EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, MAY 2003
EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG,
MAY 2003
| 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 | 1013.3 | 24.9 | 23.5 | 21.3 | 18.7 | 75 | 65 | 1.4 |
| 2 | 1010.8 | 25.2 | 24.1 | 23.1 | 20.8 | 82 | 85 | - |
| 3 | 1008.7 | 25.9 | 24.6 | 23.9 | 23.3 | 92 | 92 | 19.8 |
| 4 | 1006.7 | 28.8 | 25.5 | 23.5 | 23.4 | 89 | 88 | 33.4 |
| 5 | 1005.6 | 27.2 | 24.9 | 23.3 | 23.8 | 93 | 92 | 141.1 |
| 6 | 1005.2 | 29.1 | 28.1 | 26.5 | 25.1 | 84 | 88 | Trace |
| 7 | 1007.1 | 29.6 | 28.5 | 27.6 | 25.3 | 83 | 86 | 0.4 |
| 8 | 1010.7 | 30.9 | 28.7 | 27.4 | 24.9 | 80 | 75 | Trace |
| 9 | 1014.7 | 27.5 | 25.5 | 24.4 | 22.3 | 83 | 87 | Trace |
| 10 | 1014.7 | 27.4 | 25.4 | 24.3 | 21.6 | 80 | 64 | Trace |
| 11 | 1013.5 | 28.3 | 25.9 | 24.5 | 22.0 | 80 | 49 | Trace |
| 12 | 1012.7 | 28.1 | 26.3 | 25.4 | 23.8 | 86 | 85 | Trace |
| 13 | 1011.4 | 29.9 | 27.2 | 25.8 | 24.5 | 85 | 80 | Trace |
| 14 | 1008.7 | 32.1 | 28.0 | 26.1 | 24.1 | 80 | 81 | 2.3 |
| 15 | 1007.9 | 31.5 | 28.6 | 26.2 | 24.6 | 80 | 81 | Trace |
| 16 | 1006.8 | 31.2 | 29.1 | 27.8 | 24.6 | 77 | 88 | Trace |
| 17 | 1004.6 | 31.3 | 29.2 | 27.7 | 25.2 | 79 | 87 | 4.1 |
| 18 | 1006.2 | 28.4 | 26.7 | 25.0 | 24.5 | 88 | 89 | 16.4 |
| 19 | 1011.0 | 27.2 | 25.4 | 23.8 | 22.4 | 84 | 88 | 2.3 |
| 20 | 1012.6 | 29.9 | 26.9 | 25.2 | 23.1 | 80 | 75 | - |
| 21 | 1011.8 | 29.6 | 27.2 | 25.6 | 21.7 | 73 | 29 | - |
| 22 | 1009.7 | 29.3 | 27.5 | 26.0 | 24.2 | 83 | 62 | 0.1 |
| 23 | 1008.4 | 30.3 | 28.0 | 26.4 | 24.2 | 80 | 60 | - |
| 24 | 1006.6 | 30.5 | 28.5 | 27.1 | 24.8 | 81 | 81 | Trace |
| 25 | 1005.9 | 30.7 | 27.5 | 25.3 | 24.9 | 86 | 87 | 27.7 |
| 26 | 1005.2 | 29.1 | 27.1 | 26.0 | 23.0 | 79 | 76 | Trace |
| 27 | 1003.1 | 27.7 | 26.4 | 25.7 | 21.8 | 76 | 86 | - |
| 28 | 1003.0 | 26.3 | 25.8 | 25.3 | 22.2 | 81 | 89 | Trace |
| 29 | 1004.1 | 27.6 | 26.4 | 25.4 | 23.1 | 82 | 91 | Trace |
| 30 | 1004.8 | 30.9 | 28.1 | 26.2 | 23.5 | 77 | 70 | - |
| 31 | 1007.0 | 31.3 | 28.1 | 26.5 | 21.7 | 69 | 43 | - |
| Mean/Total | 1008.5 | 29.0 | 26.9 | 25.4 | 23.3 | 81 | 77 | 249.0 |
| 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 | 3.7 | 14.40 | 4.0 | 080 | 29.7 |
| 2 | 1.2 | 11.42 | 1.8 | 080 | 24.7 |
| 3 | - | 4.23 | 2.7 | 090 | 23.0 |
| 4 | 1.4 | 9.15 | 2.3 | 170 | 23.4 |
| 5 | - | 3.95 | 1.7 | 190 | 24.7 |
| 6 | 4.0 | 8.44 | 2.2 | 190 | 30.2 |
| 7 | 0.6 | 5.60 | 2.0 | 190 | 22.8 |
| 8 | 8.9 | 20.85 | 3.7 | 220 | 12.9 |
| 9 | 3.8 | 12.16 | 4.1 | 080 | 35.5 |
| 10 | 7.5 | 19.45 | 5.1 | 080 | 23.6 |
| 11 | 9.2 | 22.59 | 5.0 | 070 | 23.8 |
| 12 | 4.5 | 14.39 | 3.2 | 080 | 20.2 |
| 13 | 7.5 | 21.37 | 5.2 | 090 | 11.5 |
| 14 | 8.2 | 21.84 | 5.7 | 200 | 6.9 |
| 15 | 7.1 | 18.53 | 5.6 | 200 | 9.7 |
| 16 | 5.5 | 12.27 | 4.7 | 200 | 27.7 |
| 17 | 4.4 | 15.82 | 5.0 | 230 | 32.3 |
| 18 | - | 4.36 | 1.5 | 020 | 18.0 |
| 19 | 1.3 | 9.26 | 2.4 | 080 | 16.5 |
| 20 | 6.4 | 17.75 | 4.7 | 070 | 18.0 |
| 21 | 11.6 | 24.32 | 5.6 | 080 | 20.7 |
| 22 | 9.9 | 22.45 | 5.4 | 100 | 17.0 |
| 23 | 7.8 | 22.60 | 4.9 | 100 | 14.1 |
| 24 | 5.1 | 14.43 | 3.6 | 130 | 11.6 |
| 25 | 2.2 | 10.49 | 3.5 | 070 | 9.7 |
| 26 | 7.1 | 19.65 | 5.1 | 080 | 27.9 |
| 27 | 4.3 | 15.26 | 4.0 | 090 | 27.8 |
| 28 | - | 4.61 | 1.7 | 090 | 16.9 |
| 29 | - | 4.69 | 1.3 | 090 | 5.2 |
| 30 | 6.7 | 15.74 | 3.7 | 090 | 11.0 |
| 31 | 10.1 | 22.65 | 6.5 | 080 | 18.7 |
| Mean/Total | 150.0 | 14.35 | 117.9 | 080 | 19.9 |
| 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 1001.6 hectopascals at 1646 HKT on 27 May and at 1635 HKT on 28 May.
The maximum air temperature recorded at the Hong Kong Observatory was 32.1 degrees C at 1455 HKT on 14 May.
The minimum air temperature recorded at the Hong Kong Observatory was 21.3 degrees C at 0842 HKT on 1 May.
The maximum gust peak speed recorded at Waglan Island was 68 kilometres per hour from 170 degrees at 0552 HKT on 5 May.
The maximum instantaneous rate of rainfall recorded at King's Park was 211 millimetres per hour at 1003 HKT on 5 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.