| 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 | 0.63 | 1.2 | 1.7 | 33 | 2.4 | 3.4 |
| Virgin | |||||||
| Virgin | April-July | 18.5 | 23 | 27 | 47 | 33 | 43 |
| Hurricane, Nr | April-July | 10 | 15 | 19 | 30 | 24 | 36 |
| Littlefield | April-July | 15 | 18 | 22 | 34 | 27 | 40 |