Ratio of precipitation to potential evapotranspiration 0.228431
Nitrogen content of soil 0.348855
Precipitation during the coldest quarter 0.407254
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.427411
Precipitation during the driest quarter 0.474729
Solar interception 0.666364
Precipitation during the hottest quarter 0.702656
Precipitation during the wettest quarter 0.71995
Bulk density of soil 0.730536
Available water holding capacity of soil 0.780366
Compound topographic index (relative wetness) 0.917582
Sum of monthly Tavg where Tavg >=5 deg C 0.955014
Elevation 1.21839
Temperature during the hottest quarter 1.48809
Carbon content of soil 1.97162
Temperature during the coldest quarter 2.19373
Day/night diurnal temperature difference 5.83298