Sum of monthly Tavg where Tavg >=5 deg C 0.719868
Nitrogen content of soil 0.821135
Carbon content of soil 0.855537
Day/night diurnal temperature difference 0.933822
Precipitation during the driest quarter 1.14193
Precipitation during the wettest quarter 1.25815
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.29426
Bulk density of soil 1.37787
Ratio of precipitation to potential evapotranspiration 2.15925
Solar interception 2.16479
Available water holding capacity of soil 2.29265
Temperature during the hottest quarter 2.40478
Compound topographic index (relative wetness) 2.57937
Precipitation during the hottest quarter 3.51924
Precipitation during the coldest quarter 4.0095
Temperature during the coldest quarter 5.08182