EXTRACT OF METEOROLOGICAL OBSERVATIONS FOR HONG KONG, MARCH 2003


Date MARCH	Mean Pressure (hPa)	Air Temperature			Mean Dew Point Temperature (deg. C)	Mean Relative Humidity (%)	Mean Amount of Cloud (%)	Total Rainfall (mm)
Date MARCH	Mean Pressure (hPa)	Maximum (deg. C)	Mean (deg. C)	Minimum (deg. C)	Mean Dew Point Temperature (deg. C)	Mean Relative Humidity (%)	Mean Amount of Cloud (%)	Total Rainfall (mm)
1	1012.6	24.9	22.3	20.5	19.7	86	56	-
2	1011.9	22.8	21.5	20.4	19.5	89	82	Trace
3	1009.6	23.6	21.9	20.4	19.9	89	83	0.3
4	1009.4	23.1	20.0	17.7	18.5	91	89	5.5
5	1009.6	19.2	18.1	17.2	17.2	94	99	10.7
6	1012.6	19.6	16.8	12.7	14.9	89	93	7.7
7	1018.3	16.0	13.9	11.5	7.8	67	81	-
8	1021.9	16.8	14.7	12.4	7.7	63	82	-
9	1023.1	15.8	15.1	13.9	9.6	70	90	0.7
10	1023.3	17.5	15.2	12.9	11.7	80	84	1.5
11	1023.0	18.0	16.4	14.6	10.0	66	38	-
12	1023.1	19.9	17.8	16.3	14.4	80	59	-
13	1023.2	21.4	19.1	17.5	15.5	80	44	-
14	1020.9	19.6	18.2	16.8	14.8	81	85	-
15	1015.4	21.7	20.2	18.5	17.3	83	88	Trace
16	1015.3	24.4	22.1	20.6	19.9	88	56	-
17	1016.0	26.6	23.2	21.1	20.6	86	48	-
18	1018.1	23.0	20.3	17.9	18.3	89	77	Trace
19	1019.1	18.1	16.9	16.1	14.2	84	88	Trace
20	1017.8	16.4	15.5	14.5	13.4	88	88	8.7
21	1019.8	18.7	16.8	14.7	13.9	84	86	0.1
22	1021.1	18.8	17.7	16.2	12.6	73	88	0.4
23	1020.3	18.8	17.9	17.2	14.0	78	90	0.7
24	1018.8	21.4	18.9	16.8	16.9	89	90	2.3
25	1019.1	22.5	20.2	18.4	17.1	83	75	-
26	1017.8	23.3	21.0	18.7	16.0	74	78	-
27	1014.8	26.6	23.3	21.2	20.3	84	67	-
28	1013.5	22.6	20.6	19.2	18.3	86	68	Trace
29	1013.3	21.7	19.9	18.7	17.2	85	88	Trace
30	1013.3	22.2	20.9	20.1	18.9	88	88	-
31	1010.9	26.7	24.0	21.3	21.2	85	88	Trace
Mean/Total	1017.0	21.0	19.0	17.3	15.9	82	78	38.6
Normal	1016.2	21.3	18.5	16.5	15.0	81	76	66.9
Station	Hong Kong Observatory


Date MARCH	Total Bright Sunshine (hours)	Daily Global Solar Radiation (MJ/m²)	Total Evaporation (mm)	Prevailing Wind Direction (degrees)	Mean Wind Speed (km/h)
1	6.6	14.62	2.8	030	9.3
2	3.5	10.69	2.3	070	23.9
3	2.9	9.86	1.2	050	12.8
4	0.1	3.25	2.2	080	37.2
5	-	1.56	2.5	040	32.9
6	-	2.62	1.9	360	20.0
7	1.6	10.72	3.2	010	27.0
8	5.0	14.86	3.8	010	28.4
9	0.7	5.88	1.3	060	36.7
10	2.6	12.05	3.3	070	30.6
11	10.2	20.50	3.9	090	31.1*
12	3.7	13.43	2.4	060	31.0
13	8.0	19.25	4.1	060	24.7
14	0.7	8.62	1.9	060	35.3
15	0.2	8.53	1.6	040	15.3
16	8.4	18.86	3.2	040	11.6
17	8.3	17.57	3.5	050	9.1
18	0.2	4.45	1.9	060	25.5
19	-	3.65	1.1	040	28.4
20	-	2.14	0.4	020	23.5
21	-	7.88	1.5	020	20.6
22	1.3	9.66	2.6	070	36.8
23	-	4.13	1.0	060	26.0
24	0.7	7.63	0.8	050	14.6
25	7.5	19.33	4.2	040	19.7
26	6.7	16.68	3.4	050	18.0
27	5.1	17.21	3.2	030	9.0
28	-	9.56	2.9	040	17.8
29	0.7	10.14	1.8	050	19.9
30	0.5	8.35	1.6	040	16.0
31	3.6	10.68	2.5	140	9.7
Mean/Total	88.8	10.46	74.0	050	22.7
Normal	96.4	11.24	92.2	070	22.1
Station	King's Park			Waglan Island

The minimum pressure recorded at the Hong Kong Observatory was 1006.7 hectopascals at 1558 HKT on 3 March.

The maximum air temperature recorded at the Hong Kong Observatory was 26.7 degrees C at 1408 HKT on 31 March.

The minimum air temperature recorded at the Hong Kong Observatory was 11.5 degrees C at 0651 HKT on 7 March.

The maximum gust peak speed recorded at Waglan Island was 75 kilometres per hour from 090 degrees at 2140 HKT on 4 March.

The maximum instantaneous rate of rainfall recorded at King's Park was 55 millimetres per hour at 1550 HKT on 6 March.

* Wind data recorded at Cheung Chau were used due to malfunction of power supply at Waglan Island.