Precipitation during the driest quarter 0.938718
Nitrogen content of soil 0.956653
Compound topographic index (relative wetness) 1.18966
Precipitation during the wettest quarter 1.80377
Solar interception 2.44631
Temperature during the hottest quarter 2.66271
Ratio of precipitation to potential evapotranspiration 2.68451
Available water holding capacity of soil 3.13547
Temperature during the coldest quarter 3.28917
Elevation 3.36809
Precipitation during the hottest quarter 3.62255
Precipitation during the coldest quarter 3.68583
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 4.14449
Sum of monthly Tavg where Tavg >=5 deg C 4.7421
Bulk density of soil 6.69228
Carbon content of soil 6.89048
Day/night diurnal temperature difference 9.45704