Compound topographic index (relative wetness) 0.77149
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.79935
Nitrogen content of soil 0.829808
Precipitation during the driest quarter 0.96118
Elevation 1.00515
Available water holding capacity of soil 1.15353
Temperature during the hottest quarter 1.22753
Precipitation during the wettest quarter 1.24264
Ratio of precipitation to potential evapotranspiration 1.44822
Carbon content of soil 1.6013
Bulk density of soil 1.75991
Sum of monthly Tavg where Tavg >=5 deg C 2.13863
Solar interception 2.19526
Precipitation during the hottest quarter 3.25515
Precipitation during the coldest quarter 3.87759
Temperature during the coldest quarter 4.085
Day/night diurnal temperature difference 5.28344