Precipitation during the driest quarter 0.483154 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.483792 Temperature during the hottest quarter 0.698246 Precipitation during the wettest quarter 0.725946 Available water holding capacity of soil 0.761772 Nitrogen content of soil 0.900416 Compound topographic index (relative wetness) 0.941511 Day/night diurnal temperature difference 1.20424 Elevation 1.34621 Bulk density of soil 1.45019 Carbon content of soil 1.58593 Sum of monthly Tavg where Tavg >=5 deg C 1.74523 Precipitation during the hottest quarter 3.54192 Precipitation during the coldest quarter 3.76968 Temperature during the coldest quarter 5.31994 Ratio of precipitation to potential evapotranspiration 7.06267 Solar interception 7.36344