Precipitation during the driest quarter 0.29877 Precipitation during the wettest quarter 0.3505 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.449977 Sum of monthly Tavg where Tavg >=5 deg C 0.456913 Nitrogen content of soil 0.495021 Compound topographic index (relative wetness) 0.594214 Precipitation during the coldest quarter 0.655867 Carbon content of soil 0.736863 Precipitation during the hottest quarter 0.784137 Bulk density of soil 0.85432 Temperature during the coldest quarter 0.908024 Available water holding capacity of soil 0.999236 Ratio of precipitation to potential evapotranspiration 1.05662 Solar interception 1.24267 Elevation 1.50562 Temperature during the hottest quarter 2.39658 Day/night diurnal temperature difference 6.92717