Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.337352
Precipitation during the hottest quarter 0.426115
Temperature during the hottest quarter 0.48652
Carbon content of soil 0.527491
Precipitation during the coldest quarter 0.60457
Precipitation during the driest quarter 0.795757
Nitrogen content of soil 0.862439
Precipitation during the wettest quarter 0.938048
Ratio of precipitation to potential evapotranspiration 1.11479
Compound topographic index (relative wetness) 1.16809
Day/night diurnal temperature difference 1.87796
Temperature during the coldest quarter 1.88475
Sum of monthly Tavg where Tavg >=5 deg C 2.17587
Bulk density of soil 2.33345
Available water holding capacity of soil 3.43432
Solar interception 4.21475