EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, JUNE 1999
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
JUNE 1999
| Date JUNE |
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 | 1007.1 | 30.7 | 27.8 | 26.0 | 24.5 | 83 | 58 | Trace |
| 2 | 1005.8 | 32.9 | 29.0 | 26.3 | 24.3 | 77 | 32 | - |
| 3 | 1005.0 | 32.6 | 29.1 | 26.9 | 25.2 | 80 | 40 | - |
| 4 | 1004.6 | 32.3 | 29.0 | 27.2 | 24.8 | 79 | 49 | - |
| 5 | 1001.7 | 30.7 | 28.1 | 26.7 | 24.6 | 82 | 82 | - |
| 6 | 994.4 | 33.4 | 30.1 | 26.3 | 23.5 | 70 | 83 | Trace |
| 7 | 991.2 | 30.9 | 26.6 | 25.1 | 24.8 | 90 | 99 | 61.3 |
| 8 | 1001.4 | 29.6 | 28.1 | 25.6 | 24.8 | 82 | 93 | 19.2 |
| 9 | 1007.5 | 31.6 | 28.8 | 26.8 | 25.3 | 82 | 78 | 3.3 |
| 10 | 1008.5 | 32.0 | 29.1 | 27.1 | 25.2 | 80 | 67 | 0.9 |
| 11 | 1008.2 | 32.1 | 29.3 | 27.7 | 24.4 | 75 | 62 | Trace |
| 12 | 1007.3 | 32.1 | 29.4 | 27.8 | 24.3 | 75 | 58 | - |
| 13 | 1007.6 | 32.8 | 29.5 | 27.9 | 24.0 | 73 | 51 | - |
| 14 | 1007.9 | 32.4 | 29.7 | 27.9 | 24.3 | 73 | 44 | - |
| 15 | 1007.2 | 31.6 | 29.3 | 28.1 | 24.4 | 75 | 79 | Trace |
| 16 | 1006.4 | 31.9 | 29.5 | 27.4 | 24.8 | 76 | 88 | Trace |
| 17 | 1005.8 | 29.6 | 28.1 | 25.0 | 25.5 | 86 | 86 | 19.0 |
| 18 | 1005.3 | 30.6 | 28.8 | 25.8 | 25.0 | 80 | 84 | 5.6 |
| 19 | 1006.2 | 32.2 | 29.1 | 27.3 | 25.2 | 80 | 81 | 5.0 |
| 20 | 1006.2 | 29.2 | 28.1 | 26.2 | 25.5 | 86 | 78 | 4.5 |
| 21 | 1005.3 | 30.2 | 27.7 | 25.5 | 25.5 | 88 | 91 | 53.1 |
| 22 | 1005.4 | 30.7 | 28.9 | 25.9 | 25.0 | 80 | 88 | 7.7 |
| 23 | 1005.6 | 30.2 | 28.8 | 26.6 | 24.7 | 79 | 82 | 0.4 |
| 24 | 1006.4 | 31.5 | 29.4 | 28.1 | 24.9 | 77 | 84 | Trace |
| 25 | 1006.9 | 31.8 | 29.5 | 27.1 | 24.7 | 76 | 76 | 0.9 |
| 26 | 1008.9 | 30.6 | 28.9 | 26.9 | 25.0 | 80 | 76 | 10.8 |
| 27 | 1009.6 | 32.5 | 29.5 | 27.7 | 24.4 | 75 | 73 | Trace |
| 28 | 1008.4 | 32.2 | 29.4 | 27.3 | 24.4 | 75 | 83 | 0.2 |
| 29 | 1006.9 | 32.1 | 29.4 | 26.6 | 24.5 | 76 | 82 | 2.9 |
| 30 | 1006.2 | 31.1 | 28.9 | 25.7 | 24.6 | 78 | 82 | 2.6 |
| Mean/Total | 1005.5 | 31.5 | 28.9 | 26.8 | 24.7 | 79 | 74 | 197.4 |
| Normal | 1006.0 | 30.3 | 27.8 | 25.9 | 24.4 | 82 | 75 | 376.0 |
| Station | Hong Kong Observatory | |||||||
