Carbon content of soil 0.963865 Precipitation during the driest quarter 0.982517 Precipitation during the hottest quarter 0.991353 Temperature during the hottest quarter 1.12613 Precipitation during the coldest quarter 1.20986 Nitrogen content of soil 1.22949 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.41914 Temperature during the coldest quarter 1.61773 Compound topographic index (relative wetness) 1.82445 Precipitation during the wettest quarter 1.85009 Ratio of precipitation to potential evapotranspiration 2.0499 Day/night diurnal temperature difference 2.6353 Sum of monthly Tavg where Tavg >=5 deg C 3.38165 Bulk density of soil 5.26639 Available water holding capacity of soil 5.73797 Solar interception 8.50446