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. 2010 Jan 21;9:2. doi: 10.1186/1476-072X-9-2

Table 2.

WorldClim bioclimatic variables used in model development.

Variable Description of the Variable
Bio1 Annual mean temperature, C
Bio1 Mean diurnal range (mean of monthly (max temp - min temp)), C
Bio3 Isothermality ((Bio2.Bio7)*100), C
Bio4 Temperature Seasonality (standard deviation * 100), c
Bio5 Maximum temperature of warmest month, C
Bio6 Minimum temperature of coldest month, C
Bio7 Temperature annual range (Bio5 - Bio6), C
Bio8 Mean temperature of the wettest quarter, C
Bio9 Mean temperature of the driest quarter, C
Bio10 Mean temperature of the warmest quarter, C
Bio11 Mean temperature of the coldest quarter, C
Bio12 Annual precipitation, mm
Bio13 Precipitation of the wettest month, mm
Bio14 Precipitation of the driest month, mm
Bio15 Precipitation seasonality (coefficient of variation), mm
Bio16 Precipitation of the wettest quarter, mm
Bio17 Precipitation driest quarter, mm
Bio18 Precipitation of the warmest quarter, mm
Bio19 Precipitation of the coldest quarter, mm
Alt Altitude (elevation above sea level), m