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Daily Normals of Meteorological Elements for Hong Kong, December 1961-1990



The below figures represent daily mean values of the weather elements calculated from data
in the 30 years from 1961 to 1990 for the 5-day period centred on the day specified.
Date Mean Pressure
(hPa)
Figure
Air Temperature
Figure
Relative Humidity
(%)
Figure
Mean Daily Rainfall
(mm)
Figure
Amount of Cloud
(%)
Figure
Mean Maximum
(deg. C)
Mean
(deg. C)
Mean Minimum
(deg. C)
Dec 01 1020.7 21.3 18.2 15.8 63 1.8 43
Dec 02 1020.6 21.4 18.3 15.9 64 1.8 43
Dec 03 1020.3 21.6 18.6 16.2 65 1.8 44
Dec 04 1020.0 21.7 18.7 16.4 66 1.7 44
Dec 05 1019.7 21.8 18.8 16.5 68 0.5 46
Dec 06 1019.6 21.9 19.0 16.7 68 0.2 46
Dec 07 1019.7 21.8 18.9 16.7 68 0.3 46
Dec 08 1019.7 21.6 18.8 16.5 69 0.3 46
Dec 09 1019.7 21.6 18.6 16.3 69 0.6 45
Dec 10 1019.9 21.3 18.4 16.0 68 0.6 43
Dec 11 1020.1 21.0 18.1 15.8 68 0.7 42
Dec 12 1020.3 20.7 17.8 15.4 67 0.6 40
Dec 13 1020.6 20.5 17.6 15.3 66 0.5 41
Dec 14 1020.7 20.3 17.5 15.2 66 0.2 43
Dec 15 1020.6 20.3 17.5 15.2 66 0.2 44
Dec 16 1020.5 20.3 17.5 15.2 67 0.8 46
Dec 17 1020.4 20.3 17.5 15.3 68 0.8 50
Dec 18 1020.3 20.3 17.6 15.3 69 0.9 51
Dec 19 1020.3 20.3 17.6 15.4 69 1.2 52
Dec 20 1020.3 20.3 17.5 15.3 69 1.3 52
Dec 21 1020.1 20.3 17.5 15.3 68 0.7 50
Dec 22 1019.9 20.3 17.5 15.2 68 0.7 48
Dec 23 1019.8 20.2 17.4 15.0 69 0.7 50
Dec 24 1019.8 20.0 17.2 14.9 70 0.6 53
Dec 25 1020.0 19.8 17.0 14.7 70 0.4 57
Dec 26 1020.3 19.6 16.8 14.5 70 0.4 59
Dec 27 1020.4 19.3 16.5 14.3 70 0.4 61
Dec 28 1020.5 19.1 16.3 14.1 70 0.9 62
Dec 29 1020.3 18.9 16.2 14.0 70 1.1 60
Dec 30 1020.1 18.8 16.1 13.9 70 1.2 60
Dec 31 1019.9 18.7 16.0 13.8 70 1.4 60
Observed at Hong Kong Observatory

Date Bright Sunshine Duration
(hours)
Figure
Wind
Figure
Prevailing Direction
(degrees)
Mean Speed
(km/h)
Dec 01 6.6 360 27
Dec 02 6.6 080 26
Dec 03 6.4 080 25
Dec 04 6.3 080 24
Dec 05 6.2 080 24
Dec 06 6.3 080 24
Dec 07 6.3 080 25
Dec 08 6.4 080 25
Dec 09 6.5 080 24
Dec 10 6.6 080 25
Dec 11 6.6 080 26
Dec 12 6.7 080 26
Dec 13 6.5 080 27
Dec 14 6.3 080 27
Dec 15 6.4 080 26
Dec 16 6.1 070 26
Dec 17 5.7 080 26
Dec 18 5.6 080 25
Dec 19 5.6 080 25
Dec 20 5.6 070 24
Dec 21 5.9 070 24
Dec 22 6.1 080 24
Dec 23 5.9 070 24
Dec 24 5.4 070 25
Dec 25 5.0 070 25
Dec 26 4.9 010 26
Dec 27 4.6 010 26
Dec 28 4.6 010 26
Dec 29 4.8 070 26
Dec 30 4.8 070 26
Dec 31 4.6 070 26
Observed at King's Park Waglan Island

Figure 1. Daily Normals of mean pressure at December (1961-1990)


Figure 1. Daily Normals mean pressure at December (1961-1990)


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Figure 2. Daily Normals air temperature at December (1961-1990)


Figure 2. Daily Normals air temperature at December (1961-1990)


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Figure 3. Daily Normals relative humdity at December (1961-1990)


Figure 3. Figure 3. Daily Normals relative humdity at December (1961-1990)


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Figure 4. Figure 3. Daily Normals mean daily rainfall at December (1961-1990)


Figure 4. Daily Normals mean daily rainfall at December (1961-1990)


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Figure 5. Daily Normals mean daily Bright Sunshine Duration at December (1961-1990)


Figure 5. Daily Normals mean daily Bright Sunshine Duration at December (1961-1990)


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Figure 6. Daily Normals mean wind at December (1961-1990)


Figure 6. Daily Normals mean wind at December (1961-1990)


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