Precipitation during the hottest quarter 0.458152 Precipitation during the coldest quarter 0.519807 Temperature during the hottest quarter 0.675553 Ratio of precipitation to potential evapotranspiration 0.690963 Available water holding capacity of soil 0.744927 Carbon content of soil 0.838557 Compound topographic index (relative wetness) 1.05137 Bulk density of soil 1.21785 Nitrogen content of soil 1.25688 Precipitation during the wettest quarter 1.35394 Precipitation during the driest quarter 1.35974 Day/night diurnal temperature difference 1.62547 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.76975 Sum of monthly Tavg where Tavg >=5 deg C 1.86704 Temperature during the coldest quarter 2.2744 Solar interception 6.96795