| Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
| Sevier | |||||||
| Hatch * | April-July | 61 | 67 | 73 | 152 | 76 | 83 |
| May-July | 52 | 58 | 64 | 152 | 67 | 74 | |
| Kingston, Nr * | April-July | 63 | 72 | 78 | 236 | 85 | 96 |
| May-July | 48 | 57 | 63 | 242 | 70 | 81 | |
| Ef Sevier | |||||||
| Kingston, Nr * | April-July | 39 | 49 | 52 | 149 | 56 | 60 |
| May-July | 36 | 46 | 49 | 163 | 53 | 57 | |
| Sevier | |||||||
| Piute Reservoir, Marysville, Nr * | April-July | 98 | 113 | 123 | 189 | 136 | 154 |
| May-July | 85 | 100 | 110 | 204 | 123 | 141 | |
| Clear Ck | |||||||
| Sevier, Nr, Diversions, Abv | April-July | 38 | 46 | 52 | 248 | 54 | 57 |
| May-July | 27 | 35 | 41 | 241 | 43 | 46 | |
| Salina Ck | |||||||
| Emery, Nr | April-July | 9 | 10.6 | 11.2 | 142 | 11.8 | 13.6 |
| May-July | 8.2 | 9.8 | 10.4 | 149 | 11 | 12.8 | |
| Manti Ck | |||||||
| Manti, Nr, Dugway Ck, Blo | April-July | 14.9 | 17.7 | 19 | 114 | 19.7 | 22 |
| May-July | 13.6 | 16.4 | 17.7 | 114 | 18.4 | 21 | |
| Sevier | |||||||
| Gunnison, Nr * | April-July | 104 | 128 | 144 | 145 | 158 | 187 |
| May-July | 90 | 114 | 130 | 160 | 144 | 173 | |
| Beaver | |||||||
| Beaver, Nr | April-July | 35 | 39 | 42 | 162 | 45 | 49 |
| May-July | 30 | 34 | 37 | 161 | 40 | 44 | |
| Coal Ck | |||||||
| Cedar City, Nr | April-July | 22 | 25 | 27 | 139 | 28 | 30 |
| May-July | 17.1 | 20 | 22 | 139 | 23 | 25 |