Precipitation during the wettest quarter 0.059025 Temperature during the hottest quarter 0.440365 Available water holding capacity of soil 0.455055 Carbon content of soil 0.653811 Precipitation during the hottest quarter 0.929365 Day/night diurnal temperature difference 0.983244 Precipitation during the driest quarter 1.0355 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.08721 Temperature during the coldest quarter 1.24983 Nitrogen content of soil 1.3637 Precipitation during the coldest quarter 1.46852 Bulk density of soil 1.55403 Compound topographic index (relative wetness) 1.74137 Sum of monthly Tavg where Tavg >=5 deg C 1.86181 Ratio of precipitation to potential evapotranspiration 1.93285 Solar interception 7.02061