Precipitation during the wettest quarter 0.000331
Precipitation during the driest quarter 0.83741
Carbon content of soil 0.974959
Nitrogen content of soil 1.11671
Temperature during the hottest quarter 2.43898
Ratio of precipitation to potential evapotranspiration 2.61486
Compound topographic index (relative wetness) 2.68054
Day/night diurnal temperature difference 2.78459
Solar interception 3.08552
Precipitation during the hottest quarter 3.51684
Bulk density of soil 3.5872
Available water holding capacity of soil 3.65082
Precipitation during the coldest quarter 3.95931
Temperature during the coldest quarter 4.26696
Sum of monthly Tavg where Tavg >=5 deg C 4.93653
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 4.9954