Ratio of precipitation to potential evapotranspiration 0.169427
Solar interception 0.265266
Precipitation during the coldest quarter 0.307602
Sum of monthly Tavg where Tavg >=5 deg C 0.316428
Precipitation during the hottest quarter 0.335787
Carbon content of soil 0.38495
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.443119
Bulk density of soil 0.523497
Nitrogen content of soil 0.735023
Precipitation during the wettest quarter 0.759755
Compound topographic index (relative wetness) 0.793741
Available water holding capacity of soil 0.859004
Elevation 1.14896
Day/night diurnal temperature difference 1.22599
Precipitation during the driest quarter 1.28064
Temperature during the hottest quarter 1.69847
Temperature during the coldest quarter 2.57519