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    Daily Normal of Meteorological Elements for Hong Kong, July 1981-2010



    The below figures represent daily mean values of the weather elements calculated from data
    in the 30 years from 1981 to 2010 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 Jul 1006.3 31.2 28.7 26.9 26.2 25.2 82 10.9 72
    2 Jul 1006.4 31.2 28.7 26.9 26.2 25.1 81 11.9 72
    3 Jul 1006.5 31.3 28.8 26.9 26.2 25.1 81 11.0 72
    4 Jul 1006.4 31.2 28.7 26.9 26.1 25.1 81 11.9 71
    5 Jul 1006.3 31.2 28.7 26.8 26.1 25.0 81 12.2 71
    6 Jul 1006.1 31.3 28.7 26.8 26.1 25.0 81 10.6 71
    7 Jul 1005.9 31.3 28.8 26.8 26.0 24.9 80 9.6 70
    8 Jul 1005.8 31.4 28.8 26.8 26.1 24.9 80 9.4 68
    9 Jul 1005.7 31.5 28.9 26.8 26.1 24.9 80 8.1 68
    10 Jul 1005.7 31.6 29.0 26.8 26.1 24.9 79 9.9 68
    11 Jul 1005.8 31.6 29.0 26.8 26.1 25.0 80 11.0 67
    12 Jul 1005.9 31.6 29.0 26.8 26.2 25.0 80 11.0 67
    13 Jul 1006.0 31.6 28.9 26.8 26.2 25.1 80 12.5 67
    14 Jul 1006.2 31.6 28.9 26.8 26.2 25.1 80 13.9 66
    15 Jul 1006.1 31.5 28.9 26.8 26.2 25.1 80 12.5 66
    16 Jul 1005.9 31.5 28.9 26.8 26.2 25.1 80 13.9 67
    17 Jul 1005.7 31.4 28.8 26.8 26.1 25.1 80 16.1 69
    18 Jul 1005.6 31.4 28.8 26.8 26.2 25.1 81 14.4 70
    19 Jul 1005.8 31.3 28.8 26.8 26.2 25.2 81 14.2 71
    20 Jul 1006.0 31.2 28.8 26.7 26.2 25.2 81 18.0 72
    21 Jul 1006.2 31.2 28.8 26.7 26.2 25.2 81 16.4 71
    22 Jul 1006.3 31.3 28.8 26.7 26.2 25.1 81 14.3 69
    23 Jul 1006.0 31.3 28.8 26.8 26.1 25.0 81 14.3 68
    24 Jul 1005.7 31.3 28.8 26.9 26.1 25.0 80 12.9 67
    25 Jul 1005.3 31.3 28.8 26.9 26.1 24.9 80 9.3 67
    26 Jul 1005.0 31.3 28.7 26.9 26.1 24.9 80 9.7 68
    27 Jul 1004.8 31.3 28.7 26.7 26.1 25.0 81 11.6 68
    28 Jul 1004.6 31.2 28.6 26.7 26.1 25.0 81 11.8 69
    29 Jul 1004.6 31.2 28.6 26.6 26.1 25.0 82 12.3 70
    30 Jul 1004.7 31.3 28.7 26.7 26.1 25.1 81 11.7 69
    31 Jul 1004.7 31.3 28.8 26.7 26.2 25.1 81 11.8 69
    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 Jul 6.4 210 22 26.8 27.3
    2 Jul 6.4 220 21 26.8 27.3
    3 Jul 6.5 220 21 26.8 27.3
    4 Jul 6.5 220 22 26.8 27.2
    5 Jul 6.5 220 22 26.8 27.2
    6 Jul 6.5 230 22 26.8 27.2
    7 Jul 6.6 230 22 26.7 27.2
    8 Jul 6.9 230 21 26.7 27.2
    9 Jul 7.1 230 21 26.7 27.2
    10 Jul 7.3 230 20 26.6 27.2
    11 Jul 7.5 230 19 26.6 27.2
    12 Jul 7.6 230 19 26.5 27.2
    13 Jul 7.5 230 20 26.6 27.2
    14 Jul 7.5 230 20 26.6 27.2
    15 Jul 7.3 230 20 26.6 27.1
    16 Jul 7.2 230 22 26.6 27.1
    17 Jul 6.9 230 22 26.6 27.1
    18 Jul 6.7 230 23 26.6 27.1
    19 Jul 6.7 230 23 26.5 27.1
    20 Jul 6.8 230 23 26.5 27.0
    21 Jul 6.9 230 22 26.5 27.0
    22 Jul 7.2 230 22 26.4 27.0
    23 Jul 7.3 230 22 26.4 27.0
    24 Jul 7.1 230 21 26.4 27.0
    25 Jul 6.8 230 21 26.4 26.9
    26 Jul 6.8 230 20 26.4 26.9
    27 Jul 6.4 230 20 26.5 26.9
    28 Jul 6.1 230 21 26.4 26.9
    29 Jul 6.1 230 21 26.4 26.9
    30 Jul 6.4 230 21 26.4 26.9
    31 Jul 6.4 230 21 26.5 26.9
    Observed at King's Park Waglan Island North Point

    Figure 1. Daily Normals of mean pressure at July (1981-2010)


    Figure 1. Daily Normals mean pressure at July (1981-2010)


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    Figure 2. Daily Normals air temperature at July (1981-2010)


    Figure 2. Daily Normals air temperature at July (1981-2010)


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    Figure 3. Daily Normals wet-bulb temperature and dew point at July (1981-2010)


    Figure 3. Daily Normals wet-bulb temperature and dew point temperature at July (1981-2010)


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    Figure 4. Daily Normals relative humdity at July (1981-2010)


    Figure 4. Daily Normals relative humdity at July (1981-2010)


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    Figure 5. Figure 3. Daily Normals mean daily rainfall at July (1981-2010)


    Figure 5. Daily Normals mean daily rainfall at July (1981-2010)


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    Figure 6. Daily Normals mean daily Bright Sunshine Duration at July (1981-2010)


    Figure 6. Daily Normals mean daily Bright Sunshine Duration at July (1981-2010)


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    Figure 7. Daily Normals mean wind at July (1981-2010)


    Figure 7. Daily Normals mean wind at July (1981-2010)


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    Figure 8. Daily Normals mean sea temperature at July (1981-2010)


    Figure 8. Daily Normals mean sea temperature at July (1981-2010)


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