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WEATHER CONDITIONS IN MUI WO
Automatic Weather Station (AWS)

The automatic weather station (AWS) is located in Mui Wo (Lantau Island, Hong Kong) This AWS should be able to provide weather information for the eastern part of Lantau Island.

This AWS is equipped with Vantage Pro2™ Cabled Integrated Sensor Suite™ with Cabled Weather Envoy™ and WeatherLink™ software from Davis and is capable of measuring temperature, relative humidity, dew point temperature, barometric pressure, rainfall, wind speed and direction.

About AWS


August 2005


Date
Hour
Wind
Dir.
Observations
with clouds and
Hong Kong Observatory warnings in effect
Daily Summary
31/08/05
2.00
1002.6
26.0
23.1
28.4
84
WSW
1.6
clear /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

34.2
25.7
41.7
85
55
0.0
32.2

31/08/05
8.00
1003.0
28.9
23.3
33.1
72
ESE
0.0
sunny haze
31/08/05
14.00
1000.6
32.7
23.1
38.1
57
NNW
12.9
sunny haze
31/08/05
20.00
1000.0
29.7
25.7
36.2
79
NNW
1.6
clear /
30/08/05
2.00
1005.3
27.5
24.8
31.7
85
ESE
6.4
partly cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

32.1
26.6
37.8
89
59
0.0
16.1

30/08/05
8.00
1005.9
27.4
24.2
31.1
83
N
0.0
mainly cloudy Cu Cb
30/08/05
14.00
1003.8
30.8
24.7
36.7
70
E
3.4
partly cloudy Cu
30/08/05
20.00
1003.1
28.0
24.4
32.4
81
SSE
0.0
clear /
28/08/05
2.00
1007.7
27.2
24.3
30.8
84
ESE
0.0
cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

30.8
26.9
36.7
87
68
0.0
25.7

28/08/05
8.00
1007.9
28.1
23.9
32.1
78
NE
4.8
mainly cloudy Cu
28/08/05
14.00
1007.1
30.4
24.8
36.4
72
SW
6.4
mainly cloudy Cu
28/08/05
20.00
1007.3
28.4
24.7
33.5
80
E
1.6
mainly cloudy /
27/08/05
2.00
1008.2
26.6
24.1
29.8
86
ENE
1.6
mainly cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

29.9
26.2
35.6
89
72
0.0
22.5

27/08/05
8.00
1009.2
27.2
24.0
30.6
83
SW
6.4
mainly cloudy Cu
27/08/05
14.00
1007.8
29.7
24.4
35.1
73
SW
6.4
cloudy Sc Ns
27/08/05
20.00
1007.6
27.7
24.3
31.7
82
ENE
0.0
cloudy /
26/08/05
2.00
1007.1
26.2
22.3
28.3
79
WNW
1.6
mainly cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

29.3
25.8
33.9
86
68
0.0
20.9

26/08/05
8.00
1008.7
27.2
23.7
30.4
81
W
3.2
cloudy haze As
26/08/05
14.00
1008.2
27.4
24.2
31.1
83
E
9.7
cloudy haze As
26/08/05
20.00
1008.2
26.9
23.8
30.1
83
S
0.0
mainly cloudy /
25/08/05
2.00
1005.0
26.6
24.0
29.7
86
WSW
0.0
partly cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

29.9
25.6
35.0
89
65
20.2
24.1

25/08/05
8.00
1006.1
26.6
22.4
28.8
78
NNW
6.4
cloudy haze As Ns
25/08/05
14.00
1004.8
29.3
22.5
32.9
67
NNW
9.7
mainly cloudy haze As Cu
25/08/05
20.00
1007.3
27.1
22.7
29.7
77
WSW
1.6
mainly cloudy /
24/08/05
2.00
1006.4
27.1
25.3
31.5
90
SW
0.0
cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

29.9
26.1
36.1
92
73
7.4
27.4

24/08/05
8.00
1006.1
28.4
25.2
33.8
83
SW
8.0
partly cloudy Cu
24/08/05
14.00
1004.8
27.2
23.8
30.4
82
NNW
6.4
mainly cloudy Cu
24/08/05
20.00
1005.7
27.4
24.5
31.4
84
W
0.0
partly cloudy /
23/08/05
2.00
1008.1
26.8
25.2
31.0
91
ESE
0.0
partly cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

