Precipitation during the hottest quarter 0.286871 Available water holding capacity of soil 0.345893 Nitrogen content of soil 0.377729 Precipitation during the wettest quarter 0.412489 Precipitation during the coldest quarter 0.517911 Precipitation during the driest quarter 0.537055 Sum of monthly Tavg where Tavg >=5 deg C 0.54166 Compound topographic index (relative wetness) 0.797686 Solar interception 0.928931 Ratio of precipitation to potential evapotranspiration 0.977587 Elevation 1.32569 Temperature during the hottest quarter 1.51221 Temperature during the coldest quarter 1.65139 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.88602 Carbon content of soil 1.94345 Bulk density of soil 3.33257 Day/night diurnal temperature difference 7.07738