Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.183104
Precipitation during the wettest quarter 0.198018
Precipitation during the coldest quarter 0.226269
Precipitation during the hottest quarter 0.244022
Temperature during the hottest quarter 0.287571
Ratio of precipitation to potential evapotranspiration 0.310124
Compound topographic index (relative wetness) 0.338888
Precipitation during the driest quarter 0.346272
Carbon content of soil 0.392169
Nitrogen content of soil 0.691433
Bulk density of soil 0.935972
Sum of monthly Tavg where Tavg >=5 deg C 1.0147
Available water holding capacity of soil 1.65437
Day/night diurnal temperature difference 1.71352
Temperature during the coldest quarter 2.55799
Solar interception 6.01695