Precipitation during the wettest quarter 0.116716
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.296234
Carbon content of soil 0.364459
Temperature during the hottest quarter 0.396322
Precipitation during the hottest quarter 0.426115
Precipitation during the driest quarter 0.433493
Precipitation during the coldest quarter 0.542993
Nitrogen content of soil 0.684677
Compound topographic index (relative wetness) 1.03866
Ratio of precipitation to potential evapotranspiration 1.09164
Temperature during the coldest quarter 1.09652
Sum of monthly Tavg where Tavg >=5 deg C 1.75106
Bulk density of soil 1.90083
Day/night diurnal temperature difference 2.76513
Available water holding capacity of soil 2.81653
Solar interception 4.22374