Precipitation during the wettest quarter 0.048974
Compound topographic index (relative wetness) 0.234736
Elevation 0.444802
Nitrogen content of soil 0.529751
Temperature during the hottest quarter 0.615798
Precipitation during the driest quarter 0.616933
Ratio of precipitation to potential evapotranspiration 0.62532
Precipitation during the hottest quarter 0.67574
Precipitation during the coldest quarter 0.733466
Day/night diurnal temperature difference 0.813827
Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) 0.84077
Solar interception 1.04101
Carbon content of soil 1.4274
Temperature during the coldest quarter 1.67697
Available water holding capacity of soil 2.02989
Bulk density of soil 2.32221
Sum of monthly Tavg where Tavg >=5 deg C 2.40527