Precipitation during the wettest quarter 0.04893 Available water holding capacity of soil 0.285098 Temperature during the hottest quarter 0.45959 Carbon content of soil 0.533999 Bulk density of soil 0.734282 Precipitation during the coldest quarter 0.762602 Ratio of precipitation to potential evapotranspiration 0.783847 Sum of monthly Tavg where Tavg >=5 deg C 0.822062 Day/night diurnal temperature difference 1.03876 Compound topographic index (relative wetness) 1.03886 Precipitation during the driest quarter 1.19294 Precipitation during the hottest quarter 1.32798 Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.42691 Nitrogen content of soil 1.58901 Temperature during the coldest quarter 3.583 Solar interception 10.1623