| Forecast Period | 90% Exceedance Volume | 50% Exceedance Volume | Percent Average | 10% Exceedance Volume | |
| Mammoth Ck | |||||
| West Hatch Ditch, Abv | April-July | 18 | 49 | 188 | 80 |
| Sevier | |||||
| Hatch | April-July | 100 | 110 | 200 | 130 |
| Kingston, Nr * | April-July | 74 | 90 | 273 | 109 |
| Ef Sevier | |||||
| Kingston, Nr * | April-July | 37 | 50 | 143 | 57 |
| Sevier | |||||
| Piute Dam, Blo, Marysvale, Nr * | April-July | 116 | 140 | 212 | 166 |
| Clear Ck | |||||
| Sevier, Nr, Diversions, Abv | April-July | 23 | 32 | 145 | 41 |
| Salina Ck | |||||
| Emery, Nr | April-July | 9.8 | 17.5 | 194 | 30 |
| Salina | April-July | 20 | 41 | 208 | 70 |
| Manti Ck | |||||
| Manti, Nr, Dugway Ck, Blo | April-July | 16 | 23 | 126 | 32 |
| Sevier | |||||
| Gunnison, Nr, San Pitch, Blo * | April-July | 125 | 200 | 189 | 260 |
| Chicken Ck | |||||
| Levan, Nr | April-July | 6.2 | 9.5 | 211 | 13.8 |
| Oak Ck | |||||
| Oak City, Nr, Little Ck, Abv | April-July | 2.5 | 3.3 | 199 | 4.3 |
| Beaver | |||||
| Beaver, Nr | April-July | 36 | 45 | 167 | 62 |
| Minersville Res, Minersville, Nr | April-July | 17 | 32 | 193 | 54 |
| Coal Ck | |||||
| Cedar City, Nr | April-July | 34 | 38 | 197 | 46 |