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| LITTLE STONY CREEK - EAST PARK RESERVOIR (EPRC1) | ||||||||||||||||||
| Latitude: 39.36º N | Longitude: 122.52º W | Elevation: 1200 Feet | ||||||||||||||||
| Location: Colusa County in CA | ||||||||||||||||||
| River Group: Upper Sacramento | ||||||||||||||||||
| Issuance Time: | Jan 11 2026 at 7:33 AM PST |
| 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: Jan 11 2026 at 8:02 AM PST | ||||||
| Prob | Jan* | Feb | Mar | Apr | May | Jun |
| 10% | 30.6 | 53.4 | 35.9 | 7.7 | 1.8 | 1.3 |
| 25% | 17.3 | 27.4 | 20.7 | 3.5 | 1.4 | 1.1 |
| 50% | 13.5 | 11.5 | 6.7 | 1.7 | 1.3 | 1.1 |
| 75% | 13.2 | 4.2 | 2.9 | 1.3 | 1.1 | 0.9 |
| 90% | 13.2 | 1.2 | 1.2 | 1.0 | 0.9 | 0.8 |
| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Jul | Aug | Sep | Oct | Nov | Dec |
| 10% | 1.0 | 0.9 | 0.7 | 0.8 | 8.3 | 29.5 |
| 25% | 1.0 | 0.8 | 0.7 | 0.7 | 1.1 | 19.4 |
| 50% | 0.9 | 0.8 | 0.7 | 0.7 | 0.6 | 5.9 |
| 75% | 0.8 | 0.7 | 0.6 | 0.6 | 0.6 | 0.6 |
| 90% | 0.7 | 0.6 | 0.6 | 0.5 | 0.5 | 0.5 |
| 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 (CAZ063) |
| Today: Mostly cloudy in the morning then becoming partly cloudy. Not as cool. Highs 49 to 63. Prevailing northwest winds up to 10 mph. Tonight: Mostly clear. Lows 39 to 49. Prevailing northwest winds up to 10 mph. Monday: Sunny. Highs 52 to 66. Prevailing northwest winds up to 10 mph. Monday Night: Clear. Lows 40 to 50. Prevailing northwest winds up to 10 mph. Tuesday: Sunny. Highs 55 to 69. Prevailing northwest winds up to 10 mph. Tuesday Night: Clear. Lows 42 to 52. Wednesday: Sunny, warmer. Highs 58 to 73. Wednesday Night through Saturday: Clear. Lows 41 to 53. Highs 55 to 70. |