Nitrogen content of soil 0.500438
Precipitation during the hottest quarter 0.52952
Precipitation during the coldest quarter 0.556339
Precipitation during the driest quarter 0.674004
Available water holding capacity of soil 0.683437
Compound topographic index (relative wetness) 0.823316
Ratio of precipitation to potential evapotranspiration 0.956237
Temperature during the coldest quarter 0.958636
Sum of monthly Tavg where Tavg >=5 deg C 1.104
Solar interception 1.23687
Precipitation during the wettest quarter 1.58051
Elevation 1.66653
Temperature during the hottest quarter 1.73599
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 2.33557
Bulk density of soil 3.5128
Carbon content of soil 4.44765
Day/night diurnal temperature difference 7.40302