| 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 | 3.9 | 4.6 | 5.5 | 110 | 6.6 | 8.8 |
| Virgin | |||||||
| Virgin | April-July | 45 | 54 | 65 | 112 | 82 | 97 |
| Hurricane, Nr | April-July | 42 | 52 | 65 | 103 | 85 | 111 |
| Littlefield | April-July | 42 | 53 | 69 | 106 | 95 | 123 |