EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, MAY 2002
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
MAY 2002
| Date MAY |
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 | 1010.1 | 28.4 | 26.3 | 25.0 | 23.1 | 83 | 53 | Trace |
| 2 | 1011.9 | 29.9 | 27.2 | 25.3 | 23.4 | 81 | 53 | - |
| 3 | 1012.6 | 30.2 | 27.5 | 25.7 | 23.4 | 79 | 48 | - |
| 4 | 1012.3 | 29.9 | 27.4 | 25.7 | 23.2 | 79 | 68 | - |
| 5 | 1011.0 | 29.3 | 27.1 | 25.9 | 23.1 | 79 | 79 | Trace |
| 6 | 1009.9 | 29.1 | 27.1 | 25.7 | 23.5 | 81 | 64 | 0.2 |
| 7 | 1009.6 | 30.6 | 27.7 | 25.8 | 23.2 | 77 | 29 | - |
| 8 | 1011.2 | 30.0 | 27.7 | 26.1 | 23.3 | 77 | 65 | Trace |
| 9 | 1011.2 | 28.0 | 26.4 | 25.2 | 24.6 | 90 | 88 | 19.3 |
| 10 | 1010.1 | 29.5 | 26.8 | 24.2 | 24.0 | 86 | 89 | 56.3 |
| 11 | 1010.3 | 30.2 | 27.6 | 24.0 | 23.4 | 79 | 82 | 31.3 |
| 12 | 1012.2 | 28.4 | 26.6 | 25.5 | 24.7 | 89 | 93 | 29.7 |
| 13 | 1011.6 | 28.8 | 26.5 | 24.7 | 24.2 | 87 | 81 | 6.0 |
| 14 | 1008.4 | 29.9 | 27.6 | 24.1 | 24.5 | 83 | 84 | 21.2 |
| 15 | 1007.9 | 28.4 | 26.4 | 23.9 | 22.5 | 80 | 90 | 1.4 |
| 16 | 1008.5 | 29.0 | 26.4 | 23.5 | 23.5 | 85 | 90 | 18.2 |
| 17 | 1008.0 | 26.5 | 24.4 | 22.3 | 22.5 | 89 | 92 | 23.0 |
| 18 | 1007.6 | 26.8 | 25.4 | 24.6 | 23.5 | 89 | 85 | 5.1 |
| 19 | 1004.9 | 27.7 | 25.7 | 24.5 | 24.8 | 94 | 88 | 34.3 |
| 20 | 1003.9 | 27.8 | 26.2 | 25.0 | 24.8 | 92 | 95 | 7.2 |
| 21 | 1003.3 | 30.7 | 29.2 | 27.2 | 25.6 | 81 | 89 | - |
| 22 | 1005.1 | 30.9 | 29.0 | 26.4 | 25.7 | 82 | 89 | 13.9 |
| 23 | 1008.4 | 30.3 | 27.7 | 25.7 | 23.8 | 80 | 91 | 3.4 |
| 24 | 1011.3 | 28.2 | 26.6 | 25.1 | 21.7 | 75 | 89 | Trace |
| 25 | 1011.1 | 28.9 | 26.4 | 24.8 | 19.8 | 68 | 88 | Trace |
| 26 | 1010.2 | 29.3 | 26.8 | 25.2 | 18.5 | 61 | 83 | Trace |
| 27 | 1009.3 | 29.9 | 27.2 | 25.2 | 21.9 | 73 | 63 | Trace |
| 28 | 1008.7 | 29.2 | 27.3 | 26.1 | 22.7 | 76 | 70 | - |
| 29 | 1007.7 | 30.1 | 27.8 | 25.9 | 23.3 | 77 | 57 | - |
| 30 | 1006.3 | 31.8 | 28.0 | 25.8 | 24.2 | 80 | 78 | 4.9 |
| 31 | 1004.6 | 31.0 | 28.0 | 26.5 | 23.5 | 77 | 78 | 0.2 |
| Mean/Total | 1009.0 | 29.3 | 27.0 | 25.2 | 23.4 | 81 | 77 | 275.6 |
| Normal | 1009.1 | 28.7 | 25.9 | 23.9 | 22.6 | 83 | 74 | 316.7 |
