| Var # | Var Name | Variable Description |
| 1. | globe_ppthqtr | Precipitation during the hottest quarter |
| 2. | globe_pptfqtr | Precipitation during the coldest quarter |
| 3. | globe_pptdqtr | Precipitation during the driest quarter |
| 4. | globe_pptwqtr | Precipitation during the wettest quarter |
| 5. | global_pptpet | Ratio of precipitation to potential evapotranspiration |
| 6. | globe_tmnqtr | Temperature during the coldest quarter |
| 7. | globe_tmxqtr | Temperature during the hottest quarter |
| 8. | global_bioh | Sum of monthly Tavg where Tavg >=5 deg C |
| 9. | global_bioi | Integer number of consecutive months where Tavg >= 5 deg C (Length of potential growing season) |
| 10. | pawc2min | Available water holding capacity of soil |
| 11. | bulk2min | Bulk density of soil |
| 12. | carb2min | Carbon content of soil |
| 13. | nitro2min | Nitrogen content of soil |
| 14. | global_cti | Compound topographic index (relative wetness) |
| 15. | solarint | Solar interception |
| 16. | globe_diurnal | Day/night diurnal temperature difference |
| 17. | gc_elevation | Elevation (not used in our noelev clustering) |