Precipitation during the wettest quarter 0.075136 Available water holding capacity of soil 0.61967 Temperature during the coldest quarter 0.627364 Carbon content of soil 0.647768 Precipitation during the hottest quarter 0.677941 Temperature during the hottest quarter 0.872704 Bulk density of soil 1.16503 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.17691 Precipitation during the driest quarter 1.23681 Sum of monthly Tavg where Tavg >=5 deg C 1.25979 Precipitation during the coldest quarter 1.28864 Nitrogen content of soil 1.28966 Compound topographic index (relative wetness) 1.58746 Day/night diurnal temperature difference 1.69142 Ratio of precipitation to potential evapotranspiration 1.82314 Solar interception 9.58832