| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Santa Clara | |||||
| Pine Valley, Nr | April-July | 2.5 | 3.6 | 65 | 4.9 |
| May-July | 1.7 | 2.8 | 64 | 4.1 | |
| Virgin | |||||
| Virgin | April-July | 36 | 43 | 67 | 51 |
| May-July | 23 | 30 | 70 | 38 | |
| Hurricane, Nr | April-July | 32 | 42 | 61 | 53 |
| May-July | 20 | 30 | 65 | 41 | |
| Littlefield | April-July | 32 | 43 | 58 | 56 |
| May-July | 19.4 | 30 | 63 | 43 |