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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 16 2025 at 6:20 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. |
| Monthly Probability Plot |
| Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: Jun 16 2025 at 6:25 AM PDT | ||||||
| Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
| 10% | 2.9 | 2.9 | 2.3 | 2.0 | 4.0 | 7.2 |
| 25% | 2.9 | 2.9 | 2.3 | 1.9 | 2.1 | 4.0 |
| 50% | 2.9 | 2.8 | 2.2 | 1.8 | 1.8 | 2.2 |
| 75% | 2.9 | 2.8 | 2.2 | 1.8 | 1.7 | 1.7 |
| 90% | 2.9 | 2.8 | 2.2 | 1.8 | 1.7 | 1.6 |
| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 36.3 | 49.4 | 57.4 | 57.1 | 45.2 | 44.5 |
| 25% | 8.3 | 21.8 | 26.2 | 39.3 | 32.8 | 30.0 |
| 50% | 5.1 | 7.2 | 8.2 | 18.9 | 17.5 | 13.2 |
| 75% | 2.6 | 3.4 | 4.4 | 9.1 | 10.9 | 7.3 |
| 90% | 1.6 | 2.5 | 3.3 | 5.8 | 7.8 | 4.6 |
| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Note 1: %Mean is the "Median forecast monthly value (50%)" divided by the "monthly mean" (displayed as a %) | ||||||
| Note 2: For current month, graphic represents remaining forecast only, text represents observed + remaining forecast. | ||||||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ067) |
| Today: Sunny. Highs 79 to 89. Light winds becoming southwest up to 10 mph in the afternoon. Tonight: Clear. Lows 52 to 62. Prevailing southwest winds up to 10 mph in the evening becoming light. Tuesday: Sunny. Highs 82 to 92. Light winds becoming west up to 10 mph in the afternoon. Tuesday Night: Clear. Lows 57 to 65. Prevailing west winds up to 10 mph in the evening becoming light. Wednesday: Sunny. Highs 87 to 97. Light winds becoming west up to 10 mph in the afternoon. Wednesday Night: Clear. Lows 59 to 68. juneteenth: Sunny. Highs 83 to 93. Thursday Night and Friday: Clear. Lows 52 to 60. Highs 77 to 92. Friday Night through Sunday: Clear. Lows 48 to 55. Highs 71 to 86. |