Precipitation during the driest quarter 1.15412 Nitrogen content of soil 1.44874 Carbon content of soil 1.49409 Precipitation during the wettest quarter 1.73583 Temperature during the hottest quarter 1.78401 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 2.00437 Day/night diurnal temperature difference 2.37227 Compound topographic index (relative wetness) 2.55818 Ratio of precipitation to potential evapotranspiration 2.57136 Temperature during the coldest quarter 3.02872 Precipitation during the hottest quarter 3.46678 Precipitation during the coldest quarter 3.71122 Sum of monthly Tavg where Tavg >=5 deg C 3.87212 Bulk density of soil 5.8947 Available water holding capacity of soil 7.3504 Solar interception 9.08892