EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, JANUARY 2001
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
JANUARY 2001
| 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 | 1017.9 | 17.9 | 16.4 | 15.1 | 10.7 | 69 | 41 | - |
| 2 | 1016.7 | 19.8 | 17.9 | 16.0 | 14.0 | 78 | 61 | - |
| 3 | 1017.6 | 19.8 | 18.3 | 17.1 | 15.1 | 82 | 35 | - |
| 4 | 1019.6 | 19.4 | 18.4 | 17.7 | 15.0 | 80 | 86 | Trace |
| 5 | 1019.8 | 19.9 | 18.6 | 17.6 | 14.8 | 79 | 57 | Trace |
| 6 | 1017.4 | 20.4 | 19.0 | 17.9 | 15.6 | 81 | 48 | - |
| 7 | 1014.4 | 23.2 | 20.1 | 17.3 | 16.3 | 79 | 7 | - |
| 8 | 1014.2 | 20.8 | 19.6 | 18.8 | 16.2 | 81 | 55 | - |
| 9 | 1015.3 | 22.9 | 19.0 | 15.3 | 14.1 | 74 | 56 | - |
| 10 | 1015.9 | 17.7 | 15.8 | 13.2 | 10.5 | 71 | 92 | - |
| 11 | 1015.3 | 18.1 | 16.5 | 14.7 | 13.0 | 80 | 94 | 0.4 |
| 12 | 1016.2 | 19.0 | 18.1 | 17.5 | 14.7 | 81 | 82 | - |
| 13 | 1017.5 | 19.4 | 17.2 | 15.1 | 11.7 | 71 | 56 | 0.7 |
| 14 | 1021.5 | 18.1 | 16.5 | 14.7 | 10.9 | 69 | 31 | - |
| 15 | 1024.6 | 16.1 | 14.7 | 13.4 | 8.2 | 65 | 67 | - |
| 16 | 1025.5 | 16.6 | 15.3 | 13.7 | 9.0 | 66 | 77 | Trace |
| 17 | 1023.3 | 17.6 | 16.2 | 14.5 | 10.7 | 70 | 36 | - |
| 18 | 1020.3 | 21.2 | 18.4 | 15.6 | 13.7 | 75 | 53 | - |
| 19 | 1019.7 | 21.5 | 19.6 | 18.1 | 15.0 | 75 | 53 | - |
| 20 | 1017.7 | 23.3 | 20.3 | 18.2 | 14.9 | 71 | 40 | - |
| 21 | 1015.6 | 20.1 | 18.9 | 18.2 | 16.1 | 84 | 76 | - |
| 22 | 1013.5 | 21.8 | 20.0 | 18.5 | 17.2 | 84 | 85 | - |
| 23 | 1014.8 | 20.4 | 19.0 | 17.6 | 17.7 | 92 | 99 | 0.3 |
| 24 | 1012.7 | 20.2 | 18.7 | 17.7 | 17.3 | 91 | 100 | Trace |
| 25 | 1008.6 | 21.0 | 19.6 | 16.0 | 18.8 | 95 | 93 | 2.3 |
| 26 | 1013.5 | 16.2 | 13.7 | 11.4 | 10.1 | 80 | 89 | 27.3 |
| 27 | 1017.4 | 13.8 | 12.5 | 11.2 | 9.1 | 80 | 91 | 6.4 |
| 28 | 1020.4 | 12.9 | 11.2 | 9.8 | 9.0 | 87 | 96 | 10.2 |
| 29 | 1021.0 | 15.2 | 13.8 | 12.3 | 8.3 | 70 | 88 | - |
| 30 | 1018.1 | 17.3 | 15.8 | 14.5 | 11.4 | 75 | 82 | - |
| 31 | 1015.0 | 18.5 | 16.9 | 15.8 | 13.9 | 83 | 88 | - |
| Mean/Total | 1017.5 | 19.0 | 17.3 | 15.6 | 13.3 | 78 | 68 | 47.6 |
| 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 | 5.3 | 11.52 | 2.2 | 060 | 26.1 |
| 2 | 2.1 | 9.61 | 1.4 | 050 | 26.2 |
| 3 | 9.6 | 15.11 | 2.0 | 060 | 24.1 |
| 4 | 0.9 | 6.67 | 1.8 | 070 | 31.3 |
| 5 | 6.9 | 12.99 | 2.5 | 080 | 33.1 |
| 6 | 6.8 | 13.84 | 2.7 | 070 | 32.0 |
| 7 | 9.0 | 13.51 | 2.5 | 360 | 5.6 |
| 8 | 6.7 | 12.49 | 2.3 | 060 | 27.5 |
| 9 | 6.3 | 12.21 | 3.2 | 020 | 22.1 |
| 10 | - | 4.31 | 1.2 | 020 | 20.2 |
| 11 | - | 4.84 | 1.0 | 020 | 16.2 |
| 12 | 2.8 | 8.59 | 1.8 | 070 | 30.7 |
| 13 | 4.2 | 8.83 | 2.6 | 010 | 21.1 |
| 14 | 9.4 | 14.95 | 3.5 | 020 | 29.8 |
| 15 | 0.5 | 5.85 | 1.9 | 050 | 31.6 |
| 16 | 3.2 | 10.61 | 2.7 | 080 | 32.6 |
| 17 | 9.7 | 16.07 | 2.1 | 060 | 35.3 |
| 18 | 6.0 | 11.69 | 1.9 | 050 | 23.3 |
| 19 | 7.6 | 15.27 | 3.0 | 050 | 17.3 |
| 20 | 9.1 | 14.36 | 2.2 | 020 | 6.5 |
| 21 | 1.5 | 5.90 | 1.9 | 080 | 31.8 |
| 22 | 3.8 | 9.69 | 1.4 | 040 | 17.4 |
| 23 | - | 2.95 | 0.6 | 070 | 26.1 |
| 24 | - | 3.22 | 0.4 | 060 | 24.2 |
| 25 | - | 2.91 | 2.7 | 030 | 13.8 |
| 26 | 0.4 | 4.66 | 1.9 | 010 | 34.2 |
| 27 | - | 2.35 | 1.4 | 020 | 29.5 |
| 28 | - | 2.43 | 0.9 | 010 | 29.1 |
| 29 | - | 6.76 | 1.4 | 020 | 20.7 |
| 30 | 0.2 | 9.64 | 1.6 | 060 | 26.6 |
| 31 | 0.2 | 7.41 | 1.0 | 060 | 26.1 |
| Mean/Total | 112.2 | 9.07 | 59.7 | 060 | 24.9 |
| 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 1005.7 hectopascals at 1514 HKT on 25 January.
The maximum air temperature recorded at the Hong Kong Observatory was 23.3 degrees C at 1304 HKT on 20 January.
The minimum air temperature recorded at the Hong Kong Observatory was 9.8 degrees C at 0346 HKT on 28 January.
The maximum gust peak speed recorded at Waglan Island was 63 kilometres per hour from 360 degrees at 1132 HKT on 26 January.
The maximum instantaneous rate of rainfall recorded at King's Park was 120 millimetres per hour at 0434 HKT on 26 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.