Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.14401
Precipitation during the wettest quarter 0.220766
Compound topographic index (relative wetness) 0.244727
Temperature during the hottest quarter 0.252286
Nitrogen content of soil 0.257088
Elevation 0.2655
Precipitation during the hottest quarter 0.274275
Day/night diurnal temperature difference 0.344246
Precipitation during the driest quarter 0.413609
Bulk density of soil 0.43381
Carbon content of soil 0.440838
Available water holding capacity of soil 0.450706
Precipitation during the coldest quarter 0.482052
Sum of monthly Tavg where Tavg >=5 deg C 0.61546
Ratio of precipitation to potential evapotranspiration 0.654742
Temperature during the coldest quarter 0.75555
Solar interception 0.959267