Sum of monthly Tavg where Tavg >=5 deg C 0.463222
Carbon content of soil 0.464438
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.541188
Precipitation during the hottest quarter 0.616458
Precipitation during the driest quarter 0.706927
Nitrogen content of soil 0.744479
Precipitation during the coldest quarter 0.810672
Bulk density of soil 0.83279
Ratio of precipitation to potential evapotranspiration 0.920636
Day/night diurnal temperature difference 0.994742
Precipitation during the wettest quarter 0.99657
Solar interception 1.01532
Available water holding capacity of soil 1.47223
Compound topographic index (relative wetness) 1.59426
Temperature during the hottest quarter 1.86876
Temperature during the coldest quarter 4.98565