Precipitation during the driest quarter 0.568807 Precipitation during the wettest quarter 0.877801 Nitrogen content of soil 1.0035 Compound topographic index (relative wetness) 1.16626 Sum of monthly Tavg where Tavg >=5 deg C 1.24134 Precipitation during the hottest quarter 1.27631 Available water holding capacity of soil 1.34507 Solar interception 1.60981 Ratio of precipitation to potential evapotranspiration 1.6886 Precipitation during the coldest quarter 1.83285 Temperature during the coldest quarter 2.29926 Elevation 2.77319 Temperature during the hottest quarter 3.05758 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 3.61286 Bulk density of soil 5.84955 Carbon content of soil 6.7907 Day/night diurnal temperature difference 10.1599