Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.04832 Nitrogen content of soil 1.26467 Compound topographic index (relative wetness) 1.38255 Precipitation during the driest quarter 1.39384 Temperature during the hottest quarter 1.50187 Precipitation during the wettest quarter 1.5086 Elevation 1.51269 Available water holding capacity of soil 1.91514 Carbon content of soil 2.32679 Solar interception 2.58077 Bulk density of soil 2.68125 Ratio of precipitation to potential evapotranspiration 3.49704 Sum of monthly Tavg where Tavg >=5 deg C 3.71003 Precipitation during the coldest quarter 4.00523 Precipitation during the hottest quarter 5.1005 Day/night diurnal temperature difference 5.28344 Temperature during the coldest quarter 5.48572