Precipitation during the hottest quarter 0.182641
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.21395
Carbon content of soil 0.305585
Temperature during the hottest quarter 0.315784
Precipitation during the driest quarter 0.391376
Precipitation during the coldest quarter 0.434454
Nitrogen content of soil 0.506321
Compound topographic index (relative wetness) 0.763112
Ratio of precipitation to potential evapotranspiration 0.813155
Precipitation during the wettest quarter 0.862347
Bulk density of soil 1.03135
Sum of monthly Tavg where Tavg >=5 deg C 1.28649
Day/night diurnal temperature difference 1.28759
Temperature during the coldest quarter 1.54798
Available water holding capacity of soil 2.29955
Solar interception 6.08669