Precipitation during the wettest quarter 0.100564
Nitrogen content of soil 0.199211
Precipitation during the hottest quarter 0.29287
Temperature during the hottest quarter 0.368386
Available water holding capacity of soil 0.480624
Precipitation during the coldest quarter 0.487898
Precipitation during the driest quarter 0.585143
Sum of monthly Tavg where Tavg >=5 deg C 0.718285
Day/night diurnal temperature difference 0.850764
Ratio of precipitation to potential evapotranspiration 0.934621
Solar interception 1.04866
Compound topographic index (relative wetness) 1.08488
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.86536
Carbon content of soil 1.96417
Temperature during the coldest quarter 2.53144
Elevation 2.55257
Bulk density of soil 3.00394