Appendix I –

General Weather Conditions during the Monitoring Period

Date	Mean Air Temperature (°C)	Mean Relative Humidity (%)	Precipitation (mm)
1 Sep 2020	30.3	76	1.1
2 Sep 2020	30.0	77	0.4
3 Sep 2020	30.2	78	0.4
4 Sep 2020	29.8	82	0.1
5 Sep 2020	28.4	83	43.9
6 Sep 2020	29.1	80	-
7 Sep 2020	29.4	82	4.7
8 Sep 2020	27.1	91	68.9
9 Sep 2020	27.9	86	0.2
10 Sep 2020	28.5	83	8.2
11 Sep 2020	28.9	81	2.7
12 Sep 2020	28.2	85	27.9
13 Sep 2020	28.4	83	5.7
14 Sep 2020	28.1	85	38.2
15 Sep 2020	27.3	92	62.6
16 Sep 2020	29.5	76	4.4
17 Sep 2020	28.7	87	40.6
18 Sep 2020	28.3	88	15.9
19 Sep 2020	27.2	92	50.8
20 Sep 2020	28.6	83	0.7
21 Sep 2020	27.4	91	176.8
22 Sep 2020	28.6	82	0.5
23 Sep 2020	29.1	77	-
24 Sep 2020	28.5	80	0.6
25 Sep 2020	28.3	76	-
26 Sep 2020	28.0	76	Trace
27 Sep 2020	27.7	81	1.3
28 Sep 2020	26.6	87	26.2
29 Sep 2020	26.9	89	21.9
30 Sep 2020	27.4	88	104.1

* The above information was extracted from the daily weather summary by Hong Kong Observatory.