Service-Life Study of Polycarbonate Outdoors Using Python with Incomplete Data

Table 7

Data of the chosen factors from the regions with incomplete data.

Factors	Median
	Dunhuang	Jiangjin	Lhasa
Sulfur dioxide (mg/m^3)	0.00765	0.1786	0.00155
Hydrogen chloride (mg/m^3)	0.0817	0.0018	0
Nitrogen dioxide (mg/100 cm^2·day)	0.05945	0.0288	0.004284
Ammonia (mg/100 cm^2·day)	0.0062	0.05685	0.01545
Sea salts (mg/100 cm^2·day)	0.4321	0.0029	0.002835
Monthly high temperature (°C)	25.85	28.05	20.85
Monthly high humidity (%)	72	100	93
Monthly low humidity (%)	11.5	35	5
Sunshine duration (h/month)	224.25	68.5	184.19
Precipitation (mm/month)	0.05	63.85	25.95
Rainfall duration (h/month)	0	36.55	4.095