Precipitation during the coldest quarter 0.390313
Carbon content of soil 0.410365
Precipitation during the hottest quarter 0.521117
Nitrogen content of soil 0.570485
Ratio of precipitation to potential evapotranspiration 0.651603
Precipitation during the wettest quarter 0.735548
Precipitation during the driest quarter 0.761693
Sum of monthly Tavg where Tavg >=5 deg C 0.775062
Compound topographic index (relative wetness) 0.832155
Day/night diurnal temperature difference 0.861366
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.971041
Solar interception 1.40848
Bulk density of soil 1.5939
Available water holding capacity of soil 1.98427
Temperature during the hottest quarter 2.42325
Temperature during the coldest quarter 4.37267