Sum of monthly Tavg where Tavg >=5 deg C 0.564477
Carbon content of soil 0.600563
Available water holding capacity of soil 0.616332
Precipitation during the coldest quarter 0.651611
Precipitation during the wettest quarter 0.687839
Precipitation during the driest quarter 0.691629
Ratio of precipitation to potential evapotranspiration 0.821627
Bulk density of soil 0.831182
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.993445
Compound topographic index (relative wetness) 1.08305
Nitrogen content of soil 1.08676
Temperature during the hottest quarter 1.0919
Precipitation during the hottest quarter 1.42991
Day/night diurnal temperature difference 1.45776
Solar interception 1.69739
Temperature during the coldest quarter 1.89447