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

Colacicco-Mayhugh et al. International Journal of Health Geographics 2010 9:2   doi:10.1186/1476-072X-9-2