EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, JULY 2001
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
JULY 2001
| Date JULY |
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 | 1002.1 | 28.3 | 27.1 | 25.1 | 24.9 | 88 | 92 | 57.8 |
| 2 | 1004.7 | 28.7 | 27.3 | 25.6 | 25.1 | 88 | 88 | 11.8 |
| 3 | 1005.4 | 29.6 | 27.9 | 26.3 | 25.0 | 85 | 72 | 6.9 |
| 4 | 998.9 | 33.2 | 29.7 | 25.8 | 23.0 | 68 | 60 | - |
| 5 | 990.1 | 33.0 | 30.1 | 26.3 | 23.6 | 69 | 88 | 15.8 |
| 6 | 986.5 | 28.3 | 26.7 | 25.4 | 24.3 | 87 | 97 | 142.1 |
| 7 | 1002.6 | 30.1 | 28.6 | 27.3 | 25.5 | 84 | 91 | 8.8 |
| 8 | 1008.8 | 29.9 | 28.1 | 27.1 | 26.0 | 89 | 86 | 1.4 |
| 9 | 1008.8 | 32.2 | 29.0 | 27.1 | 25.3 | 81 | 60 | - |
| 10 | 1006.9 | 32.1 | 29.1 | 27.0 | 24.8 | 78 | 25 | - |
| 11 | 1004.4 | 32.1 | 29.3 | 27.7 | 25.4 | 80 | 70 | - |
| 12 | 1002.3 | 30.9 | 29.5 | 28.5 | 26.0 | 82 | 87 | - |
| 13 | 1003.7 | 29.5 | 27.0 | 24.9 | 23.9 | 83 | 90 | 41.0 |
| 14 | 1006.3 | 31.5 | 29.3 | 27.4 | 25.4 | 80 | 86 | 1.2 |
| 15 | 1007.6 | 29.1 | 26.0 | 24.3 | 24.6 | 92 | 92 | 114.0 |
| 16 | 1006.5 | 29.9 | 27.0 | 25.1 | 24.6 | 87 | 88 | 1.0 |
| 17 | 1003.3 | 29.4 | 27.2 | 24.6 | 24.9 | 87 | 89 | 37.0 |
| 18 | 1002.3 | 29.6 | 26.8 | 24.4 | 24.8 | 89 | 91 | 45.8 |
| 19 | 1004.7 | 28.7 | 27.0 | 25.4 | 25.1 | 89 | 86 | 10.8 |
| 20 | 1004.8 | 30.0 | 27.6 | 25.8 | 25.8 | 90 | 81 | 21.5 |
| 21 | 1005.3 | 28.9 | 26.8 | 25.3 | 25.5 | 93 | 86 | 87.3 |
| 22 | 1008.0 | 30.8 | 28.0 | 26.3 | 25.5 | 87 | 71 | 4.2 |
| 23 | 1006.9 | 31.7 | 29.1 | 26.8 | 24.7 | 78 | 51 | - |
| 24 | 1003.7 | 31.3 | 28.1 | 26.1 | 25.0 | 84 | 83 | 14.5 |
| 25 | 1003.0 | 28.1 | 26.7 | 25.2 | 24.2 | 86 | 94 | 17.7 |
| 26 | 1006.5 | 28.9 | 27.0 | 25.5 | 25.2 | 90 | 88 | 15.8 |
| 27 | 1006.9 | 30.2 | 28.1 | 26.8 | 25.8 | 87 | 77 | Trace |
| 28 | 1006.1 | 31.5 | 28.8 | 26.8 | 24.9 | 80 | 68 | - |
| 29 | 1005.6 | 32.0 | 29.2 | 26.8 | 25.0 | 78 | 32 | - |
| 30 | 1005.7 | 32.4 | 29.9 | 27.9 | 25.3 | 77 | 58 | Trace |
| 31 | 1004.9 | 32.7 | 30.2 | 28.7 | 25.6 | 76 | 71 | Trace |
| Mean/Total | 1004.0 | 30.5 | 28.1 | 26.2 | 25.0 | 84 | 77 | 656.4 |
| Normal | 1005.3 | 31.5 | 28.8 | 26.6 | 24.9 | 80 | 65 | 323.5 |
