Precipitation during the hottest quarter 0.625086
Nitrogen content of soil 0.766263
Precipitation during the coldest quarter 0.784437
Ratio of precipitation to potential evapotranspiration 0.846914
Sum of monthly Tavg where Tavg >=5 deg C 0.93655
Compound topographic index (relative wetness) 0.953268
Day/night diurnal temperature difference 1.0939
Carbon content of soil 1.10825
Precipitation during the wettest quarter 1.22526
Precipitation during the driest quarter 1.32615
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.72618
Bulk density of soil 2.11886
Available water holding capacity of soil 2.53712
Temperature during the hottest quarter 3.21441
Solar interception 3.34456
Temperature during the coldest quarter 4.1495