Solar interception 0.078741
Nitrogen content of soil 0.344301
Carbon content of soil 0.642596
Day/night diurnal temperature difference 0.680613
Precipitation during the wettest quarter 0.698701
Bulk density of soil 0.759897
Precipitation during the driest quarter 0.906258
Sum of monthly Tavg where Tavg >=5 deg C 0.946654
Precipitation during the hottest quarter 1.30809
Precipitation during the coldest quarter 1.33931
Ratio of precipitation to potential evapotranspiration 1.39361
Compound topographic index (relative wetness) 1.42025
Available water holding capacity of soil 1.58287
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.65319
Temperature during the coldest quarter 1.77333
Temperature during the hottest quarter 1.81722