| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Mammoth Ck | |||||
| West Hatch Ditch, Abv | April-July | 3.1 | 45 | 173 | 106 |
| Sevier | |||||
| Hatch | April-July | 72 | 105 | 191 | 143 |
| Kingston, Nr * | April-July | 51 | 75 | 227 | 101 |
| Ef Sevier | |||||
| Kingston, Nr * | April-July | 36 | 50 | 143 | 69 |
| Sevier | |||||
| Piute Dam, Blo, Marysvale, Nr * | April-July | 93 | 125 | 189 | 177 |
| Clear Ck | |||||
| Sevier, Nr, Diversions, Abv | April-July | 21 | 33 | 150 | 49 |
| Salina Ck | |||||
| Emery, Nr | April-July | 7.3 | 17 | 189 | 29 |
| Salina | April-July | 14 | 39 | 198 | 76 |
| Manti Ck | |||||
| Manti, Nr, Dugway Ck, Blo | April-July | 16 | 25 | 137 | 39 |
| Sevier | |||||
| Gunnison, Nr, San Pitch, Blo * | April-July | 108 | 210 | 198 | 335 |
| Chicken Ck | |||||
| Levan, Nr | April-July | 4.4 | 9 | 200 | 16.1 |
| Oak Ck | |||||
| Oak City, Nr, Little Ck, Abv | April-July | 1.6 | 2.6 | 157 | 3.8 |
| Beaver | |||||
| Beaver, Nr | April-July | 30 | 45 | 167 | 66 |
| Minersville Res, Minersville, Nr | April-July | 21 | 31 | 187 | 41 |
| Coal Ck | |||||
| Cedar City, Nr | April-July | 26 | 36 | 187 | 46 |