Extract of Meteorological Observations for Tai Mei Tuk Automatic Weather Station, December 2009									Extract of Meteorological Observations for Sha Tin Automatic Weather Station, December 2009
Date	Mean	Air Temperature			Mean	Relative Humidity			Date	Mean	Air Temperature			Mean	Relative Humidity
	Pressure				Dew Point					Pressure				Dew Point
	at M.S.L.				Temperature					at M.S.L.				Temperature
	(hPa)	Max.	Mean	Min.	(deg C)	Max.	Mean	Min.		(hPa)	Max.	Mean	Min.	(deg C)	Max.	Mean	Min.
		(deg C)	(deg C)	(deg C)		(%)	(%)	(%)			(deg C)	(deg C)	(deg C)		(%)	(%)	(%)
1-Dec	******	22	17.5	13.7	****	***	***	***	1-Dec	1021.8	23	18.2	14.1	12.8	88	72	48
2-Dec	******	23.2	19.3	16.4	****	***	***	***	2-Dec	1021.1	23	20	17.2	13.5	85	67	51
3-Dec	******	19.5	16.6	13.8	****	***	***	***	3-Dec	1021.5	20.5	17.8	14.7	7.7	67	52	41
4-Dec	******	20.7	16.6	13.6	****	***	***	***	4-Dec	1020	20.7	16.4	12.9	10.7	90	70	51
5-Dec	******	20.8	16.9	14.5	****	***	***	***	5-Dec	1019.9	20.9	17	13.4	6.9	88	54	27
6-Dec	******	21.9	18.1	14.9	****	***	***	***	6-Dec	1018.4	21.4	18.9	15.2	11.5	80	63	45
7-Dec	******	18.5	16.9#	15.7	****	***	***	***	7-Dec	1018.1	19.5	18.2	17	14.7	91	81	67
8-Dec	******	17.7	****#	16.6	****	***	***	***	8-Dec	1017.1	19.1	18.5	17.9	16.7	95	89	79
9-Dec	******	****	****	****	****	***	***	***	9-Dec	1015.9	20	19	18.1	17.2	95	90	82
10-Dec	******	****	****	****	****	***	***	***	10-Dec	1014.9	25.2	20.7	18.6	17	92	80	62
11-Dec	******	****	****	****	****	***	***	***	11-Dec	1016.7	24.7	21	18.1	17.6	93	81	65
12-Dec	******	****	****	****	****	***	***	***	12-Dec	1017.9	21.2	20.6	20.3	17	85	80	75
13-Dec	******	****	****	****	****	***	***	***	13-Dec	1017.8	26.3	21.1	18.5	17.2	93	79	54
14-Dec	******	****	****	****	****	***	***	***	14-Dec	1018.7	21.1	19.9	18.6	16.5	93	81	70
15-Dec	******	****	****	****	****	***	***	***	15-Dec	1018.3	20.2	18.9	15.5	15.9	94	83	75
16-Dec	******	13.2	12.3#	11.5	****	***	***	***	16-Dec	1021.8	15.9	13.4	12.2	7.7	81	68	65
17-Dec	******	13.2	11.2	10	****	***	***	***	17-Dec	1024	13.5	11.7	10	5.6	79	66	56
18-Dec	******	12	10.8	10.2	****	***	***	***	18-Dec	1026.2	12.7	11.6	10.5	5.7	83	67	62
19-Dec	******	15.2	12.0#	10	****	***	***	***	19-Dec	1028	15.4	13.2	11.4	4.6	68	56	44
20-Dec	******	16.6	13.0#	9.3	****	***	***	***	20-Dec	1027.1	17.8	14.3	11.2	-0.1	57	38	24
21-Dec	******	18.7	14.0#	11.1	****	***	***	***	21-Dec	1026.2	17.8	14.7	12.5	2.9	71	46	30
22-Dec	******	19.6	15.8#	12.3	****	***	***	***	22-Dec	1022.2	20	16.3	12.9	9.9	81	66	51
23-Dec	******	22.8	18.1	15.3	****	***	***	***	23-Dec	1019.1	21.6	18.5	15.3	13.1	85	72	49
24-Dec	******	25.2	19.6	16.2	****	***	***	***	24-Dec	1016.1	25.7	20.2	16.1	16.6	94	81	58
25-Dec	******	24.7	19.4	16.2	****	***	***	***	25-Dec	1015.3	24.8	19.9	15.6	14.8	95	74	50
26-Dec	******	19.8	17	15.2	****	***	***	***	26-Dec	1016.8	19.7	18	16.6	13	78	72	66
