Sum of monthly Tavg where Tavg >=5 deg C 0.307871
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.321801
Precipitation during the coldest quarter 0.356042
Precipitation during the hottest quarter 0.493214
Carbon content of soil 0.554144
Temperature during the coldest quarter 0.593298
Compound topographic index (relative wetness) 0.599181
Ratio of precipitation to potential evapotranspiration 0.615837
Available water holding capacity of soil 0.653693
Bulk density of soil 0.676325
Nitrogen content of soil 0.762483
Solar interception 0.904021
Precipitation during the driest quarter 1.01789
Temperature during the hottest quarter 1.19709
Precipitation during the wettest quarter 1.22104
Elevation 1.58115
Day/night diurnal temperature difference 4.72415