| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Sevier | |||||
| Hatch * | April-July | 11.5 | 12.9 | 27 | 15.6 |
| May-July | 7.9 | 9.3 | 22 | 12 | |
| Kingston, Nr * | April-July | 1.1 | 1.2 | 3.5 | 2.4 |
| May-July | 0.08 | 0.13 | 0.5 | 1.4 | |
| Ef Sevier | |||||
| Kingston, Nr * | April-July | 14.4 | 26 | 74 | 33 |
| May-July | 10.4 | 22 | 73 | 29 | |
| Sevier | |||||
| Piute Res, Marysville,nr * | April-July | 14.1 | 25 | 38 | 31 |
| May-July | 9 | 19.7 | 36 | 26 | |
| Clear Ck | |||||
| Sevier, Nr, Diversions, Abv | April-July | 6.6 | 7.6 | 36 | 9.5 |
| May-July | 5 | 6 | 35 | 7.9 | |
| Salina Ck | |||||
| Emery, Nr | April-July | 1.8 | 1.9 | 24 | 2.3 |
| May-July | 1.2 | 1.3 | 19.1 | 1.8 | |
| Manti Ck | |||||
| Manti, Nr, Dugway Ck, Blo | April-July | 4.9 | 6.8 | 41 | 11.4 |
| May-July | 4.2 | 6.1 | 39 | 10.7 | |
| Sevier | |||||
| Gunnison, Nr * | April-July | 13.8 | 18.9 | 19.1 | 25 |
| May-July | 6.3 | 11.4 | 14.1 | 17.6 | |
| Beaver | |||||
| Beaver, Nr | April-July | 7.6 | 8.6 | 33 | 11.1 |
| May-July | 5.7 | 6.7 | 29 | 9.2 | |
| Coal Ck | |||||
| Cedar City, Nr | April-July | 4.9 | 5.3 | 27 | 6.1 |
| May-July | 3 | 3.4 | 22 | 4.2 |