| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Santa Clara | |||||
| Pine Valley, Nr | April-July | 1.4 | 1.4 | 28 | 1.5 |
| June-July | 0.49 | 0.51 | 24 | 0.55 | |
| Virgin | |||||
| Virgin | April-July | 18.2 | 18.6 | 32 | 20 |
| June-July | 7.3 | 7.7 | 51 | 9.1 | |
| Hurricane, Nr | April-July | 12.9 | 13.5 | 21 | 15.8 |
| June-July | 4.9 | 5.5 | 34 | 7.8 | |
| Littlefield | April-July | 15.6 | 16.4 | 25 | 18.2 |
| June-July | 4.2 | 5 | 29 | 6.8 |