Precipitation during the wettest quarter 0 Precipitation during the hottest quarter 0.192003 Nitrogen content of soil 0.239014 Precipitation during the driest quarter 0.417647 Bulk density of soil 0.419996 Available water holding capacity of soil 0.438468 Carbon content of soil 0.501115 Solar interception 0.535699 Temperature during the hottest quarter 0.559229 Sum of monthly Tavg where Tavg >=5 deg C 0.759323 Precipitation during the coldest quarter 0.992897 Day/night diurnal temperature difference 1.02268 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.3436 Compound topographic index (relative wetness) 1.37665 Ratio of precipitation to potential evapotranspiration 1.64176 Temperature during the coldest quarter 1.9275