Solar interception 0.238886
Nitrogen content of soil 0.479138
Sum of monthly Tavg where Tavg >=5 deg C 0.750418
Ratio of precipitation to potential evapotranspiration 0.805073
Carbon content of soil 0.807167
Precipitation during the wettest quarter 0.851507
Precipitation during the driest quarter 0.922806
Precipitation during the coldest quarter 0.984182
Bulk density of soil 1.05675
Compound topographic index (relative wetness) 1.10951
Day/night diurnal temperature difference 1.20002
Precipitation during the hottest quarter 1.3682
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.80096
Available water holding capacity of soil 2.18434
Temperature during the hottest quarter 2.29211
Temperature during the coldest quarter 5.32077