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SILVER CREEK - UNION VALLEY RESERVOIR (UNVC1) | ||||||||||||||||||
Latitude: 38.86º N | Longitude: 120.44º W | Elevation: 4870 Feet | ||||||||||||||||
Location: El Dorado County in CA | ||||||||||||||||||
River Group: Lower Sacramento |
Issuance Time: | Jul 05 2025 at 7:59 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: Jul 05 2025 at 8:05 AM PDT | ||||||
Prob | Jul* | Aug | Sep | Oct | Nov | Dec |
10% | 1.5 | 0.9 | 1.3 | 11.0 | 19.4 | 43.4 |
25% | 1.5 | 0.8 | 0.8 | 2.0 | 7.3 | 15.1 |
50% | 1.4 | 0.7 | 0.5 | 1.2 | 2.6 | 5.2 |
75% | 1.4 | 0.7 | 0.4 | 0.8 | 1.1 | 1.9 |
90% | 1.4 | 0.7 | 0.4 | 0.6 | 0.9 | 0.8 |
Mean | 5.0 | 0.9 | 0.6 | 2.3 | 6.9 | 11.9 |
%Mean | 28.0 | 77.8 | 83.3 | 52.2 | 37.7 | 43.7 |
Prob | Jan | Feb | Mar | Apr | May | Jun |
10% | 28.4 | 38.3 | 39.5 | 47.4 | 76.0 | 59.0 |
25% | 17.8 | 19.5 | 27.3 | 38.0 | 57.7 | 31.1 |
50% | 7.9 | 9.6 | 20.5 | 29.2 | 36.3 | 10.2 |
75% | 3.3 | 5.9 | 16.4 | 23.1 | 19.2 | 4.2 |
90% | 1.6 | 3.6 | 9.7 | 20.7 | 10.7 | 2.6 |
Mean | 14.8 | 17.0 | 24.2 | 32.4 | 37.7 | 20.8 |
%Mean | 53.4 | 56.5 | 84.7 | 90.1 | 96.3 | 49.0 |
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 (CAZ069) |
Today: Sunny, warmer. Highs 69 to 84 higher elevations and 79 to 89 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon. Tonight: Clear. Lows 46 to 61 higher elevations and 56 to 68 lower elevations. Prevailing west winds up to 10 mph in the evening becoming light. Monday: Sunny. Highs 69 to 84 higher elevations and 80 to 90 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon. Monday Night: Clear. Lows 45 to 60 higher elevations and 55 to 67 lower elevations. Prevailing southwest winds up to 10 mph in the evening becoming light. Tuesday: Sunny. Highs 66 to 81 higher elevations and 77 to 87 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon. Tuesday Night: Clear. Lows 47 to 62. Wednesday: Sunny. Highs 70 to 85. Wednesday Night through Saturday: Clear. Lows 52 to 67. Highs 74 to 89. |