Climate diagram of Taipei. Mean monthly temperature, as given on the left axis, is plotted with the thick line. Mean monthly rainfall, as given on the right axis, is plotted with the thin line. The black area represents very moist periods and the shaded area, relatively moist periods. Meteorological data ranging from 1960 to 2009 were obtained from Taipei meteorological station in the Central Weather Bureau (http://www.cwb.gov.tw), located 3.7 km from sampling site.