Nitrogen content of soil 0.553106
Compound topographic index (relative wetness) 0.600073
Precipitation during the hottest quarter 0.618116
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.6203
Temperature during the hottest quarter 0.626654
Available water holding capacity of soil 0.69039
Precipitation during the coldest quarter 0.691258
Carbon content of soil 0.706638
Ratio of precipitation to potential evapotranspiration 0.778997
Day/night diurnal temperature difference 0.828342
Precipitation during the driest quarter 0.842514
Elevation 1.01747
Solar interception 1.10207
Precipitation during the wettest quarter 1.2614
Sum of monthly Tavg where Tavg >=5 deg C 1.7376
Bulk density of soil 1.86305
Temperature during the coldest quarter 3.16416