Solar interception 0.325786
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.362394
Carbon content of soil 0.456386
Sum of monthly Tavg where Tavg >=5 deg C 0.467175
Day/night diurnal temperature difference 0.473241
Ratio of precipitation to potential evapotranspiration 0.508631
Precipitation during the hottest quarter 0.531691
Bulk density of soil 0.543703
Nitrogen content of soil 0.569918
Precipitation during the coldest quarter 0.641748
Precipitation during the wettest quarter 0.780288
Precipitation during the driest quarter 0.80779
Temperature during the hottest quarter 0.92516
Compound topographic index (relative wetness) 1.00851
Available water holding capacity of soil 1.38221
Temperature during the coldest quarter 3.76896