| 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 | 1.4 | 2.2 | 3 | 60 | 3.9 | 5.4 |
| Virgin | |||||||
| Virgin | April-July | 23 | 30 | 34 | 61 | 39 | 53 |
| Hurricane, Nr | April-July | 16.1 | 26 | 31 | 57 | 38 | 54 |
| Littlefield | April-July | 19.6 | 30 | 34 | 57 | 42 | 59 |