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Daily Normal of Meteorological Elements for Hong Kong, October 1991-2020



The below figures represent daily mean values of the weather elements calculated from data
in the 30 years from 1991 to 2020 for the 5-day period centred on the day specified.
Date Mean
Pressure
(hPa)
Figure
Air Temperature
Figure
Wet Bulb
(deg. C)
Figure
Dew Point
(deg. C)
Figure
Relative
Humidity
(%)
Figure
Mean
Daily
Rainfall
(mm)
Figure
Amount
of Cloud
(%)
Figure
Mean
Maximum
(deg. C)
Mean
(deg. C)
Mean
Minimum
(deg. C)
1-Oct 1011.4 29.7 27.2 25.4 24.0 22.5 76 5.9 61
2-Oct 1011.8 29.6 27.2 25.4 24.0 22.4 76 5.7 61
3-Oct 1012.0 29.5 27.1 25.3 23.8 22.2 76 6.6 61
4-Oct 1012.2 29.4 26.9 25.1 23.5 21.8 75 7.4 61
5-Oct 1012.3 29.2 26.8 24.9 23.3 21.5 74 7.0 61
6-Oct 1012.5 29.1 26.7 24.8 23.1 21.2 73 5.7 62
7-Oct 1012.6 29.0 26.6 24.7 22.9 21.0 72 5.3 62
8-Oct 1012.7 28.9 26.5 24.6 22.8 20.9 72 3.6 60
9-Oct 1012.8 28.8 26.5 24.6 22.8 20.9 73 2.0 60
10-Oct 1013.0 28.8 26.4 24.6 22.9 21.0 73 2.6 60
11-Oct 1013.2 28.7 26.3 24.5 22.9 21.2 74 3.1 61
12-Oct 1013.4 28.5 26.2 24.4 22.9 21.3 75 4.2 63
13-Oct 1013.6 28.3 26.0 24.3 22.9 21.3 76 5.1 65
14-Oct 1013.7 28.3 25.9 24.2 22.7 21.1 76 5.7 65
15-Oct 1013.9 28.2 25.8 24.1 22.5 20.8 75 5.4 64
16-Oct 1014.1 28.0 25.6 23.9 22.3 20.5 74 6.5 63
17-Oct 1014.4 27.9 25.5 23.8 22.1 20.2 73 6.9 61
18-Oct 1014.5 27.8 25.4 23.7 21.8 19.8 72 6.0 59
19-Oct 1014.5 27.7 25.2 23.5 21.6 19.6 72 6.1 57
20-Oct 1014.4 27.6 25.1 23.3 21.5 19.5 72 5.8 55
21-Oct 1014.4 27.6 25.1 23.3 21.4 19.3 71 4.2 52
22-Oct 1014.5 27.6 25.0 23.2 21.4 19.2 71 2.6 49
23-Oct 1014.8 27.5 25.0 23.2 21.4 19.2 71 1.7 49
24-Oct 1015.1 27.4 25.0 23.2 21.3 19.2 71 0.8 50
25-Oct 1015.6 27.3 24.9 23.1 21.2 19.1 71 0.4 52
26-Oct 1015.9 27.2 24.8 23.0 21.2 19.0 71 0.3 54
27-Oct 1016.1 27.1 24.6 22.8 21.0 18.8 71 0.4 55
28-Oct 1016.3 26.9 24.4 22.6 20.7 18.4 71 0.9 54
29-Oct 1016.4 26.7 24.2 22.3 20.4 18.0 70 0.9 53
30-Oct 1016.4 26.5 24.0 22.1 20.1 17.6 69 0.9 51
31-Oct 1016.6 26.3 23.8 21.8 19.8 17.2 68 0.9 51
Observed at Hong Kong Observatory

Date Bright
Sunshine
Duration
(hours)
Figure
Wind
Figure
Sea Temperature
Figure
Prevailing
Direction
(degrees)
Mean
Speed
(km/h)
AM
(deg. C)
PM
(deg. C)
1-Oct 6.1 80 24 27.3 27.6
2-Oct 6.0 80 24 27.2 27.6
3-Oct 6.1 80 24 27.2 27.4
4-Oct 6.0 80 25 27.1 27.4
5-Oct 6.1 80 25 27.1 27.3
6-Oct 6.1 80 24 27.0 27.3
7-Oct 6.3 80 24 27.0 27.3
8-Oct 6.3 80 24 27.0 27.3
9-Oct 6.3 80 24 27.0 27.3
10-Oct 6.2 80 25 27.0 27.3
11-Oct 6.1 80 26 26.9 27.3
12-Oct 5.6 80 27 26.8 27.2
13-Oct 5.4 80 28 26.8 27.1
14-Oct 5.6 80 28 26.7 27.0
15-Oct 5.7 80 28 26.7 27.0
16-Oct 5.8 80 27 26.6 26.9
17-Oct 6.1 80 27 26.5 26.8
18-Oct 6.4 80 27 26.4 26.7
19-Oct 6.4 80 27 26.4 26.6
20-Oct 6.7 80 27 26.3 26.5
21-Oct 6.9 80 26 26.2 26.4
22-Oct 7.2 80 25 26.1 26.3
23-Oct 7.2 80 24 26.0 26.3
24-Oct 7.2 80 24 25.9 26.2
25-Oct 6.9 80 26 25.8 26.1
26-Oct 6.9 80 26 25.8 26.0
27-Oct 6.7 80 27 25.7 26.0
28-Oct 6.7 80 27 25.7 25.9
29-Oct 6.8 80 27 25.6 25.8
30-Oct 7.0 80 27 25.4 25.7
31-Oct 6.9 80 28 25.2 25.5
Observed at King's Park Waglan Island North Point

Figure 1. Daily Normals of mean pressure at October (1991-2020)


Figure 1. Daily Normals mean pressure at October (1991-2020)


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Figure 2. Daily Normals air temperature at October (1991-2020)


Figure 2. Daily Normals air temperature at October (1991-2020)


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Figure 3. Daily Normals wet-bulb temperature and dew point at October (1991-2020)


Figure 3. Daily Normals wet-bulb temperature and dew point temperature at October (1991-2020)


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Figure 4. Daily Normals relative humdity at October (1991-2020)


Figure 4. Daily Normals relative humdity at October (1991-2020)


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Figure 5.  Figure 3. Daily Normals mean daily rainfall at October (1991-2020)


Figure 5. Daily Normals mean daily rainfall at October (1991-2020)


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Figure 6. Daily Normals mean daily Bright Sunshine Duration at October (1991-2020)


Figure 6. Daily Normals mean daily Bright Sunshine Duration at October (1991-2020)


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Figure 7. Daily Normals mean wind at October (1991-2020)


Figure 7. Daily Normals mean wind at October (1991-2020)


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Figure 8. Daily Normals mean sea temperature at October (1991-2020)


Figure 8. Daily Normals mean sea temperature at October (1991-2020)


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