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| RUBICON RIVER - HELL HOLE RESERVOIR (HLLC1) | ||||||||||||||||||
| Latitude: 39.07º N | Longitude: 120.41º W | Elevation: 4850 Feet | ||||||||||||||||
| Location: Placer County in CA | ||||||||||||||||||
| River Group: Lower Sacramento | ||||||||||||||||||
| Issuance Time: | Feb 17 2026 at 8:18 AM PST |
| 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 August 1 at 12 UTC) | Observed Available Apr 2 to Aug 1 | ||||
| Forecast Peak 1-Day Streamflow Volume: (April 1 at 12 UTC to August 1 at 12 UTC) | 10% (Max) 05/31/2026 12.4kaf | 25% 05/19/2026 7.8kaf | 50% (Prob) 05/06/2026 4.5kaf | 75% 04/24/2026 3.5kaf | 90% (Min) 04/14/2026 2.8kaf |
| Tabular 5-Day Volume Accumulations (1000s of Acre-Feet) | ||||
| Probability | 02/17 to 02/22 | 02/22 to 02/27 | 02/27 to 03/04 | 03/04 to 03/09 |
| 10% | 1.7 kaf | 8.0 kaf | 6.3 kaf | 10.1 kaf |
| 25% | 1.7 kaf | 7.1 kaf | 4.0 kaf | 4.3 kaf |
| 50% (Median) | 1.7 kaf | 5.0 kaf | 2.6 kaf | 2.3 kaf |
| 75% | 1.7 kaf | 3.2 kaf | 1.8 kaf | 1.8 kaf |
| 90% | 1.7 kaf | 1.9 kaf | 1.4 kaf | 1.3 kaf |
| Location Photographs | ||
| ESRI™ Locator Map |