| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Santa Clara | |||||
| Pine Valley, Nr | April-July | 0.95 | 1.1 | 21 | 1.7 |
| Virgin | |||||
| Virgin | April-July | 19.2 | 21 | 36 | 26 |
| Hurricane, Nr | April-July | 9.2 | 12.3 | 19.5 | 17.9 |
| Littlefield | April-July | 9.5 | 11.2 | 17.2 | 15.8 |