| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Santa Clara | |||||
| Pine Valley, Nr | April-July | 1.7 | 2.2 | 44 | 2.8 |
| June-July | 0.2 | 0.7 | 33 | 1.3 | |
| Virgin | |||||
| Virgin | April-July | 21 | 25 | 43 | 32 |
| June-July | 4 | 8 | 53 | 15 | |
| Hurricane, Nr | April-July | 12.9 | 18 | 29 | 24 |
| June-July | 5.5 | 10.6 | 65 | 18 | |
| Littlefield | April-July | 14.7 | 19.2 | 30 | 26 |
| June-July | 5.5 | 10 | 57 | 18 |