EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, DECEMBER 2002
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
DECEMBER 2002
| Date DECEMBER |
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 | 1016.1 | 21.1 | 20.4 | 19.7 | 18.8 | 90 | 92 | 2.3 |
| 2 | 1016.6 | 22.1 | 21.3 | 20.3 | 19.6 | 91 | 94 | 0.6 |
| 3 | 1016.6 | 24.5 | 22.7 | 21.2 | 20.7 | 89 | 57 | - |
| 4 | 1016.1 | 25.4 | 23.3 | 22.0 | 21.0 | 87 | 59 | - |
| 5 | 1016.1 | 23.9 | 23.2 | 22.8 | 21.8 | 92 | 89 | 0.2 |
| 6 | 1015.4 | 25.3 | 23.8 | 22.5 | 22.1 | 91 | 84 | Trace |
| 7 | 1015.1 | 25.7 | 24.3 | 23.3 | 22.5 | 90 | 72 | - |
| 8 | 1021.4 | 23.9 | 16.1 | 11.8 | 12.8 | 81 | 91 | 4.3 |
| 9 | 1025.6 | 15.3 | 13.2 | 11.1 | 6.7 | 65 | 62 | Trace |
| 10 | 1024.1 | 17.2 | 15.8 | 13.8 | 9.4 | 66 | 48 | - |
| 11 | 1023.1 | 17.1 | 15.7 | 13.6 | 11.3 | 75 | 93 | 8.0 |
| 12 | 1026.0 | 18.3 | 15.2 | 12.8 | 10.7 | 76 | 44 | 8.0 |
| 13 | 1027.8 | 17.9 | 16.2 | 13.7 | 10.9 | 71 | 59 | - |
| 14 | 1025.5 | 19.2 | 17.6 | 15.7 | 12.7 | 73 | 66 | - |
| 15 | 1022.6 | 21.0 | 19.4 | 17.6 | 15.2 | 77 | 66 | Trace |
| 16 | 1020.9 | 23.3 | 20.9 | 18.9 | 17.1 | 79 | 66 | 0.2 |
| 17 | 1019.3 | 21.6 | 20.6 | 19.7 | 16.9 | 79 | 78 | Trace |
| 18 | 1015.5 | 22.0 | 21.2 | 20.2 | 18.2 | 83 | 89 | Trace |
| 19 | 1013.6 | 25.3 | 22.5 | 20.7 | 20.3 | 87 | 79 | Trace |
| 20 | 1012.9 | 20.9 | 18.9 | 17.4 | 17.5 | 92 | 88 | 23.0 |
| 21 | 1014.5 | 21.3 | 19.3 | 17.6 | 16.5 | 84 | 82 | 0.7 |
| 22 | 1017.5 | 20.1 | 18.7 | 17.3 | 15.1 | 80 | 66 | - |
| 23 | 1019.1 | 21.5 | 18.9 | 17.0 | 14.1 | 73 | 84 | - |
| 24 | 1019.4 | 20.3 | 18.5 | 16.9 | 13.6 | 73 | 83 | - |
| 25 | 1020.9 | 18.8 | 17.4 | 15.6 | 12.7 | 74 | 86 | - |
| 26 | 1022.5 | 16.0 | 11.8 | 7.2 | 7.6 | 76 | 88 | 8.9 |
| 27 | 1023.4 | 9.3 | 8.2 | 6.8 | 6.7 | 90 | 92 | 7.4 |
| 28 | 1021.8 | 14.7 | 12.0 | 8.9 | 7.8 | 76 | 79 | Trace |
| 29 | 1022.0 | 17.6 | 15.1 | 13.1 | 11.0 | 77 | 72 | - |
| 30 | 1020.1 | 18.1 | 15.9 | 14.1 | 11.4 | 75 | 56 | - |
| 31 | 1020.6 | 17.2 | 15.4 | 13.6 | 11.5 | 78 | 85 | 0.5 |
| Mean/Total | 1019.8 | 20.2 | 18.2 | 16.4 | 14.7 | 80 | 76 | 64.1 |
| Normal | 1020.2 | 20.5 | 17.6 | 15.4 | 11.2 | 68 | 49 | 27.3 |
| Station | Hong Kong Observatory | |||||||
