| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Mammoth Ck | |||||
| West Hatch Ditch, Abv | April-July | 6 | 34 | 131 | 50 |
| Sevier | |||||
| Hatch | April-July | 51 | 70 | 127 | 89 |
| Kingston, Nr * | April-July | 34 | 50 | 152 | 66 |
| Ef Sevier | |||||
| Kingston, Nr * | April-July | 37 | 45 | 129 | 50 |
| Sevier | |||||
| Piute Dam, Blo, Marysvale, Nr * | April-July | 73 | 95 | 144 | 116 |
| Clear Ck | |||||
| Sevier, Nr, Diversions, Abv | April-July | 16 | 23 | 105 | 31 |
| Salina Ck | |||||
| Emery, Nr | April-July | 4.6 | 7.4 | 82 | 14 |
| Salina | April-July | 6 | 16 | 81 | 38 |
| Manti Ck | |||||
| Manti, Nr, Dugway Ck, Blo | April-July | 6 | 10 | 55 | 15 |
| Sevier | |||||
| Gunnison, Nr, San Pitch, Blo * | April-July | 52 | 85 | 80 | 118 |
| Chicken Ck | |||||
| Levan, Nr | April-July | 2.3 | 3.6 | 80 | 4.9 |
| Oak Ck | |||||
| Oak City, Nr, Little Ck, Abv | April-July | 0.87 | 1.4 | 84 | 2 |
| Beaver | |||||
| Beaver, Nr | April-July | 26 | 33 | 122 | 55 |
| Minersville Res, Minersville, Nr | April-July | 10.4 | 20 | 120 | 30 |
| Coal Ck | |||||
| Cedar City, Nr | April-July | 18 | 24 | 124 | 30 |