Daily Normals of Meteorological Elements for Hong Kong, December 1971-2000

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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 Dec	1020.4	21.5	18.9	16.7	15.3	12.3	67	1.9	50
2 Dec	1020.4	21.5	18.9	16.8	15.5	12.6	68	1.8	49
3 Dec	1020.2	21.7	19.1	17.0	15.7	12.8	68	1.8	48
4 Dec	1020.1	21.6	19.0	17.0	15.7	12.9	69	1.6	48
5 Dec	1020.0	21.6	19.0	16.9	15.7	12.8	69	0.4	47
6 Dec	1019.9	21.6	19.0	16.9	15.6	12.7	68	0.5	47
7 Dec	1020.0	21.4	18.9	16.8	15.4	12.4	68	0.6	47
8 Dec	1020.0	21.3	18.7	16.6	15.3	12.3	68	0.6	47
9 Dec	1020.1	21.2	18.6	16.5	15.2	12.2	68	0.7	47
10 Dec	1020.3	20.9	18.4	16.3	15.0	12.1	68	0.9	48
11 Dec	1020.5	20.6	18.1	16.0	14.8	11.9	69	0.9	48
12 Dec	1020.7	20.4	17.8	15.7	14.6	11.7	69	0.8	49
13 Dec	1021.0	20.1	17.6	15.5	14.3	11.4	69	0.9	51
14 Dec	1021.2	20.0	17.5	15.4	14.2	11.3	69	0.8	52
15 Dec	1021.1	20.1	17.6	15.5	14.4	11.4	69	0.6	50
16 Dec	1021.0	20.2	17.6	15.5	14.5	11.6	69	1.0	52
17 Dec	1020.9	20.2	17.7	15.6	14.6	11.7	70	1.1	55
18 Dec	1020.9	20.2	17.7	15.6	14.6	11.8	70	1.1	56
19 Dec	1020.8	20.1	17.6	15.5	14.5	11.7	70	1.3	56
20 Dec	1020.9	19.9	17.4	15.3	14.3	11.3	69	1.4	55
21 Dec	1020.9	19.8	17.2	15.0	13.9	10.7	67	0.7	49
22 Dec	1020.8	19.6	17.0	14.8	13.7	10.3	67	0.8	45
23 Dec	1020.8	19.6	16.9	14.7	13.6	10.2	67	0.9	45
24 Dec	1020.7	19.4	16.8	14.6	13.6	10.3	68	1.0	48
25 Dec	1020.8	19.4	16.9	14.6	13.6	10.4	68	0.9	51
26 Dec	1020.8	19.4	16.9	14.7	13.7	10.6	69	0.9	53
27 Dec	1020.8	19.3	16.8	14.7	13.8	10.8	70	1.0	56
28 Dec	1020.6	19.1	16.7	14.6	13.8	10.8	71	1.3	57
29 Dec	1020.4	19.2	16.7	14.7	13.9	11.0	71	1.4	56
30 Dec	1020.2	19.3	16.7	14.7	13.9	11.2	72	1.3	55
31 Dec	1020.0	19.2	16.8	14.8	14.0	11.4	72	1.3	55
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 Dec	5.9	080	28.0	21.5	21.7
2 Dec	6.0	080	27.0	21.3	21.5
3 Dec	6.1	080	27.0	21.2	21.5
4 Dec	6.0	080	27.0	21.1	21.4
5 Dec	6.0	080	26.0	21.0	21.3
6 Dec	6.2	080	26.0	20.9	21.3
7 Dec	6.3	080	27.0	20.8	21.1
8 Dec	6.3	080	26.0	20.7	20.9
9 Dec	6.3	080	26.0	20.6	20.8
10 Dec	6.0	080	27.0	20.5	20.6
11 Dec	5.8	080	27.0	20.3	20.4
12 Dec	5.6	080	27.0	20.2	20.3
13 Dec	5.3	080	27.0	20.0	20.1
14 Dec	5.3	070	27.0	19.8	20.0
15 Dec	5.6	070	26.0	19.7	19.9
16 Dec	5.4	070	27.0	19.6	19.8
17 Dec	5.2	070	27.0	19.5	19.7
18 Dec	5.2	070	27.0	19.4	19.7
19 Dec	5.1	070	27.0	19.4	19.7
20 Dec	5.1	070	27.0	19.3	19.5
21 Dec	5.7	070	27.0	19.2	19.4
22 Dec	6.0	010	26.0	19.1	19.3
23 Dec	6.1	070	26.0	19.0	19.1
24 Dec	5.7	070	26.0	18.9	19.1
25 Dec	5.4	070	26.0	18.8	19.0
26 Dec	5.2	070	27.0	18.7	18.9
27 Dec	4.8	070	27.0	18.6	18.8
28 Dec	4.7	070	27.0	18.5	18.7
29 Dec	5.0	070	26.0	18.4	18.7
30 Dec	5.1	070	25.0	18.3	18.6
31 Dec	4.9	070	24.0	18.3	18.5
Observed at	King's Park	Waglan Island		North Point

Figure 1. Daily Normals mean pressure at December (1971-2000)

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Figure 2. Daily Normals air temperature at December (1971-2000)

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Figure 3. Daily Normals wet-bulb temperature and dew point temperature at December (1971-2000)

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Figure 4. Daily Normals relative humdity at December (1971-2000)

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Figure 5. Daily Normals mean daily rainfall at December (1971-2000)

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Figure 6. Daily Normals mean daily Bright Sunshine Duration at December (1971-2000)

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Figure 7. Daily Normals mean wind at December (1971-2000)

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Figure 8. Daily Normals mean sea temperature at December (1975-2004)

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