Carbon content of soil 0.361218
Precipitation during the driest quarter 0.445553
Sum of monthly Tavg where Tavg >=5 deg C 0.477366
Ratio of precipitation to potential evapotranspiration 0.54379
Precipitation during the coldest quarter 0.571693
Precipitation during the wettest quarter 0.712243
Compound topographic index (relative wetness) 0.742877
Available water holding capacity of soil 0.840005
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.873052
Temperature during the hottest quarter 0.982451
Nitrogen content of soil 0.999026
Precipitation during the hottest quarter 1.11157
Temperature during the coldest quarter 1.39439
Bulk density of soil 2.24818
Day/night diurnal temperature difference 2.36514
Solar interception 6.44026