Temperature during the coldest quarter 0.572093
Carbon content of soil 0.657029
Nitrogen content of soil 0.682964
Sum of monthly Tavg where Tavg >=5 deg C 0.723025
Precipitation during the driest quarter 0.727829
Precipitation during the coldest quarter 0.730379
Temperature during the hottest quarter 0.734037
Available water holding capacity of soil 0.782443
Ratio of precipitation to potential evapotranspiration 0.883806
Precipitation during the hottest quarter 0.945997
Bulk density of soil 1.07614
Precipitation during the wettest quarter 1.17537
Compound topographic index (relative wetness) 1.28334
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.42958
Day/night diurnal temperature difference 2.39388
Solar interception 6.36362