 3.0 | 060 | 39.0 |
| 6 | - | 1.68 | 0.7 | 060 | 41.5 |
| 7 | 9.3 | 15.98 | 2.6 | 360 | 29.8 |
| 8 | 8.3 | 15.50 | 2.5 | 030 | 24.5 |
| 9 | 9.7 | 14.55 | 2.7 | 020 | 11.0 |
| 10 | 9.5 | 14.89 | 3.0 | 010 | 22.1 |
| 11 | 8.6 | 13.90 | 2.7 | 010 | 15.7 |
| 12 | 9.3 | 14.37 | 2.7 | 010 | 15.5 |
| 13 | 9.2 | 13.78 | 2.2 | 020 | 8.2 |
| 14 | 9.4 | 13.95 | 3.2 | 040 | 20.0 |
| 15 | 9.1 | 14.79 | 2.7 | 070 | 41.3 |
| 16 | 4.6 | 10.81 | 1.8 | 060 | 21.7 |
| 17 | 9.8 | 15.63 | 2.9 | 040 | 18.1 |
| 18 | 9.6 | 15.67 | 2.6 | 100 | 16.8* |
| 19 | 8.7 | 12.92 | 2.7 | 190 | 3.8* |
| 20 | 7.0 | 12.18 | 2.1 | 110 | 12.8* |
| 21 | 4.6 | 11.15 | 2.2 | 090 | 21.8* |
| 22 | 8.5 | 13.28 | 2.3 | 260 | 10.8* |
| 23 | 5.4 | 10.42 | 2.7 | 050 | 19.6 |
| 24 | - | 3.97 | 1.1 | 070 | 44.2 |
| 25 | 0.1 | 8.22 | 1.7 | 070 | 27.0 |
| 26 | 3.6 | 9.00 | 1.8 | 030 | 9.5 |
| 27 | 7.7 | 14.01 | 2.5 | 360 | 38.7 |
| 28 | 9.5 | 16.45 | 2.7 | 010 | 24.1 |
| 29 | 9.4 | 16.58 | 3.4 | 060 | 28.3 |
| 30 | 0.5 | 8.21 | 1.7 | 070 | 42.7 |
| 31 | 5.2 | 11.80 | 2.0 | 060 | 21.1 |
| Mean/Total | 191.8 | 11.94 | 72.5 | 060 | 24.4 |
| Normal | 152.4 | 11.63 | 97.5 | 070 | 24.0 |
| Station | King's Park | Waglan Island^ | |||
The minimum pressure recorded at the Hong Kong Observatory was 1011.1 hectopascals at 1458 HKT on 22 January.
The maximum air temperature recorded at the Hong Kong Observatory was 22.8 degrees C at 1424 HKT on 26 January.
The minimum air temperature recorded at the Hong Kong Observatory was 8.8 degrees C at 1921 HKT on 6 January.
The maximum gust peak speed recorded at Waglan Island was 70 kilometres per hour from 360 degrees at 0849 HKT on 27 January.
The maximum instantaneous rate of rainfall recorded at King's Park was 35 millimetres per hour at 0146 HKT on 27 January.
^ 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.