EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, SEPTEMBER 2000
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
SEPTEMBER 2000
| Date SEPTEMBER |
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 | 998.9 | 30.3 | 28.0 | 24.6 | 25.2 | 85 | 96 | 50.8 |
| 2 | 1004.9 | 29.2 | 27.1 | 24.7 | 25.4 | 91 | 92 | 93.9 |
| 3 | 1007.0 | 29.2 | 27.8 | 26.6 | 25.4 | 87 | 77 | 0.3 |
| 4 | 1006.1 | 31.2 | 28.6 | 26.5 | 24.9 | 81 | 54 | - |
| 5 | 1003.2 | 32.2 | 29.2 | 26.9 | 24.6 | 77 | 70 | - |
| 6 | 1003.8 | 30.9 | 28.9 | 27.0 | 23.9 | 75 | 70 | Trace |
| 7 | 1005.7 | 30.8 | 28.6 | 27.1 | 22.1 | 68 | 64 | Trace |
| 8 | 1007.1 | 28.6 | 27.5 | 25.0 | 22.0 | 73 | 88 | 1.7 |
| 9 | 1008.6 | 29.1 | 27.5 | 25.6 | 22.0 | 72 | 77 | 0.8 |
| 10 | 1007.2 | 29.9 | 27.2 | 24.8 | 20.5 | 67 | 60 | - |
| 11 | 1006.0 | 30.4 | 27.7 | 25.1 | 20.1 | 63 | 30 | - |
| 12 | 1007.0 | 30.3 | 27.7 | 25.0 | 18.3 | 57 | 26 | - |
| 13 | 1005.9 | 30.5 | 27.4 | 24.8 | 15.9 | 50 | 4 | - |
| 14 | 1004.2 | 30.7 | 27.2 | 23.9 | 13.4 | 43 | 2 | - |
| 15 | 1005.1 | 30.1 | 27.5 | 25.0 | 12.2 | 39 | 3 | - |
| 16 | 1009.2 | 29.9 | 27.1 | 24.8 | 16.6 | 54 | 20 | - |
| 17 | 1011.1 | 29.6 | 27.3 | 25.9 | 22.4 | 75 | 69 | - |
| 18 | 1011.9 | 29.3 | 27.3 | 25.8 | 22.2 | 74 | 73 | Trace |
| 19 | 1012.9 | 28.9 | 27.2 | 25.8 | 20.7 | 68 | 78 | - |
| 20 | 1013.9 | 27.2 | 26.3 | 23.9 | 22.2 | 78 | 88 | 4.5 |
| 21 | 1015.1 | 29.0 | 27.3 | 25.7 | 23.0 | 78 | 79 | 0.6 |
| 22 | 1014.9 | 29.6 | 27.5 | 26.0 | 23.1 | 77 | 67 | - |
| 23 | 1013.5 | 30.2 | 27.8 | 26.4 | 23.9 | 79 | 79 | - |
| 24 | 1011.7 | 29.3 | 27.4 | 26.1 | 23.5 | 80 | 82 | - |
| 25 | 1011.2 | 30.0 | 27.7 | 26.3 | 23.9 | 80 | 61 | Trace |
| 26 | 1011.9 | 29.9 | 27.9 | 26.6 | 23.6 | 78 | 73 | - |
| 27 | 1012.3 | 29.2 | 27.7 | 26.7 | 23.5 | 78 | 76 | - |
| 28 | 1012.6 | 29.7 | 27.9 | 26.8 | 24.0 | 80 | 68 | - |
| 29 | 1013.0 | 30.9 | 28.2 | 26.8 | 24.3 | 80 | 52 | Trace |
| 30 | 1014.0 | 30.6 | 28.3 | 26.7 | 24.0 | 78 | 41 | - |
| Mean/Total | 1009.0 | 29.9 | 27.7 | 25.8 | 21.9 | 72 | 61 | 152.6 |
| Normal | 1008.8 | 30.3 | 27.6 | 25.5 | 23.3 | 78 | 63 | 299.7 |
| Station | Hong Kong Observatory | |||||||
| Date SEPTEMBER |
