| 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 | 4.2 | 5.1 | 5.7 | 114 | 6.3 | 7.7 |
| Virgin | |||||||
| Virgin | April-July | 60 | 65 | 70 | 121 | 81 | 86 |
| Hurricane, Nr | April-July | 55 | 61 | 69 | 110 | 82 | 90 |
| Littlefield | April-July | 62 | 69 | 77 | 118 | 93 | 102 |