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| CALAVERAS RIVER - NEW HOGAN RESERVOIR (NHGC1) | ||||||||||||||||||
| Latitude: 38.16º N | Longitude: 120.81º W | Elevation: 554 Feet | ||||||||||||||||
| Location: Calaveras County in CA | ||||||||||||||||||
| River Group: San Joaquin | ||||||||||||||||||
| Issuance Time: | May 01 2025 at 8:43 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: May 01 2025 at 8:45 AM PDT | ||||||
| Prob | May* | Jun | Jul | Aug | Sep | Oct |
| 10% | 4.1 | 1.9 | 0.1 | 0.0 | 0.4 | 2.0 |
| 25% | 3.7 | 1.1 | 0.0 | 0.0 | 0.1 | 1.1 |
| 50% | 3.2 | 0.8 | 0.0 | 0.0 | 0.0 | 0.3 |
| 75% | 3.0 | 0.6 | 0.0 | 0.0 | 0.0 | 0.1 |
| 90% | 3.0 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 |
| Mean | 6.6 | 2.4 | 1.1 | 0.7 | 0.7 | 0.9 |
| %Mean | 48.5 | 33.3 | 0.0 | 0.0 | 0.0 | 33.3 |
| Prob | Nov | Dec | Jan | Feb | Mar | Apr |
| 10% | 7.1 | 59.5 | 111.5 | 112.2 | 125.0 | 42.6 |
| 25% | 2.8 | 22.5 | 52.0 | 60.9 | 56.7 | 23.8 |
| 50% | 1.6 | 6.9 | 16.5 | 20.8 | 26.6 | 10.0 |
| 75% | 0.6 | 1.5 | 4.5 | 7.6 | 12.5 | 4.1 |
| 90% | 0.2 | 0.7 | 1.7 | 2.2 | 3.6 | 2.7 |
| Mean | 4.3 | 17.2 | 37.7 | 39.8 | 41.4 | 18.5 |
| %Mean | 37.2 | 40.1 | 43.8 | 52.3 | 64.3 | 54.1 |
| 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) |
| Tonight: Clear. Lows 50 to 58. Light winds. Friday: Sunny. Highs 70 to 78. Light winds becoming southwest up to 10 mph in the afternoon. Friday Night: Mostly clear. Lows 47 to 53. Prevailing southwest winds up to 10 mph in the evening becoming light. Saturday: Mostly cloudy. A slight chance of rain showers in the afternoon. Highs 59 to 69. Prevailing south winds up to 10 mph. Saturday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a slight chance of rain showers after midnight. Lows 43 to 49. Prevailing west winds up to 10 mph in the evening becoming light. Sunday: Partly cloudy with a slight chance of rain showers. Warmer. Highs 62 to 76. Sunday Night: Mostly clear. Lows 48 to 54. Monday through Wednesday Night: Clear. Highs 68 to 82. Lows 48 to 57. Thursday: Mostly sunny. Highs 73 to 83. |