| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Median | 10% Exceedance Volume | |
| Little Colorado | |||||
| Lyman Lk, Abv, St. Johns, Nr | March-June | 1.1 | 1.6 | 27 | 2.7 |
| Zuni | |||||
| Black Rock Res, Abv | March-May | 0 | 0.03 | 13 | 0.13 |
| Chevelon Ck | |||||
| Winslow, Nr, Wildcat Cyn, Blo | March-May | 0.91 | 3.3 | 24 | 10.5 |