Solar interception 0.084039
Precipitation during the wettest quarter 0.109308
Carbon content of soil 0.15615
Nitrogen content of soil 0.189553
Precipitation during the driest quarter 0.259641
Day/night diurnal temperature difference 0.401526
Sum of monthly Tavg where Tavg >=5 deg C 0.577908
Precipitation during the coldest quarter 0.648041
Ratio of precipitation to potential evapotranspiration 0.683666
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.903547
Precipitation during the hottest quarter 0.924755
Compound topographic index (relative wetness) 0.925153
Bulk density of soil 0.95116
Temperature during the hottest quarter 1.28076
Available water holding capacity of soil 1.70131
Temperature during the coldest quarter 1.71877