EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, DECEMBER 2003
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
DECEMBER 2003
| 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 | 1019.7 | 20.1 | 18.1 | 16.5 | 12.9 | 72 | 10 | - |
| 2 | 1019.9 | 20.4 | 18.3 | 16.7 | 12.3 | 68 | 2 | - |
| 3 | 1019.1 | 20.3 | 18.8 | 17.2 | 12.7 | 69 | 9 | - |
| 4 | 1018.5 | 20.9 | 19.6 | 18.4 | 15.2 | 76 | 28 | - |
| 5 | 1018.8 | 22.5 | 20.6 | 18.7 | 16.4 | 77 | 52 | - |
| 6 | 1018.6 | 25.3 | 22.3 | 20.5 | 17.1 | 72 | 38 | - |
| 7 | 1022.1 | 21.3 | 19.9 | 18.5 | 14.4 | 71 | 61 | Trace |
| 8 | 1022.9 | 20.0 | 19.1 | 17.7 | 14.2 | 73 | 84 | Trace |
| 9 | 1022.6 | 21.2 | 19.4 | 18.0 | 14.1 | 71 | 64 | - |
| 10 | 1022.2 | 20.3 | 18.4 | 16.8 | 12.6 | 69 | 59 | - |
| 11 | 1020.6 | 19.9 | 17.8 | 15.8 | 11.0 | 65 | 55 | - |
| 12 | 1022.4 | 18.1 | 16.1 | 14.2 | 7.2 | 56 | 38 | - |
| 13 | 1023.2 | 17.5 | 15.6 | 13.1 | 6.6 | 55 | 4 | - |
| 14 | 1022.5 | 18.5 | 15.9 | 13.1 | 6.8 | 56 | 2 | - |
| 15 | 1022.0 | 17.5 | 15.9 | 13.7 | 9.3 | 65 | 4 | - |
| 16 | 1021.0 | 18.4 | 16.6 | 14.4 | 9.7 | 65 | 23 | - |
| 17 | 1019.3 | 19.9 | 17.3 | 15.5 | 11.6 | 70 | 19 | - |
| 18 | 1021.4 | 20.3 | 18.0 | 16.2 | 10.8 | 64 | 30 | - |
| 19 | 1026.6 | 16.4 | 14.0 | 12.1 | 0.1 | 39 | 4 | - |
| 20 | 1027.9 | 14.4 | 12.5 | 10.3 | 0.7 | 45 | 58 | - |
| 21 | 1026.4 | 16.5 | 14.6 | 11.8 | 6.6 | 59 | 15 | - |
| 22 | 1023.1 | 18.5 | 16.3 | 14.3 | 10.9 | 71 | 13 | - |
| 23 | 1020.3 | 18.9 | 17.2 | 15.5 | 13.3 | 78 | 7 | - |
| 24 | 1018.3 | 21.1 | 18.2 | 16.2 | 13.0 | 72 | 4 | - |
| 25 | 1017.9 | 22.3 | 19.4 | 17.4 | 13.8 | 71 | 2 | - |
| 26 | 1020.7 | 20.4 | 18.7 | 16.1 | 7.5 | 49 | 11 | - |
| 27 | 1025.9 | 16.6 | 15.0 | 13.0 | 4.5 | 50 | 6 | - |
| 28 | 1026.0 | 18.3 | 15.8 | 13.0 | 9.7 | 67 | 17 | - |
| 29 | 1024.3 | 20.5 | 17.9 | 15.6 | 12.8 | 73 | 12 | - |
| 30 | 1021.9 | 20.6 | 18.7 | 16.9 | 13.4 | 72 | 4 | - |
| 31 | 1019.7 | 23.2 | 19.9 | 17.4 | 14.0 | 69 | 4 | - |
| Mean/Total | 1021.8 | 19.7 | 17.6 | 15.6 | 10.8 | 65 | 24 | Trace |
| 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 | 8.0 | 13.03 | 2.5 | 050 | 18.6 |
| 2 | 9.1 | 14.14 | 2.9 | 070 | 22.5 |
| 3 | 9.3 | 15.21 | 2.9 | 070 | 28.2 |
| 4 | 8.3 | 14.53 | 2.6 | 070 | 31.9 |
| 5 | 9.2 | 14.86 | 3.1 | 060 | 23.3 |
| 6 | 8.9 | 14.04 | 3.2 | 030 | 15.2 |
| 7 | 6.1 | 11.30 | 3.1 | 050 | 32.2 |
| 8 | 4.5 | 10.98 | 2.6 | 060 | 37.9 |
| 9 | 2.5 | 8.95 | 3.5 | 010 | 24.7 |
| 10 | 7.7 | 14.01 | 4.2 | 010 | 25.7 |
| 11 | 6.8 | 12.90 | 3.2 | 360 | 28.8 |
| 12 | 8.1 | 14.12 | 3.5 | 010 | 29.0 |
| 13 | 9.4 | 14.21 | 2.8 | 010 | 23.8 |
| 14 | 9.2 | 14.47 | 3.1 | 010 | 19.6 |
| 15 | 9.3 | 14.38 | 2.8 | 060 | 29.1 |
| 16 | 9.4 | 13.60 | 2.5 | 060 | 27.5 |
| 17 | 8.7 | 13.27 | 2.6 | 050 | 22.3 |
| 18 | 7.4 | 11.75 | 5.2 | 050 | 26.8 |
| 19 | 8.6 | 13.14 | 3.4 | 010 | 51.0 |
| 20 | 1.3 | 8.83 | 3.1 | 020 | 26.5 |
| 21 | 9.0 | 14.11 | 2.0 | 050 | 25.5 |
| 22 | 8.7 | 13.04 | 1.7 | 040 | 18.5 |
| 23 | 9.2 | 13.57 | 1.8 | 050 | 16.5 |
| 24 | 9.6 | 14.06 | 2.7 | 030 | 12.3 |
| 25 | 9.6 | 14.38 | 3.3 | 030 | 9.0 |
| 26 | 7.9 | 11.60 | 4.9 | 010 | 30.4 |
| 27 | 8.6 | 13.19 | 2.4 | 070 | 33.3 |
| 28 | 8.1 | 13.82 | 2.0 | 060 | 28.7 |
| 29 | 9.1 | 14.87 | 3.5 | 050 | 21.3 |
| 30 | 9.5 | 14.73 | 2.1 | 050 | 15.3 |
| 31 | 8.0 | 12.34 | 2.9 | 020 | 6.9 |
| Mean/Total | 249.1 | 13.27 | 92.1 | 060 | 24.6 |
| 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 1016.1 hectopascals at 1453 HKT on 25 December.
The maximum air temperature recorded at the Hong Kong Observatory was 25.3 degrees C at 1231 HKT on 6 December.
The minimum air temperature recorded at the Hong Kong Observatory was 10.3 degrees C at 0656 HKT on 20 December.
The maximum gust peak speed recorded at Waglan Island was 85 kilometres per hour from 010 degrees at 0506 HKT on 19 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.