| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Median | 10% Exceedance Volume | |
| Little Colorado | |||||
| Lyman Lk, Abv, St. Johns, Nr | January-June | 1.5 | 3.3 | 46 | 7.2 |
| February-June | 1.3 | 3.2 | 48 | 7.1 | |
| Zuni | |||||
| Black Rock Res, Abv | January-May | 0.19 | 0.35 | 74 | 1.3 |
| February-May | 0.11 | 0.27 | 71 | 1.3 | |
| Chevelon Ck | |||||
| Winslow, Nr, Wildcat Cyn, Blo | January-May | 4.6 | 9 | 65 | 18.5 |
| February-May | 1.9 | 6.3 | 45 | 15.8 |