Carbon content of soil 0.330697
Sum of monthly Tavg where Tavg >=5 deg C 0.497036
Precipitation during the driest quarter 0.536282
Precipitation during the wettest quarter 0.563423
Solar interception 0.693229
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.698917
Bulk density of soil 0.772134
Nitrogen content of soil 0.819677
Ratio of precipitation to potential evapotranspiration 1.3472
Available water holding capacity of soil 1.43639
Temperature during the hottest quarter 1.65284
Day/night diurnal temperature difference 1.73866
Compound topographic index (relative wetness) 1.76791
Precipitation during the hottest quarter 3.16243
Precipitation during the coldest quarter 3.87209
Temperature during the coldest quarter 6.28513