| Date JUNE |
Total Bright Sunshine (hours) |
Daily Global Solar Radiation (MJ/m2) |
Total Evaporation (mm) |
Prevailing Wind Direction (degrees) |
Mean Wind Speed (km/h) |
|---|---|---|---|---|---|
| 1 | 8.8 | 20.84 | 4.7 | 080 | 15.0 |
| 2 | 11.0 | 24.73 | 5.8 | 220 | 8.9 |
| 3 | 10.5 | 22.05 | 6.1 | 090 | 9.5 |
| 4 | 11.0 | 23.49 | 6.0 | 080 | 18.4 |
| 5 | 3.6 | 14.25 | 3.9 | 100 | 15.2 |
| 6 | 3.7 | 11.75 | 4.5 | 360 | 22.0 |
| 7 | - | 3.35 | 3.1 | 150 | 40.8 |
| 8 | 0.7 | 9.70 | 2.7 | 170 | 42.3 |
| 9 | 7.4 | 15.69 | 3.8 | 150 | 19.1 |
| 10 | 9.8 | 20.64 | 4.2 | 170 | 17.9 |
| 11 | 10.4 | 24.61 | 6.5 | 230 | 21.0 |
| 12 | 11.1 | 25.58 | 6.8 | 230 | 25.4 |
| 13 | 11.2 | 25.77 | 6.5 | 230 | 19.9 |
| 14 | 11.3 | 22.32 | 6.3 | 230 | 17.9 |
| 15 | 5.2 | 17.74 | 4.4 | 230 | 19.2 |
| 16 | 3.0 | 16.47 | 4.8 | 140 | 14.5 |
| 17 | 0.1 | 6.08 | 4.4 | 150 | 11.9 |
| 18 | 4.5 | 13.27 | 4.0 | 220 | 14.4 |
| 19 | 4.8 | 13.70 | 3.5 | 160 | 8.2 |
| 20 | 2.9 | 10.72 | 4.6 | 060 | 7.9 |
| 21 | 0.7 | 8.35 | 3.6 | 200 | 17.5 |
| 22 | 1.0 | 8.51 | 3.3 | 200 | 30.5 |
| 23 | 2.0 | 7.09 | 1.5 | 190 | 35.0 |
| 24 | 6.4 | 13.79 | 4.0 | 180 | 28.7 |
| 25 | 9.0 | 19.58 | 4.3 | 180 | 24.7 |
| 26 | 5.6 | 11.85 | 3.3 | 170 | 22.0 |
| 27 | 9.2 | 20.95 | 5.4 | 220 | 17.8 |
| 28 | 8.8 | 22.63 | 5.9 | 200 | 19.6 |
| 29 | 8.9 | 19.08 | 5.0 | 220 | 18.1 |
| 30 | 8.4 | 16.87 | 3.9 | 180 | 15.8 |
| Mean/Total | 191.0 | 16.38 | 136.8 | 190 | 20.0 |
| Normal | 161.1 | 16.55 | 143.9 | 090 | 21.6 |
| Station | King's Park | Waglan Island^ | |||
The minimum pressure recorded at the Hong Kong Observatory was 980.8 hectopascals at 0352 HKT on 7 June.
The maximum air temperature recorded at the Hong Kong Observatory was 33.4 degrees C at 1337 HKT on 6 June.
The minimum air temperature recorded at the Hong Kong Observatory was 25.0 degrees C at 0932 HKT on 17 June.
The maximum gust peak speed recorded at Waglan Island was 92 kilometres per hour from 260 degrees at 0333 HKT on 7 June.
The maximum instantaneous rate of rainfall recorded at King's Park was 164 millimetres per hour at 0737 HKT on 17 June.
^ 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.