Solar interception 0.119902
Sum of monthly Tavg where Tavg >=5 deg C 0.319084
Carbon content of soil 0.333288
Nitrogen content of soil 0.381369
Day/night diurnal temperature difference 0.433039
Precipitation during the driest quarter 0.570277
Precipitation during the hottest quarter 0.627078
Precipitation during the wettest quarter 0.669769
Temperature during the hottest quarter 0.67268
Bulk density of soil 0.722695
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.736204
Available water holding capacity of soil 0.75038
Precipitation during the coldest quarter 1.18772
Ratio of precipitation to potential evapotranspiration 1.52638
Compound topographic index (relative wetness) 1.84285
Temperature during the coldest quarter 2.633