Precipitation during the hottest quarter 0.561342 Nitrogen content of soil 0.6528 Available water holding capacity of soil 0.773891 Precipitation during the driest quarter 1.2018 Sum of monthly Tavg where Tavg >=5 deg C 1.24616 Precipitation during the coldest quarter 1.30814 Compound topographic index (relative wetness) 1.34802 Solar interception 1.40344 Precipitation during the wettest quarter 1.67273 Temperature during the coldest quarter 1.71124 Ratio of precipitation to potential evapotranspiration 1.7492 Elevation 1.84275 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 2.49242 Carbon content of soil 3.29831 Temperature during the hottest quarter 3.34875 Bulk density of soil 3.94156 Day/night diurnal temperature difference 9.94397