Precipitation during the hottest quarter 0.281233
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.319682
Carbon content of soil 0.405898
Temperature during the hottest quarter 0.425106
Precipitation during the coldest quarter 0.514662
Compound topographic index (relative wetness) 0.912985
Nitrogen content of soil 0.951482
Precipitation during the driest quarter 0.955015
Ratio of precipitation to potential evapotranspiration 0.976127
Precipitation during the wettest quarter 0.976632
Day/night diurnal temperature difference 1.30465
Temperature during the coldest quarter 1.37582
Sum of monthly Tavg where Tavg >=5 deg C 1.97988
Bulk density of soil 2.20518
Solar interception 2.37374
Available water holding capacity of soil 3.04744