| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Santa Clara | |||||
| Pine Valley, Nr | April-July | 1.5 | 2 | 40 | 2.7 |
| May-July | 0.6 | 1.1 | 28 | 1.8 | |
| Virgin | |||||
| Virgin | April-July | 21 | 26 | 45 | 31 |
| May-July | 9.6 | 14 | 37 | 19.2 | |
| Hurricane, Nr | April-July | 14.7 | 21 | 33 | 29 |
| May-July | 7.6 | 14 | 34 | 22 | |
| Littlefield | April-July | 15.4 | 22 | 34 | 31 |
| May-July | 9 | 13 | 30 | 22 |