30.8
26.8
37.2
91
70
0.0
32.2

23/08/05
8.00
1008.9
28.2
24.8
33.0
82
SSE
1.6
partly cloudy Cu
23/08/05
14.00
1007.2
30.1
25.1
36.3
75
S
11.3
partly cloudy Cu
23/08/05
20.00
1006.7
28.2
25.3
33.5
84
ESE
3.2
partly cloudy /
22/08/05
2.00
1006.3
26.6
25.2
30.6
92
ESE
1.6
rain thunderstorm warning /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

31.3
26.6
38.3
93
71
6.4
41.8

22/08/05
8.00
1008.1
27.7
25.4
32.7
87
SW
3.2
mainly cloudy Cu
22/08/05
14.00
1007.6
29.4
25.6
35.7
80
SSW
19.3
mainly cloudy Cu
22/08/05
20.00
1008.2
27.9
25.4
33.1
86
S
4.8
mainly cloudy /
21/08/05
2.00
1002.7
26.9
25.3
31.1
91
S
4.8
cloudy landslip warning /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

27.5
26.5
32.2
95
85
5.0
25.7

21/08/05
8.00
1003.9
27.4
25.2
31.9
88
S
4.8
cloudy landslip warning Sc Ns
21/08/05
14.00
1005.1
27.1
25.0
31.2
88
S
8.0
cloudy landslip warning Sc Ns
21/08/05
20.00
1005.8
26.9
25.3
31.1
91
S
3.2
cloudy landslip warning /
20/08/05
2.00
1003.1
25.0
23.4
27.3
91
S
14.5
rain landslip warning /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

25.6
232
28.3
96
88
196.6
66.0

20/08/05
8.00
1003.5
24.3
22.8
26.3
91
SW
17.7
rain strong monsoon signal thunderstorm warning amber rainstorm warning landslip warningflood Cb Ns
20/08/05
14.00
1003.0
24.3
22.9
26.4
92
S
14.5
rain strong monsoon signal thunderstorm warning amber rainstorm warning landslip warning flood Cb Ns
20/08/05
20.00
1003.0
24.7
22.9
26.7
90
WSW
9.7
rain strong monsoon signal amber rainstorm warning landslip warning flood /
19/08/05
2.00
1006.0
24.8
23.4
27.1
92
SW
4.8
rain /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

26.4
24.1
29.4
94
85
208.0
49.9

19/08/05
8.00
1006.1
25.1
23.7
27.4
92
SW
12.9
rain Cb
19/08/05
14.00
1004.4
25.6
23.3
28.1
87
WSW
8.0
rain Cb Cu Sc
19/08/05
20.00
1004.2
25.1
23.9
27.6
93
SW
4.8
rain /
18/08/05
2.00
1005.6
24.5
22.9
26.5
91
SW
0.0
cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

27.8
24.3
32.2
95
79
27.8
46.7

18/08/05
8.00
1006.0
25.4
23.6
27.9
90
ENE
1.6
cloudy Cu Sc
18/08/05
14.00
1004.6
27.4
24.0
31.0
82
SW
6.4
cloudy Cu Sc
18/08/05
20.00
1005.8
25.7
23.2
28.2
86
SW
9.7
cloudy /
17/08/05
2.00
1003.8
25.9
23.0
28.4
84
SSE
6.4
cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

28.3
25.4
32.2
92
75
20.4
25.7

17/08/05
8.00
1004.6
26.2
23.8
29.1
87
SSE
1.6
rain Cb
17/08/05
14.00
1004.6
26.3
23.2
28.9
83
ESE
3.2
cloudy Cu Sc
17/08/05
20.00
1005.1
25.9
23.9
28.8
89
S
1.6
cloudy /
16/08/05
2.00
1004.2
25.9
24.5
29.2
92
SE
0.0
cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

28.9
24.1
33.3
94
87
69.4
29.0

16/08/05
8.00
1005.0
24.8
23.4
27.1
92
SW
8.0
rain Cb
16/08/05
14.00
1004.1
27.8
23.4
31.3
77
SW
8.0
cloudy As Cu Sc
16/08/05
20.00
1004.1
25.9
23.0
28.3
84
S
3.2
cloudy /
15/08/05
2.00
1004.1
28.3
25.5
33.8
85
SE
1.6
cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

29.8
24.7
36.1
93
71
49.8
27.4

15/08/05
8.00
1004.7
28.4
25.7
34.3
85
ESE
1.6
cloudy As Cu
15/08/05
14.00
1004.0
28.3
24.5
33.2
80
SE
1.6
cloudy As Cu Sc
15/08/05
20.00
1004.5
25.2
24.0
27.7
93
SSE
0.0
cloudy /
14/08/05
2.00
1001.3
25.4
21.3
27.1
78
SSW
16.1
cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

