Precipitation during the wettest quarter 0.011135
Solar interception 0.039667
Nitrogen content of soil 0.341723
Carbon content of soil 0.657698
Precipitation during the driest quarter 0.67838
Sum of monthly Tavg where Tavg >=5 deg C 0.689626
Bulk density of soil 0.737618
Day/night diurnal temperature difference 0.826335
Temperature during the hottest quarter 1.00728
Available water holding capacity of soil 1.02728
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.11854
Compound topographic index (relative wetness) 2.88735
Temperature during the coldest quarter 2.96735
Precipitation during the coldest quarter 3.40611
Precipitation during the hottest quarter 3.54739
Ratio of precipitation to potential evapotranspiration 4.30993