| 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 | 1.5 | 1.8 | 2.2 | 37 | 2.7 | 5.2 |
| February-June | 1.3 | 1.6 | 2 | 36 | 2.5 | 5 | |
| Zuni | |||||||
| Black Rock Res, Abv | January-May | 0.01 | 0.07 | 0.1 | 77 | 0.3 | 0.91 |
| February-May | 0.01 | 0.07 | 0.1 | 100 | 0.3 | 0.91 | |
| Chevelon Ck | |||||||
| Winslow, Nr, Wildcat Cyn, Blo | January-May | 2.6 | 3.5 | 6.1 | 44 | 11.2 | 25 |
| February-May | 2 | 2.9 | 5.5 | 40 | 10.6 | 24 |