Fig. 6. (a) The proportion of days per Fire Weather Index (FWI) class. x denotes the relative proportion of all measured days, including the rainy season. The grey bars show the proportion of observation days for the dry season days only. (b) The number of observed fires per FWI class. (c) Fire occurrence per FWI class expressed as number of observed fires/number of observation days in each FWI class. The number on the FWI axis is the upper limit of each FWI class.