| Field | Lat | Lon | Soil Type | Mean annual | |
| precipitation | temperature | ||||
| Parma | 43.80243 | −116.94291 | Green leaf-Owyhee silt loams | 24 cm | 10˚C |
| Ashton | 44.07127 | −111.39983 | Greentimber-Marystown-Robinlee silt loams | 43 cm | 5˚C |
| Rupert | 42.72016 | −113.50641 | Sluka silt loam | 28 cm | 10˚C |