Sum of monthly Tavg where Tavg >=5 deg C 0.539654
Precipitation during the hottest quarter 0.547386
Carbon content of soil 0.566716
Nitrogen content of soil 0.688216
Ratio of precipitation to potential evapotranspiration 0.747076
Precipitation during the coldest quarter 0.760112
Precipitation during the wettest quarter 0.783581
Precipitation during the driest quarter 0.841107
Day/night diurnal temperature difference 0.858999
Compound topographic index (relative wetness) 1.12507
Bulk density of soil 1.2406
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.43216
Solar interception 1.81086
Available water holding capacity of soil 2.11238
Temperature during the hottest quarter 2.16839
Temperature during the coldest quarter 4.02873