| Station | Hong Kong Observatory | |||||||
| Date JULY |
Total Bright Sunshine (hours) |
Daily Global Solar Radiation (MJ/m2) |
Total Evaporation (mm) |
Prevailing Wind Direction (degrees) |
Mean Wind Speed (km/h) |
|---|---|---|---|---|---|
| 1 | 0.2 | 6.67 | 6.7 | 100 | 51.2 |
| 2 | 0.8 | 8.47 | 2.2 | 110 | 41.6 |
| 3 | 8.8 | 15.91 | 3.9 | 090 | 28.3 |
| 4 | 9.0 | 19.72 | 7.2 | 290 | 16.2 |
| 5 | 0.2 | 9.56 | 3.3 | 350 | 36.7 |
| 6 | - | 1.35 | 15.0 | 190 | 60.7 |
| 7 | 0.4 | 8.77 | 1.8 | 150 | 46.0 |
| 8 | 3.6 | 15.60 | 4.0 | 100 | 19.3 |
| 9 | 8.8 | 18.66 | 4.6 | 220 | 8.8 |
| 10 | 12.3 | 25.03 | 6.4 | 250 | 21.6 |
| 11 | 8.3 | 19.93 | 5.0 | 260 | 28.6 |
| 12 | 0.3 | 12.87 | 5.4 | 240 | 30.0 |
| 13 | - | 8.52 | 1.7 | 280 | 15.3 |
| 14 | 8.5 | 16.47 | 5.6 | 190 | 23.4 |
| 15 | - | 2.69 | 5.8 | 200 | 15.3 |
| 16 | 1.1 | 9.74 | 1.4 | 230 | 7.6 |
| 17 | 0.1 | 3.87 | 3.7 | 210 | 22.8 |
| 18 | 0.7 | 6.01 | 4.6 | 230 | 24.8 |
| 19 | - | 7.41 | 1.2 | 100 | 10.6 |
| 20 | 6.1 | 14.79 | 4.0 | 090 | 17.1 |
| 21 | 0.3 | 6.97 | 2.3 | 110 | 27.5 |
| 22 | 7.2 | 15.83 | 3.4 | 110 | 18.8 |
| 23 | 9.9 | 22.30 | 5.5 | 230 | 8.1 |
| 24 | 3.2 | 9.16 | 7.7 | 010 | 18.9 |
| 25 | - | 4.62 | 0.9 | 090 | 54.7 |
| 26 | 1.2 | 7.06 | 1.9 | 110 | 24.9 |
| 27 | 5.3 | 12.73 | 2.4 | 120 | 15.8 |
| 28 | 6.6 | 15.83 | 3.4 | 150 | 10.0 |
| 29 | 10.9 | 24.51 | 6.2 | 240 | 18.1 |
| 30 | 12.1 | 25.20 | 6.7 | 240 | 26.0 |
| 31 | 10.4 | 23.61 | 5.9 | 240 | 24.8 |
| Mean/Total | 136.3 | 12.90 | 139.8 | 100 | 25.0 |
| Normal | 231.1 | 19.15 | 171.6 | 230 | 20.0 |
| Station | King's Park | Waglan Island^ | |||
The minimum pressure recorded at the Hong Kong Observatory was 980.6 hectopascals at 0521 HKT on 6 July.
The maximum air temperature recorded at the Hong Kong Observatory was 33.2 degrees C at 2335 HKT on 4 July.
The minimum air temperature recorded at the Hong Kong Observatory was 24.3 degrees C at 1843 HKT on 15 July.
The maximum gust peak speed recorded at Waglan Island was 112 kilometres per hour from 190 degrees at 1915 HKT on 6 July.
The maximum instantaneous rate of rainfall recorded at King's Park was 185 millimetres per hour at 1719 HKT on 15 July.
^ 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.