Precipitation during the hottest quarter 0.373479
Temperature during the hottest quarter 0.422059
Precipitation during the coldest quarter 0.440932
Ratio of precipitation to potential evapotranspiration 0.670436
Available water holding capacity of soil 0.785939
Carbon content of soil 0.931504
Compound topographic index (relative wetness) 0.954943
Temperature during the coldest quarter 1.06587
Precipitation during the wettest quarter 1.16752
Bulk density of soil 1.19003
Nitrogen content of soil 1.38637
Precipitation during the driest quarter 1.40294
Sum of monthly Tavg where Tavg >=5 deg C 1.56766
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 1.88771
Day/night diurnal temperature difference 1.99332
Solar interception 6.68381