| Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Median | 30% Exceedance Volume | 10% Exceedance Volume | |
| Little Colorado | |||||||
| Lyman Lk, Abv, St. Johns, Nr | January-June | 2.1 | 2.6 | 3 | 42 | 4 | 5.3 |
| March-June | 1.6 | 2.1 | 2.5 | 42 | 3.5 | 4.8 | |
| Zuni | |||||||
| Black Rock Res, Abv | January-May | 0 | 0.03 | 0.1 | 21 | 0.16 | 0.52 |
| March-May | 0 | 0.03 | 0.1 | 43 | 0.16 | 0.52 | |
| Chevelon Ck | |||||||
| Winslow, Nr, Wildcat Cyn, Blo | January-May | 11.3 | 13.9 | 17.7 | 127 | 22 | 29 |
| March-May | 0.64 | 3.2 | 7 | 50 | 11.6 | 18 |