Nitrogen content of soil 0.201327
Precipitation during the hottest quarter 0.380156
Precipitation during the wettest quarter 0.437231
Precipitation during the coldest quarter 0.685488
Precipitation during the driest quarter 0.716739
Temperature during the hottest quarter 0.842317
Available water holding capacity of soil 0.846154
Compound topographic index (relative wetness) 1.08004
Solar interception 1.19542
Sum of monthly Tavg where Tavg >=5 deg C 1.23767
Ratio of precipitation to potential evapotranspiration 1.30603
Elevation 2.11733
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 2.77027
Temperature during the coldest quarter 2.96258
Day/night diurnal temperature difference 3.07539
Carbon content of soil 3.54282
Bulk density of soil 4.1893