Temperature during the hottest quarter 0.672792 Day/night diurnal temperature difference 0.796165 Elevation 0.819165 Compound topographic index (relative wetness) 0.82489 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.895678 Carbon content of soil 0.941435 Nitrogen content of soil 0.957937 Precipitation during the driest quarter 1.09769 Precipitation during the wettest quarter 1.25571 Precipitation during the coldest quarter 1.44451 Precipitation during the hottest quarter 1.49203 Ratio of precipitation to potential evapotranspiration 1.54173 Solar interception 1.87182 Sum of monthly Tavg where Tavg >=5 deg C 1.95872 Available water holding capacity of soil 1.97134 Bulk density of soil 2.15526 Temperature during the coldest quarter 4.00554