| Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
| Santa Clara | |||||||
| Pine Valley, Nr | April-July | 1.6 | 3 | 3.8 | 76 | 4.1 | 6 |
| Virgin | |||||||
| Virgin | April-July | 24 | 36 | 39 | 70 | 44 | 56 |
| Hurricane, Nr | April-July | 21 | 28 | 40 | 74 | 46 | 60 |
| Littlefield | April-July | 25 | 32 | 44 | 73 | 49 | 65 |