Carbon content of soil 0.038187
Precipitation during the wettest quarter 0.076895
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.108376
Precipitation during the hottest quarter 0.12273
Bulk density of soil 0.138196
Precipitation during the driest quarter 0.19514
Precipitation during the coldest quarter 0.203303
Sum of monthly Tavg where Tavg >=5 deg C 0.222561
Nitrogen content of soil 0.319901
Ratio of precipitation to potential evapotranspiration 0.450696
Day/night diurnal temperature difference 0.457027
Available water holding capacity of soil 0.52497
Solar interception 0.602559
Temperature during the hottest quarter 0.802605
Compound topographic index (relative wetness) 0.913709
Temperature during the coldest quarter 1.59688