| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Median | 10% Exceedance Volume | |
| Little Colorado | |||||
| Lyman Lk, Abv, St. Johns, Nr | March-June | 1 | 2.5 | 42 | 5.9 |
| Zuni | |||||
| Black Rock Res, Abv | March-May | 0 | 0.1 | 43 | 9.7 |
| Chevelon Ck | |||||
| Winslow, Nr, Wildcat Cyn, Blo | March-May | 2 | 6 | 43 | 12.7 |