| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Santa Clara | |||||
| Pine Valley, Nr | April-July | 1 | 1.3 | 26 | 2.6 |
| Virgin | |||||
| Virgin | April-July | 18.3 | 20 | 34 | 26 |
| Hurricane, Nr | April-July | 7.6 | 10.8 | 17.1 | 16.8 |
| Littlefield | April-July | 8.4 | 10.4 | 16 | 15.1 |