Sum of monthly Tavg where Tavg >=5 deg C 0.33506
Precipitation during the driest quarter 0.503801
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.587983
Carbon content of soil 0.693539
Precipitation during the wettest quarter 0.7447
Nitrogen content of soil 0.937563
Day/night diurnal temperature difference 1.25283
Available water holding capacity of soil 1.56317
Bulk density of soil 1.82084
Temperature during the hottest quarter 1.83035
Solar interception 2.26559
Temperature during the coldest quarter 2.57606
Compound topographic index (relative wetness) 2.59665
Ratio of precipitation to potential evapotranspiration 3.49704
Precipitation during the coldest quarter 3.9966
Precipitation during the hottest quarter 5.16621