| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Santa Clara | |||||
| Pine Valley, Nr | April-July | 2.8 | 3.3 | 60 | 4 |
| June-July | 0.6 | 1.1 | 48 | 1.8 | |
| Virgin | |||||
| Virgin | April-July | 31 | 35 | 55 | 39 |
| June-July | 7.5 | 11 | 67 | 15.2 | |
| Hurricane, Nr | April-July | 26 | 30 | 43 | 36 |
| June-July | 6.4 | 11 | 61 | 16.9 | |
| Littlefield | April-July | 24 | 28 | 38 | 34 |
| June-July | 6.7 | 11.5 | 63 | 17.6 |