Nitrogen content of soil 0.659143
Precipitation during the driest quarter 1.02137
Precipitation during the coldest quarter 1.40998
Compound topographic index (relative wetness) 1.56518
Precipitation during the hottest quarter 1.71326
Solar interception 1.86838
Precipitation during the wettest quarter 1.92311
Temperature during the hottest quarter 2.02852
Temperature during the coldest quarter 2.09011
Ratio of precipitation to potential evapotranspiration 2.31006
Elevation 3.13798
Available water holding capacity of soil 3.44252
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 3.94473
Sum of monthly Tavg where Tavg >=5 deg C 4.75818
Bulk density of soil 6.22016
Carbon content of soil 6.33559
Day/night diurnal temperature difference 9.92235