| Station | Hong Kong Observatory | |||||||
| Date MAY |
Total Bright Sunshine (hours) |
Daily Global Solar Radiation (MJ/m2) |
Total Evaporation (mm) |
Prevailing Wind Direction (degrees) |
Mean Wind Speed (km/h) |
|---|---|---|---|---|---|
| 1 | 8.1 | 19.00 | 4.4 | 090 | 9.6 |
| 2 | 11.5 | 24.72 | 5.9 | 090 | 15.6 |
| 3 | 10.3 | 23.90 | 5.6 | 090 | 17.8 |
| 4 | 10.3 | 22.28 | 5.6 | 080 | 20.1 |
| 5 | 10.0 | 16.51 | 4.5 | 090 | 24.5 |
| 6 | 9.5 | 18.38 | 4.1 | 100 | 12.8 |
| 7 | 11.4 | 24.88 | 5.9 | 120 | 8.1 |
| 8 | 11.4 | 25.08 | 6.6 | 090 | 14.6 |
| 9 | 2.0 | 8.92 | 2.9 | 100 | 26.4 |
| 10 | 3.1 | 13.75 | 4.8 | 160 | 9.9 |
| 11 | 7.7 | 21.00 | 4.8 | 220 | 9.4 |
| 12 | 0.7 | 7.44 | 3.0 | 090 | 24.1 |
| 13 | 2.1 | 10.16 | 2.2 | 100 | 28.2 |
| 14 | 4.0 | 12.23 | 4.0 | 160 | 30.3 |
| 15 | 1.7 | 13.47 | 2.8 | 290 | 7.3 |
| 16 | 1.3 | 9.63 | 3.6 | 110 | 9.7 |
| 17 | 0.3 | 9.77 | 1.6 | 060 | 16.9 |
| 18 | 0.1 | 7.52 | 1.0 | 090 | 16.3 |
| 19 | 1.0 | 8.91 | 2.8 | 160 | 12.4 |
| 20 | - | 8.80 | 1.8 | 090 | 24.3 |
| 21 | 0.9 | 9.71 | 3.0 | 200 | 26.3 |
| 22 | 1.5 | 13.36 | 3.2 | 230 | 23.4 |
| 23 | 5.1 | 17.14 | 4.7 | 010 | 15.1 |
| 24 | 1.9 | 14.66 | 4.4 | 090 | 22.2 |
| 25 | 3.0 | 16.22 | 4.5 | 080 | 18.7 |
| 26 | 5.3 | 19.36 | 6.2 | 070 | 19.0 |
| 27 | 11.2 | 23.71 | 5.8 | 080 | 29.8 |
| 28 | 7.9 | 16.90 | 4.6 | 060 | 35.3 |
| 29 | 5.0 | 14.16 | 3.3 | 050 | 14.4 |
| 30 | 6.5 | 15.92 | 4.3 | 230 | 16.0 |
| 31 | 5.4 | 15.75 | 4.1 | 230 | 17.1 |
| Mean/Total | 160.2 | 15.59 | 126.0 | 090 | 18.6 |
| Normal | 153.8 | 16.12 | 137.7 | 090 | 19.2 |
| Station | King's Park | Waglan Island^ | |||
The minimum pressure recorded at the Hong Kong Observatory was 1001.7 hectopascals at 1638 HKT on 21 May.
The maximum air temperature recorded at the Hong Kong Observatory was 31.8 degrees C at 1400 HKT on 30 May.
The minimum air temperature recorded at the Hong Kong Observatory was 22.3 degrees C at 0722 HKT on 17 May.
The maximum gust peak speed recorded at Waglan Island was 70 kilometres per hour from 250 degrees at 2016 HKT on 14 May.
The maximum instantaneous rate of rainfall recorded at King's Park was 183 millimetres per hour at 0422 HKT on 11 May.
^ 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.