Precipitation during the hottest quarter 0.431612 Nitrogen content of soil 0.571259 Compound topographic index (relative wetness) 0.857358 Available water holding capacity of soil 0.877934 Precipitation during the driest quarter 0.884511 Precipitation during the coldest quarter 1.06617 Solar interception 1.3599 Precipitation during the wettest quarter 1.38619 Sum of monthly Tavg where Tavg >=5 deg C 1.39596 Ratio of precipitation to potential evapotranspiration 1.69872 Elevation 1.81 Temperature during the coldest quarter 1.86332 Temperature during the hottest quarter 1.86703 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 2.42592 Carbon content of soil 3.26976 Bulk density of soil 3.60628 Day/night diurnal temperature difference 6.3901