Precipitation during the coldest quarter 0.366909
Temperature during the hottest quarter 0.380551
Sum of monthly Tavg where Tavg >=5 deg C 0.441972
Precipitation during the hottest quarter 0.582869
Bulk density of soil 0.589011
Temperature during the coldest quarter 0.591653
Available water holding capacity of soil 0.594144
Ratio of precipitation to potential evapotranspiration 0.664222
Nitrogen content of soil 0.678805
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.682889
Carbon content of soil 0.752077
Compound topographic index (relative wetness) 0.96633
Precipitation during the driest quarter 1.00892
Precipitation during the wettest quarter 1.39294
Day/night diurnal temperature difference 1.78839
Solar interception 5.81166