27-Dec	******	16.9	13.8#	8.9	****	***	***	***	27-Dec	1017.1	18.3	15.3	9.9	11.6	89	78	67
28-Dec	******	12.8	10.2#	7.9	****	***	***	***	28-Dec	1018.9	13.4	11.5	9.0	7.0	91	74	64
29-Dec	******	13.3	****#	11.6	****	***	***	***	29-Dec	1015.2	18	15.9	12.8	13.5	92	86	80
30-Dec	******	****	****	****	****	***	***	***	30-Dec	1015.5	17.9	17.2	16.1	15.1	94	88	82
31-Dec	******	14.8	****#	14.3	****	***	***	***	31-Dec	1018.5	17.8	16	14.7	12.4	93	80	64
Mean	******	18.4	15.6#	13	****	***	***	***	Mean	1019.5	19.9	17.2	14.7	11.8	86	72	58
Maximum	******	25.2	19.6#	16.6	****	***	***	***	Maximum	1028	26.3	21.1	20.3	17.6	95	90	82
Minimum	******	12	10.2#	7.9	****	***	***	***	Minimum	1014.9	12.7	11.5	9.0	-0.1	57	38	24
Date	Total	Prevailing	Mean						Date	Total	Prevailing	Mean
	Rainfall	Wind	Wind Speed							Rainfall	Wind	Wind Speed
	(mm)	Direction	(km/h)							(mm)	Direction	(km/h)
		(degrees)									(degrees)
1-Dec	0.0	130	6.0						1-Dec	0.0	40	6.3
2-Dec	0.0	040#	12.8#						2-Dec	0.0	030#	7.3#
3-Dec	0.0	40	17.9						3-Dec	0.0	30	13.5
4-Dec	0.0	270	5.1						4-Dec	0.0	30	4.7
5-Dec	0.0	40	14.0						5-Dec	0.0	40	8.0
6-Dec	0.0	90	16.0						6-Dec	0.0	30	8.6
7-Dec	4.0	40	17.3						7-Dec	7.0	360	9.0
8-Dec	3.5	40	13.4						8-Dec	11.0	360	7.2
9-Dec	2.0	260	3.2						9-Dec	1.5	40	6.7
10-Dec	0.0	150	4.0						10-Dec	0.0	80	7.5
11-Dec	0.0	90	9.7						11-Dec	0.0	100	8.4
12-Dec	0.0	90	13.8						12-Dec	0.0	90	7.5
13-Dec	0.0	140#	7.6#						13-Dec	0.0	90	6.6
14-Dec	0.0	090#	19.1#						14-Dec	0.0	90	9.1
15-Dec	4.0	100	14.3						15-Dec	9.5	100	10.8
16-Dec	0.0	40	11.4						16-Dec	0.5	350	10.9
17-Dec	0.0	40	11.7						17-Dec	0.0	350	10.5
18-Dec	0.0	40	10.4						18-Dec	0.0	350	9.8
19-Dec	0.0#	040#	12.1#						19-Dec	0.0	40	10.3
20-Dec	0.0#	040#	14.0#						20-Dec	0.0	40	10.9
21-Dec	0.0#	030#	11.1#						21-Dec	0.0	10	8.8
22-Dec	0.0#	050#	11.1#						22-Dec	0.0	100	7.0
23-Dec	0.0	70	10.5						23-Dec	0.5	70	6.8
24-Dec	0.0	120	5.9						24-Dec	0.0	40	5.9
25-Dec	0.0	260	8.2						25-Dec	0.0	30	6.4
26-Dec	0.0	90	17.4						26-Dec	0.0	80	10.2
27-Dec	0.5#	090#	17.6#						27-Dec	4.5	40	11.7
28-Dec	0.0#	030#	8.6#						28-Dec	3.5	350	7.8
29-Dec	2.0	90	12.3						29-Dec	7.0	50	10.7
30-Dec	2.5	50	8.3						30-Dec	3.0	360	6.7
31-Dec	0.0	50	15.6						31-Dec	0.0	360	8.0
Mean	-----	040#	11.6#						Mean	-----	350#	8.5#
Total	18.5#	---	-----						Total	48.0	---	-----
Maximum	4.0#	---	19.1#						Maximum	11.0	---	13.5#
Minimum	0.0#	---	3.2#						Minimum	0.0	---	4.7#
*** unavailable									*** unavailable
# missing (less than 24 hourly observations a day)									# missing (less than 24 hourly observations a day)
Rainfall measured in increment of 0.5 mm. Amount of < 0.5 mm cannot be detected									Rainfall measured in increment of 0.5 mm. Amount of < 0.5 mm cannot be detected