| ||||||||||||||||||
| TUOLUMNE RIVER - NEW DON PEDRO RESERVOIR (NDPC1) | ||||||||||||||||||
| Latitude: 37.70º N | Longitude: 120.42º W | Elevation: 272 Feet | ||||||||||||||||
| Location: Tuolumne County in CA | ||||||||||||||||||
| River Group: San Joaquin | ||||||||||||||||||
| Issuance Time: | May 07 2025 at 8:09 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 07 2025 at 8:14 AM PDT | ||||||
| Prob | May* | Jun | Jul | Aug | Sep | Oct |
| 10% | 425.9 | 278.3 | 70.0 | 21.5 | 15.6 | 62.3 |
| 25% | 416.5 | 218.8 | 53.4 | 17.5 | 10.1 | 19.8 |
| 50% | 404.3 | 191.1 | 45.1 | 15.9 | 8.4 | 8.4 |
| 75% | 380.5 | 164.4 | 41.7 | 15.0 | 7.8 | 6.5 |
| 90% | 355.1 | 152.2 | 37.0 | 14.2 | 7.5 | 5.7 |
| Mean | 435.8 | 333.0 | 131.0 | 29.9 | 14.5 | 26.2 |
| %Mean | 92.8 | 57.4 | 34.4 | 53.2 | 57.9 | 32.1 |
| Prob | Nov | Dec | Jan | Feb | Mar | Apr |
| 10% | 120.8 | 249.7 | 407.7 | 361.9 | 499.5 | 452.9 |
| 25% | 45.3 | 92.1 | 188.7 | 183.1 | 298.1 | 364.7 |
| 50% | 26.9 | 44.5 | 82.6 | 98.7 | 190.6 | 279.3 |
| 75% | 8.7 | 16.0 | 35.1 | 63.8 | 124.4 | 209.8 |
| 90% | 6.1 | 8.2 | 20.8 | 34.3 | 102.3 | 173.3 |
| Mean | 47.1 | 97.2 | 151.7 | 164.8 | 237.1 | 300.9 |
| %Mean | 57.1 | 45.8 | 54.4 | 59.9 | 80.4 | 92.8 |
| 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 (CAZ019) |
| Today: Mostly sunny. Highs 82 to 90. Northwest winds up to 10 mph. Tonight: Clear. Lows 54 to 62. Northwest winds up to 10 mph. Friday: Sunny. Highs 87 to 95. Northwest winds up to 10 mph. Friday Night: Clear. Lows 56 to 64. Northwest winds up to 10 mph. Saturday: Sunny. Highs 87 to 95. Northwest winds up to 10 mph. Gusts up to 20 mph in the afternoon. Saturday Night: Clear. Lows 55 to 61. Sunday: Mostly sunny. Highs 74 to 84. Sunday Night: Clear, cooler. Lows 46 to 52. Monday and Monday Night: Mostly clear. A slight chance of rain showers. Cooler. Highs 63 to 72. Lows 45 to 52. Tuesday and Tuesday Night: Mostly clear. Highs 67 to 75. Lows 45 to 52. Wednesday: Mostly sunny. Highs 72 to 81. |