Precipitation during the wettest quarter 0.000398
Precipitation during the hottest quarter 0.054199
Compound topographic index (relative wetness) 0.191176
Carbon content of soil 0.349617
Bulk density of soil 0.365993
Precipitation during the driest quarter 0.45039
Sum of monthly Tavg where Tavg >=5 deg C 0.457143
Nitrogen content of soil 0.528741
Temperature during the hottest quarter 0.647003
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.716984
Precipitation during the coldest quarter 0.786282
Day/night diurnal temperature difference 0.958144
Elevation 1.03327
Available water holding capacity of soil 1.12798
Solar interception 1.13749
Ratio of precipitation to potential evapotranspiration 1.66502
Temperature during the coldest quarter 1.97978