Sum of monthly Tavg where Tavg >=5 deg C 0.383806
Precipitation during the driest quarter 0.536604
Nitrogen content of soil 0.617574
Precipitation during the wettest quarter 0.620832
Carbon content of soil 0.624508
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.653341
Solar interception 0.765497
Bulk density of soil 0.957937
Precipitation during the hottest quarter 1.04392
Day/night diurnal temperature difference 1.20383
Precipitation during the coldest quarter 1.37837
Available water holding capacity of soil 1.54624
Ratio of precipitation to potential evapotranspiration 1.57395
Temperature during the hottest quarter 1.88497
Compound topographic index (relative wetness) 1.89758
Temperature during the coldest quarter 3.99214