30.5
24.8
27.2
90
71
2.4
51.5

14/08/05
8.00
1003.0
28.3
25.1
33.5
83
SW
4.8
mainly cloudy Cu Ac
14/08/05
14.00
1003.3
29.9
25.3
36.2
76
SW
8.0
mainly cloudy Cu
14/08/05
20.00
1004.0
28.7
25.3
34.6
82
ENE
1.6
partly cloudy /
13/08/05
2.00
998.6
27.1
24.7
30.9
87
WSW
3.2
cloudy Typhoon Signal No 1 /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

29.6
23.0
36.1
94
70
90.6
67.6

13/08/05
8.00
997.6
27.6
23.6
31.1
79
NNW
3.2
cloudy Typhoon Signal No 1 As Ns
13/08/05
14.00
997.2
27.3
24.8
31.4
86
ESE
1.6
cloudy Typhoon Signal No 1 thunderstorm warning As Ns
13/08/05
20.00
999.0
27.1
24.3
30.6
85
SSW
9.7
cloudy thunderstorm warning /
12/08/05
2.00
1002.3
27.2
23.0
29.9
78
W
4.8
partly cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

33.9
27.0
41.0
82
55
0.6
43.5

12/08/05
8.00
1001.1
28.4
24.4
33.3
79
NNW
9.7
partly cloudy Cu haze
12/08/05
14.00
997.8
33.3
24.2
40.2
59
NNW
9.7
partly cloudy Cu haze Typhoon Signal No 1
12/08/05
20.00
998.6
28.9
24.9
34.5
79
S
1.6
mainly cloudy Typhoon Signal No 1 thunderstorm warning /
11/08/05
2.00
1002.5
27.6
24.8
31.9
85
SW
11.3
rain /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

30.7
25.8
37.8
91
67
11.4
33.8

11/08/05
8.00
1003.5
27.4
24.7
31.6
85
E
4.8
mainly cloudy Cu Ac
11/08/05
14.00
1002.5
30.1
24.5
35.8
72
E
11.3
partly cloudy Cu Ac
11/08/05
20.00
1003.2
29.0
24.1
33.9
75
ESE
3.2
partly cloudy /
10/08/05
2.00
1001.3
28.4
24.4
33.3
79
E
8.0
mainly cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

30.6
25.8
36.7
90
69
23.2
35.4

10/08/05
8.00
1002.2
28.5
24.5
33.4
79
ESE
12.9
mainly cloudy Cu Ac
10/08/05
14.00
1001.4
30.3
24.7
36.3
72
ESE
14.5
mainly cloudy Cu Ac
10/08/05
20.00
1001.9
28.8
24.2
33.8
76
E
14.5
mainly cloudy /
9/08/05
2.00
1003.5
25.9
24.2
28.9
90
WSW
3.2
mainly cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

31.9
25.9
38.9
90
80
7.6
29.0

9/08/05
8.00
1004.0
26.6
24.6
30.2
89
WSW
0.0
cloudy Cb Ns
9/08/05
14.00
1002.8
31.8
24.4
38.1
65
SSW
4.8
partly cloudy Cu
9/08/05
20.00
1002.0
29.0
24.8
34.6
78
SW
12.9
mainly cloudy /
8/08/05
2.00
1001.9
28.2
25.8
33.9
87
S
1.6
rain
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

32.3
26.7
39.4
92
64
9.2
22.5
8/08/05
8.00
1003.1
30.7
26.0
38.2
76
WSW
0.0
partly cloudy Cu
8/08/05
14.00
1002.5
32.0
25.4
39.6
68
SE
6.4
partly cloudy Cu
8/08/05
20.00
1003.2
29.5
25.0
35.2
77
E
6.4
partly cloudy /
7/08/05
2.00
997.7
28.6
26.6
35.6
89
SSW
11.3
rain /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

32.1
26.9
40.6
91
69
28.4
43.5

7/08/05
8.00
998.9
29.2
25.6
25.4
81
SW
8.0
partly cloudy Cu
7/08/05
14.00
999.0
31.4
26.0
39.1
73
SSW
4.8
partly cloudy Cu
7/08/05
20.00
1006.6
29.4
25.6
25.8
80
SSW
1.6
partly cloudy /
6/08/05
2.00
997.7
28.2
25.7
33.8
86
W
6.4
partly cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

