Precipitation during the hottest quarter 0.143734
Nitrogen content of soil 0.179162
Elevation 0.195219
Compound topographic index (relative wetness) 0.260795
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.277299
Precipitation during the wettest quarter 0.316048
Temperature during the hottest quarter 0.33058
Precipitation during the driest quarter 0.339758
Precipitation during the coldest quarter 0.399755
Available water holding capacity of soil 0.442258
Ratio of precipitation to potential evapotranspiration 0.448692
Bulk density of soil 0.4553
Carbon content of soil 0.51328
Sum of monthly Tavg where Tavg >=5 deg C 0.64911
Solar interception 0.899751
Day/night diurnal temperature difference 1.00446
Temperature during the coldest quarter 2.27974