Solar interception 0.281943
Sum of monthly Tavg where Tavg >=5 deg C 0.314402
Bulk density of soil 0.467975
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.57489
Precipitation during the driest quarter 0.608604
Day/night diurnal temperature difference 0.638541
Nitrogen content of soil 0.650228
Precipitation during the wettest quarter 0.783149
Carbon content of soil 0.861451
Precipitation during the coldest quarter 0.906289
Compound topographic index (relative wetness) 0.915667
Precipitation during the hottest quarter 0.925028
Available water holding capacity of soil 0.944106
Temperature during the hottest quarter 1.33925
Ratio of precipitation to potential evapotranspiration 1.46642
Temperature during the coldest quarter 1.85584