Solar interception 0.09297
Nitrogen content of soil 0.464192
Carbon content of soil 0.669207
Bulk density of soil 0.711477
Precipitation during the wettest quarter 0.724753
Precipitation during the driest quarter 0.81323
Sum of monthly Tavg where Tavg >=5 deg C 0.820961
Day/night diurnal temperature difference 0.961937
Available water holding capacity of soil 1.23988
Temperature during the hottest quarter 1.35172
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.89582
Compound topographic index (relative wetness) 2.8037
Precipitation during the coldest quarter 3.68645
Precipitation during the hottest quarter 3.87003
Ratio of precipitation to potential evapotranspiration 4.32458
Temperature during the coldest quarter 5.18551