| ||||||||||||||||||
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: | Jun 23 2025 at 7:50 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 22 2025 at 8:55 AM PDT | ||||||
Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
10% | 154.2 | 39.0 | 16.2 | 12.9 | 60.3 | 120.3 |
25% | 153.5 | 36.9 | 14.2 | 8.8 | 18.9 | 45.1 |
50% | 153.3 | 36.1 | 13.8 | 7.1 | 7.5 | 26.6 |
75% | 153.2 | 34.6 | 13.7 | 6.9 | 5.9 | 8.2 |
90% | 153.2 | 34.1 | 13.7 | 6.9 | 4.9 | 5.5 |
Mean | 333.0 | 131.0 | 29.9 | 14.5 | 26.2 | 47.1 |
%Mean | 46.0 | 27.6 | 46.2 | 49.0 | 28.6 | 56.5 |
Prob | Dec | Jan | Feb | Mar | Apr | May |
10% | 248.9 | 406.9 | 361.5 | 497.4 | 453.1 | 781.6 |
25% | 92.1 | 187.9 | 182.5 | 297.2 | 363.5 | 583.2 |
50% | 44.2 | 82.6 | 98.4 | 190.7 | 276.3 | 424.1 |
75% | 15.7 | 34.6 | 63.7 | 124.7 | 209.6 | 268.6 |
90% | 8.0 | 20.4 | 34.4 | 102.8 | 173.7 | 213.4 |
Mean | 97.2 | 151.7 | 164.8 | 237.1 | 300.9 | 435.8 |
%Mean | 45.5 | 54.4 | 59.7 | 80.4 | 91.8 | 97.3 |
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: Sunny. Highs 85 to 93. West winds up to 10 mph with gusts to around 20 mph. Tonight: Clear. Lows 55 to 63. Northwest winds up to 10 mph with gusts to around 20 mph. Tuesday: Sunny. Highs 85 to 93. West winds up to 10 mph. Tuesday Night: Clear. Lows 53 to 61. Northwest winds up to 15 mph. Wednesday: Sunny. Highs 88 to 96. Northwest winds up to 10 mph. Wednesday Night: Clear. Lows 56 to 64. Thursday: Sunny. Highs 90 to 96. Thursday Night through Sunday: Clear. Lows 58 to 68. Highs 90 to 100. |