| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Median | 10% Exceedance Volume | |
| Little Colorado | |||||
| Lyman Lk, Abv, St. Johns, Nr | January-June | 1.1 | 1.7 | 24 | 5.2 |
| March-June | 0.6 | 1.2 | 21 | 4.7 | |
| Zuni | |||||
| Black Rock Res, Abv | January-May | 0.16 | 0.25 | 53 | 0.86 |
| March-May | 0.05 | 0.14 | 61 | 0.75 | |
| Chevelon Ck | |||||
| Winslow, Nr, Wildcat Cyn, Blo | January-May | 4.8 | 7.4 | 53 | 12.8 |
| March-May | 0.2 | 2.8 | 20 | 8.2 |