Total Bright Sunshine (hours) |
Daily Global Solar Radiation (MJ/m2) |
Total Evaporation (mm) |
Prevailing Wind Direction (degrees) |
Mean Wind Speed (km/h) |
|---|---|---|---|---|---|
| 1 | - | 5.39 | 4.7 | 220 | 42.4 |
| 2 | - | 4.55 | 2.7 | 200 | 20.0 |
| 3 | 7.7 | 17.30 | 3.5 | 080 | 15.6 |
| 4 | 10.1 | 22.73 | 5.2 | 040 | 10.3 |
| 5 | 6.0 | 16.05 | 4.6 | 210 | 7.5 |
| 6 | 9.6 | 19.56 | 5.5 | 070 | 24.8 |
| 7 | 6.4 | 16.11 | 5.5 | 060 | 36.1 |
| 8 | 1.7 | 9.01 | 4.5 | 070 | 61.4 |
| 9 | 7.7 | 19.00 | 4.9 | 070 | 36.5 |
| 10 | 8.9 | 17.94 | 5.1 | 360 | 16.2 |
| 11 | 8.1 | 18.74 | 5.7 | 360 | 16.1 |
| 12 | 10.2 | 21.75 | 6.8 | 010 | 27.3 |
| 13 | 10.7 | 21.72 | 8.2 | 010 | 31.5 |
| 14 | 10.9 | 22.53 | 7.9 | 010 | 31.6 |
| 15 | 10.7 | 22.53 | 6.3 | 010 | 28.5 |
| 16 | 10.1 | 21.23 | 4.3 | 010 | 17.1 |
| 17 | 4.7 | 14.02 | 4.1 | 100 | 12.5 |
| 18 | 6.9 | 19.56 | 5.1 | 090 | 25.8 |
| 19 | 7.4 | 18.85 | 5.2 | 080 | 31.8 |
| 20 | 0.9 | 7.96 | 1.9 | 070 | 32.9 |
| 21 | 7.2 | 16.01 | 4.0 | 080 | 33.7 |
| 22 | 8.3 | 19.47 | 4.2 | 070 | 26.3 |
| 23 | 7.9 | 19.17 | 4.5 | 070 | 14.9 |
| 24 | 4.1 | 16.78 | 4.4 | 100 | 11.5 |
| 25 | 7.6 | 17.31 | 4.2 | 110 | 11.4 |
| 26 | 7.8 | 18.44 | 4.2 | 100 | 17.7 |
| 27 | 9.2 | 19.27 | 4.9 | 090 | 25.4 |
| 28 | 8.9 | 17.46 | 4.0 | 090 | 24.0 |
| 29 | 8.3 | 20.13 | 4.8 | 100 | 11.8 |
| 30 | 9.2 | 19.08 | 4.7 | 110 | 9.8 |
| Mean/Total | 217.2 | 17.32 | 145.6 | 080 | 23.7 |
| Normal | 181.7 | 16.49 | 150.3 | 090 | 21.9 |
| Station | King's Park | Waglan Island^ | |||
The minimum pressure recorded at the Hong Kong Observatory was 992.4 hectopascals at 0236 HKT on 1 September.
The maximum air temperature recorded at the Hong Kong Observatory was 32.2 degrees C at 1452 HKT on 5 September.
The minimum air temperature recorded at the Hong Kong Observatory was 23.9 degrees C at 0712 HKT on 14 September and at 0912 HKT on 20 September.
The maximum gust peak speed recorded at Waglan Island was 101 kilometres per hour from 280 degrees at 0532 HKT on 1 September.
The maximum instantaneous rate of rainfall recorded at King's Park was 86 millimetres per hour at 0731 HKT on 2 September.
^ 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.