Sum of monthly Tavg where Tavg >=5 deg C 0.8516
Nitrogen content of soil 0.935571
Carbon content of soil 1.00164
Precipitation during the wettest quarter 1.17726
Day/night diurnal temperature difference 1.31817
Precipitation during the driest quarter 1.3532
Available water holding capacity of soil 1.42897
Bulk density of soil 1.61311
Temperature during the hottest quarter 1.72789
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 2.07174
Solar interception 2.16479
Compound topographic index (relative wetness) 3.49793
Temperature during the coldest quarter 3.81267
Precipitation during the coldest quarter 3.98517
Ratio of precipitation to potential evapotranspiration 4.9537
Precipitation during the hottest quarter 6.61816