Sum of monthly Tavg where Tavg >=5 deg C 0.202598
Solar interception 0.287189
Carbon content of soil 0.352753
Precipitation during the hottest quarter 0.417573
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.475173
Precipitation during the wettest quarter 0.551928
Precipitation during the driest quarter 0.568256
Precipitation during the coldest quarter 0.637135
Day/night diurnal temperature difference 0.6643
Nitrogen content of soil 0.725048
Ratio of precipitation to potential evapotranspiration 0.77089
Bulk density of soil 1.04215
Compound topographic index (relative wetness) 1.17312
Available water holding capacity of soil 1.38517
Temperature during the hottest quarter 1.76197
Temperature during the coldest quarter 1.92426