Daily Normals of Meteorological Elements for Hong Kong, December 1981-2010

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	1020.0	21.6	19.3	17.3	15.9	13.1	69	0.6	50
2 Dec	1020.1	21.6	19.3	17.3	15.9	13.2	69	0.6	48
3 Dec	1020.1	21.6	19.3	17.3	15.9	13.1	69	0.5	48
4 Dec	1020.3	21.4	19.1	17.2	15.8	12.9	68	0.4	49
5 Dec	1020.3	21.4	19.0	17.0	15.6	12.6	68	0.4	50
6 Dec	1020.4	21.3	18.9	16.9	15.4	12.4	67	0.7	51
7 Dec	1020.4	21.1	18.8	16.8	15.3	12.3	67	0.7	52
8 Dec	1020.3	21.0	18.8	16.8	15.4	12.4	68	0.8	53
9 Dec	1020.1	21.1	18.8	16.8	15.4	12.5	68	0.9	53
10 Dec	1020.0	20.9	18.7	16.8	15.5	12.7	70	1.1	54
11 Dec	1020.0	20.8	18.7	16.8	15.5	12.9	71	0.9	54
12 Dec	1020.0	20.7	18.5	16.6	15.4	12.7	71	0.9	55
13 Dec	1020.3	20.4	18.2	16.3	15.1	12.5	71	1.1	56
14 Dec	1020.6	20.0	17.9	16.1	14.9	12.2	71	1.1	57
15 Dec	1020.8	20.0	17.8	15.9	14.7	12.0	70	0.9	54
16 Dec	1021.0	19.9	17.7	15.7	14.5	11.7	70	0.7	54
17 Dec	1021.1	19.7	17.5	15.6	14.4	11.6	70	0.8	55
18 Dec	1021.1	19.8	17.5	15.5	14.4	11.5	69	0.6	54
19 Dec	1021.1	19.8	17.5	15.5	14.3	11.3	68	0.5	52
20 Dec	1021.1	19.6	17.3	15.3	14.1	11.0	68	0.5	50
21 Dec	1021.1	19.6	17.2	15.1	13.9	10.6	67	0.4	46
22 Dec	1020.9	19.6	17.2	15.0	13.8	10.5	67	0.6	44
23 Dec	1020.8	19.6	17.2	15.0	13.8	10.5	67	0.6	44
24 Dec	1020.6	19.4	17.1	15.0	13.9	10.7	68	0.8	47
25 Dec	1020.6	19.4	17.2	15.0	14.0	10.9	69	0.9	50
26 Dec	1020.5	19.4	17.1	15.1	14.0	11.1	70	1.0	52
27 Dec	1020.5	19.3	17.0	15.0	14.1	11.3	71	1.0	54
28 Dec	1020.3	19.1	16.9	14.9	14.1	11.4	72	1.4	55
29 Dec	1020.2	19.1	16.8	14.8	14.0	11.4	72	1.5	54
30 Dec	1020.2	19.1	16.8	14.9	14.0	11.5	72	1.4	53
31 Dec	1020.1	19.2	16.9	15.0	14.2	11.7	73	1.3	53
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	5.8	070	26	21.6	21.9
2 Dec	6.0	070	26	21.5	21.8
3 Dec	6.2	070	27	21.4	21.7
4 Dec	6.1	070	27	21.3	21.6
5 Dec	6.0	010	27	21.1	21.5
6 Dec	6.0	010	27	21.0	21.3
7 Dec	5.9	010	27	20.9	21.1
8 Dec	5.8	070	26	20.7	21.0
9 Dec	5.8	070	26	20.6	20.8
10 Dec	5.5	070	26	20.5	20.7
11 Dec	5.3	070	26	20.4	20.6
12 Dec	5.1	070	26	20.2	20.4
13 Dec	4.9	070	27	20.1	20.3
14 Dec	4.7	070	27	19.8	20.1
15 Dec	5.2	070	27	19.7	20.0
16 Dec	5.2	070	27	19.6	19.9
17 Dec	5.2	070	27	19.5	19.8
18 Dec	5.2	070	27	19.4	19.8
19 Dec	5.5	010	26	19.4	19.7
20 Dec	5.7	010	26	19.3	19.6
21 Dec	6.2	010	26	19.1	19.4
22 Dec	6.4	010	25	19.0	19.3
23 Dec	6.4	010	25	18.9	19.2
24 Dec	6.1	010	25	18.9	19.1
25 Dec	5.6	070	25	18.8	19.1
26 Dec	5.4	070	25	18.7	19.0
27 Dec	5.1	070	26	18.6	18.9
28 Dec	4.8	070	26	18.6	18.9
29 Dec	4.9	070	25	18.4	18.8
30 Dec	5.1	060	25	18.4	18.7
31 Dec	5.0	060	24	18.4	18.7
Observed at	King's Park	Waglan Island		North Point

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

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

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

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

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

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

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

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

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