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| MIDDLE FORK COSUMNES RIVER - SOMERSET (SOSC1) | ||||||||||||||||||
| Latitude: 38.62º N | Longitude: 120.70º W | Elevation: 1821 Feet | ||||||||||||||||
| Location: El Dorado County in CA | ||||||||||||||||||
| River Group: San Joaquin | ||||||||||||||||||
| Issuance Time: | Jun 12 2026 at 7:57 AM PDT |
| Please Note: | Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty. Flow data on this product are unregulated / full natural flow. |
| 4x5-Day Probability Plot |
| Tabular 4 x 5-Day Streamflow Volume Data | |||||
| Observed Peak 1-Day Streamflow Volume: (April 1 at 12 UTC to Current Date at 12 UTC) | Observed 04/13/2026 0.9kaf | ||||
| Forecast Peak 1-Day Streamflow Volume: (Current Date at 12 UTC to August 1 at 12 UTC) | 10% (Max) 06/27/2026 0.1kaf | 25% 06/13/2026 0.1kaf | 50% (Prob) 06/13/2026 0.1kaf | 75% 06/13/2026 0.1kaf | 90% (Min) 06/13/2026 0.1kaf |
| Tabular 5-Day Volume Accumulations (1000s of Acre-Feet) | ||||
| Probability | 06/12 to 06/17 | 06/17 to 06/22 | 06/22 to 06/27 | 06/27 to 07/02 |
| 10% | 0.4 kaf | 0.3 kaf | 0.3 kaf | 0.3 kaf |
| 25% | 0.4 kaf | 0.3 kaf | 0.3 kaf | 0.3 kaf |
| 50% (Median) | 0.4 kaf | 0.3 kaf | 0.3 kaf | 0.3 kaf |
| 75% | 0.4 kaf | 0.3 kaf | 0.3 kaf | 0.3 kaf |
| 90% | 0.4 kaf | 0.3 kaf | 0.3 kaf | 0.3 kaf |
| Location Photographs | ||
| ESRI™ Locator Map |