Precipitation during the wettest quarter 0.25859
Nitrogen content of soil 0.757398
Solar interception 0.795667
Precipitation during the driest quarter 1.00353
Carbon content of soil 1.12595
Bulk density of soil 1.47314
Sum of monthly Tavg where Tavg >=5 deg C 1.55396
Day/night diurnal temperature difference 1.60061
Available water holding capacity of soil 2.39313
Temperature during the hottest quarter 2.71512
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 3.03843
Compound topographic index (relative wetness) 3.49793
Temperature during the coldest quarter 3.5751
Precipitation during the coldest quarter 4.28164
Ratio of precipitation to potential evapotranspiration 4.9537
Precipitation during the hottest quarter 6.61816