Solar interception 0.09297
Precipitation during the wettest quarter 0.109308
Nitrogen content of soil 0.360233
Carbon content of soil 0.516805
Precipitation during the driest quarter 0.608485
Sum of monthly Tavg where Tavg >=5 deg C 0.77795
Bulk density of soil 0.798776
Day/night diurnal temperature difference 1.07442
Temperature during the hottest quarter 1.40546
Available water holding capacity of soil 1.40945
Precipitation during the coldest quarter 1.41788
Precipitation during the hottest quarter 1.44219
Ratio of precipitation to potential evapotranspiration 1.53013
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.89582
Compound topographic index (relative wetness) 1.96879
Temperature during the coldest quarter 2.24946