Table 1. Descriptive summary for hand, foot and mouth disease cases and meteorological variables in Hong Kong, 2008–2011.

	Mean	SD	Min.	P(25th)	Median	P(75th)	Max.
Daily HFMD	1.05	1.65	0	0	0	1	14
Sex
Male	0.65	1.17	0	0	0	1	8
Female	0.40	0.78	0	0	0	1	7
Age
0–2 years	0.67	1.12	0	0	0	1	7
3–14 years	0.31	0.71	0	0	0	0	8
>14 years	0.07	0.08	0	0	0	0	3
Temperature(°C)	23.25	5.31	8.80	19.1	24.40	27.9	31.20
Relative humidity(%)	77.51	10.86	33.00	73.00	78.00	85.00	98.00
Rainfall(mm)	6.22	20.45	0	0	0.01	1.40	307.10
Wind speed(km/h)	22.82	10.15	3.20	15.20	22.10	29.10	70.00
Solar radiation(MJ/m²)	13.85	6.67	0.64	8.30	14.42	18.54	28.81