Precipitation during the coldest quarter 0.448351
Nitrogen content of soil 0.45424
Compound topographic index (relative wetness) 0.473014
Precipitation during the driest quarter 0.474349
Precipitation during the hottest quarter 0.498032
Precipitation during the wettest quarter 0.696346
Elevation 0.705484
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.81967
Ratio of precipitation to potential evapotranspiration 0.922789
Temperature during the hottest quarter 1.45573
Available water holding capacity of soil 1.47029
Solar interception 1.55269
Bulk density of soil 1.73051
Carbon content of soil 1.81493
Temperature during the coldest quarter 2.03188
Sum of monthly Tavg where Tavg >=5 deg C 2.22863
Day/night diurnal temperature difference 5.06617