| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Santa Clara | |||||
| Pine Valley, Nr | April-July | 1.8 | 3.2 | 64 | 4.5 |
| Virgin | |||||
| Virgin | April-July | 23 | 38 | 66 | 50 |
| Hurricane, Nr | April-July | 16 | 36 | 57 | 51 |
| Littlefield | April-July | 16 | 37 | 57 | 51 |