| Date DECEMBER |
Total Bright Sunshine (hours) |
Daily Global Solar Radiation (MJ/m2) |
Total Evaporation (mm) |
Prevailing Wind Direction (degrees) |
Mean Wind Speed (km/h) |
|---|---|---|---|---|---|
| 1 | - | 3.30 | 0.5 | 070 | 37.4 |
| 2 | - | 4.26 | 0.7 | 070 | 31.8 |
| 3 | 7.4 | 13.02 | 2.2 | 040 | 15.0 |
| 4 | 8.5 | 12.95 | 2.3 | 060 | 7.4 |
| 5 | 0.9 | 5.74 | 1.0 | 050 | 19.0 |
| 6 | 3.8 | 9.05 | 1.7 | 050 | 15.3 |
| 7 | 6.1 | 12.02 | 3.0 | 070 | 8.1 |
| 8 | - | 2.20 | 1.9 | 360 | 42.0 |
| 9 | 3.3 | 8.97 | 2.3 | 360 | 31.6 |
| 10 | 8.9 | 14.46 | 2.6 | 050 | 32.6 |
| 11 | - | 2.26 | 1.1 | 360 | 30.6 |
| 12 | 9.1 | 15.30 | 2.7 | 360 | 25.3 |
| 13 | 4.5 | 10.64 | 2.7 | 040 | 33.8 |
| 14 | 5.7 | 12.52 | 2.1 | 060 | 34.3 |
| 15 | 7.8 | 13.51 | 2.5 | 050 | 25.5 |
| 16 | 6.6 | 13.21 | 2.6 | 040 | 14.3 |
| 17 | 2.6 | 7.85 | 2.1 | 060 | 31.3 |
| 18 | 1.9 | 9.33 | 1.6 | 040 | 18.2 |
| 19 | 6.5 | 12.43 | 3.2 | 060 | 12.7 |
| 20 | 0.4 | 3.34 | 1.5 | 060 | 33.5 |
| 21 | 2.2 | 8.39 | 1.7 | 010 | 20.7 |
| 22 | 6.7 | 12.02 | 2.9 | 010 | 21.3 |
| 23 | 7.5 | 12.39 | 2.5 | 010 | 18.7 |
| 24 | 5.6 | 11.15 | 2.3 | 010 | 18.7 |
| 25 | 2.7 | 8.92 | 2.0 | 010 | 29.4 |
| 26 | 0.2 | 4.45 | 1.5 | 010 | 40.7 |
| 27 | - | 3.71 | 1.0 | 010 | 32.8 |
| 28 | 4.4 | 10.37 | 1.6 | 010 | 20.0 |
| 29 | 3.7 | 9.00 | 1.5 | 030 | 20.8 |
| 30 | 8.2 | 12.88 | 2.6 | 010 | 14.3 |
| 31 | 0.6 | 5.36 | 1.3 | 010 | 16.8 |
| Mean/Total | 125.8 | 9.19 | 61.2 | 010 | 24.3 |
| Normal | 181.5 | 12.03 | 111.5 | 080 | 25.5 |
| Station | King's Park | Waglan Island^ | |||
The minimum pressure recorded at the Hong Kong Observatory was 1011.3 hectopascals at 1452 HKT on 20 December.
The maximum air temperature recorded at the Hong Kong Observatory was 25.7 degrees C at 1527 HKT on 7 December.
The minimum air temperature recorded at the Hong Kong Observatory was 6.8 degrees C at 0223 HKT on 27 December.
The maximum gust peak speed recorded at Waglan Island was 72 kilometres per hour from 010 degrees at 1745 HKT on 26 December.
The maximum instantaneous rate of rainfall recorded at King's Park was 48 millimetres per hour at 2331 HKT on 11 December.
^ 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.