34.8
26.4
44.5
87
50
1.4
35.4

6/08/05
8.00
998.1
27.4
24.6
31.4
85
WSW
0.0
partly cloudy Cu Cb haze
6/08/05
14.00
996.0
33.6
25.0
41.7
61
ESE
3.2
partly cloudy Cu haze
6/08/05
20.00
996.2
29.8
26.2
36.8
81
S
11.3
partly cloudy /
5/08/05
2.00
998.5
28.3
24.9
33.3
82
SSW
9.7
partly cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

33.8
27.6
42.8
87
76
0.4
32.2

5/08/05
8.00
999.7
28.9
24.9
34.6
79
W
1.6
partly cloudy Cu
5/08/05
14.00
997.8
32.2
25.3
39.8
67
S
8.0
partly cloudy Cu
5/08/05
20.00
997.3
29.5
24.8
35.1
76
SSW
8.0
partly cloudy /
4/08/05
2.00
1000.9
27.6
24.3
31.6
82
NW
6.4
clear /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

32.0
26.8
40.6
86
68
0.0
37.0
4/08/05
8.00
1000.9
29.2
24.3
34.3
75
SW
0.0
mainly cloudy Cu hot weather warning
4/08/05
14.00
999.1
30.8
25.6
37.7
74
SSW
14.5
mainly cloudy Cu hot weather warning
4/08/05
20.00
998.9
28.7
25.7
34.9
84
SSW
12.9
partly cloudy /
3/08/05
2.00
1003.1
26.3
23.6
29.1
85
W
1.6
clear /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

32.8
25.8
39.4
86
60
0.0
35.4

3/08/05
8.00
1003.2
29.2
24.5
34.4
76
WSW
3.2
partly cloudy Cu
3/08/05
14.00
1001.4
31.2
24.8
37.2
69
SW
9.7
partly cloudy Cu
3/08/05
20.00
1000.1
29.1
24.6
34.4
77
NW
1.6
clear /
2/08/05
2.00
1006.4
27.8
25.0
32.4
85
SSE
1.6
partly cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

32.4
27.0
28.9
88
61
0.0
29.0

2/08/05
8.00
1006.6
29.9
25.6
36.4
78
E
1.6
mainly cloudy Cu
2/08/05
14.00
1005.0
31.8
24.6
38.2
66
SSW
6.4
mainly cloudy Cu
2/08/05
20.00
1003.9
28.9
25.1
34.7
80
S
4.8
partly cloudy /
1/08/05
2.00
1007.5
27.4
25.0
31.8
87
SE
0.0
cloudy /
Max Temp.(C)
Min Temp.(C)
Max Heat Index (C)
Max. humidity (%)
Min. humidity (%)
Total rainfall (mm)
Max. wind (km/h)

32.0
26.9
38.9
91
66
0.0
16.1

1/08/05
8.00
1008.4
35.2
25.2
35.2
79
ESE
1.6
mainly cloudy Cu
1/08/05
14.00
1007.5
37.4
25.0
37.4
70
E
4.8
mainly cloudy Cu
1/08/05
20.00
1006.7
34.8
25.4
34.8
82
SE
3.2
mainly cloudy /
 
© Jacek Piwowarczyk, 2005

Please note that data are for personal interest only. Do not use the data for decision making
Note: Complete Hong Kong current weather conditions and forecast can be found at the Hong Kong Observatory website at: http://www.hko.gov.hk/contente.htm.
Another comprehensive weather website is called Weather Underground of Hong Kong and can be accessed at: http://www.underground.org.hk/.

Meteorological terms explanatory notes: please click here

Clouds Abbreviations:
St stratus
Fra fractus
Sc stratocumulus
Ns nimbostratus
As altostratus
Ac altocumulus
Ci cirrus
 Cs cirrostratus
Cc cirrocumlus
Cu cumulus (humilis, mediocris)
Cu cumulus congestus
Cb cumulonimbus
/ Cloud not visible owing to darkness, fog, duststorm, sandstorm, or other analogous phenomena

Tropical cyclones in August:

1. Typhoon Matsa: 31.07.2005 - 6.08.2005 (Hong Kong was not affected by this system)
Please click here to see its track by HKO or here by PAGASA.

2. Severe Tropical Storm Sanvu: 10.08 - 14.08.2005
Please click here to see its track by HKO or here by Typhoon2000.com.
Typhoon Signal No 1 Typhoon signal No.1 12.-13.08.2005

3. Typhoon Talim: 26.08 - 2.09.2005 (Hong Kong was not affected by this system) which severly hit Taiwan and Zhejiang Province)
Please click here to see its track by HKO or here by Typhoon2000.com.



© Jacek Piwowarczyk, Hong Kong, August 2005

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