Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.763911 Precipitation during the driest quarter 0.806201 Nitrogen content of soil 0.902442 Precipitation during the wettest quarter 0.993045 Compound topographic index (relative wetness) 1.12187 Sum of monthly Tavg where Tavg >=5 deg C 1.23749 Carbon content of soil 1.3155 Bulk density of soil 1.54236 Day/night diurnal temperature difference 1.77633 Available water holding capacity of soil 1.81016 Solar interception 1.88123 Elevation 1.90086 Temperature during the hottest quarter 2.356 Precipitation during the coldest quarter 2.42219 Precipitation during the hottest quarter 2.55563 Ratio of precipitation to potential evapotranspiration 3.05128 Temperature during the coldest quarter 4.29145