Available water holding capacity of soil 0.800413 Precipitation during the hottest quarter 0.964513 Temperature during the hottest quarter 0.991327 Carbon content of soil 1.10739 Precipitation during the coldest quarter 1.12766 Precipitation during the driest quarter 1.58919 Precipitation during the wettest quarter 1.64324 Compound topographic index (relative wetness) 1.75939 Nitrogen content of soil 1.76339 Ratio of precipitation to potential evapotranspiration 1.82763 Temperature during the coldest quarter 1.90701 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.94957 Sum of monthly Tavg where Tavg >=5 deg C 2.29851 Bulk density of soil 2.32393 Day/night diurnal temperature difference 2.9084 Solar interception 8.84882