Nitrogen content of soil 0.732876
Precipitation during the driest quarter 0.931554
Precipitation during the hottest quarter 0.95398
Available water holding capacity of soil 1.02964
Precipitation during the coldest quarter 1.06617
Compound topographic index (relative wetness) 1.15414
Sum of monthly Tavg where Tavg >=5 deg C 1.24718
Precipitation during the wettest quarter 1.38804
Solar interception 1.43972
Ratio of precipitation to potential evapotranspiration 1.77644
Temperature during the hottest quarter 2.10753
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 2.64895
Elevation 3.05234
Carbon content of soil 3.33514
Temperature during the coldest quarter 3.36598
Bulk density of soil 4.54594
Day/night diurnal temperature difference 8.28915