| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Santa Clara | |||||
| Pine Valley, Nr | April-July | 1.6 | 2.3 | 46 | 3.1 |
| May-July | 0.8 | 1.5 | 38 | 2.3 | |
| Virgin | |||||
| Virgin | April-July | 20 | 27 | 47 | 34 |
| May-July | 11 | 18 | 47 | 25 | |
| Hurricane, Nr | April-July | 13.5 | 25 | 40 | 35 |
| May-July | 10 | 21 | 51 | 30 | |
| Littlefield | April-July | 16 | 27 | 42 | 34 |
| May-July | 11 | 22 | 51 | 30 |