| 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 | 0.4 | 0.7 | 1.1 | 22 | 1.4 | 2.3 |
| Virgin | |||||||
| Virgin | April-July | 15 | 18 | 20 | 34 | 23 | 28 |
| Hurricane, Nr | April-July | 10 | 12 | 13.5 | 21 | 17 | 22 |
| Littlefield | April-July | 14 | 16.5 | 19 | 29 | 24 | 29 |