Sum of monthly Tavg where Tavg >=5 deg C 1.04893
Nitrogen content of soil 1.19316
Carbon content of soil 1.22242
Precipitation during the driest quarter 1.2973
Day/night diurnal temperature difference 1.4149
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.6035
Precipitation during the wettest quarter 1.64007
Bulk density of soil 2.28659
Compound topographic index (relative wetness) 2.60455
Available water holding capacity of soil 2.64927
Ratio of precipitation to potential evapotranspiration 3.48266
Temperature during the hottest quarter 3.60246
Precipitation during the coldest quarter 4.12207
Solar interception 4.45202
Temperature during the coldest quarter 4.78169
Precipitation during the hottest quarter 5.16621