| Forecast Period | 90% Exceedance Volume | 70% Exceedance Volume | 50% Exceedance Volume | Percent Average | 30% Exceedance Volume | 10% Exceedance Volume | |
| Weber | |||||||
| Oakley, Nr | April-July | 137 | 152 | 164 | 139 | 181 | 205 |
| Rockport Res, Wanship, Nr | April-July | 164 | 179 | 197 | 149 | 220 | 255 |
| Coalville, Nr | April-July | 170 | 186 | 210 | 157 | 235 | 265 |
| Chalk Ck | |||||||
| Coalville | April-July | 56 | 64 | 74 | 180 | 81 | 107 |
| Weber | |||||||
| Echo Res, Echo, At | April-July | 230 | 250 | 280 | 164 | 320 | 385 |
| Lost Ck | |||||||
| Lost Ck Res, Croydon, Nr | April-July | 24 | 31 | 34 | 254 | 38 | 42 |
| East Canyon Ck | |||||||
| East Canyon Res, Morgan, Nr | April-July | 25 | 33 | 42 | 156 | 52 | 60 |
| Weber | |||||||
| Gateway | April-July | 450 | 550 | 625 | 192 | 730 | 800 |
| Sf Ogden | |||||||
| Huntsville, Nr | April-July | 87 | 105 | 120 | 214 | 131 | 148 |
| Ogden | |||||||
| Pineview Res, Ogden, Nr | April-July | 196 | 230 | 265 | 235 | 295 | 330 |