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CLEAR CREEK - WHISKEYTOWN RESERVOIR (WHSC1) | ||||||||||||||||||
Latitude: 40.60º N | Longitude: 122.54º W | Elevation: 1310 Feet | ||||||||||||||||
Location: Shasta County in CA | ||||||||||||||||||
River Group: Upper Sacramento |
Issuance Time: | Jun 30 2025 at 9:02 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 30 2025 at 9:10 AM PDT | ||||||
Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
10% | 12.3 | 5.7 | 3.8 | 3.0 | 9.5 | 27.9 |
25% | 12.3 | 5.6 | 3.6 | 2.6 | 3.9 | 17.0 |
50% | 12.3 | 5.6 | 3.5 | 2.2 | 2.4 | 5.2 |
75% | 12.3 | 5.6 | 3.5 | 2.1 | 1.7 | 2.0 |
90% | 12.3 | 5.6 | 3.5 | 2.1 | 1.5 | 1.4 |
Mean | 9.4 | 4.1 | 2.8 | 2.7 | 4.1 | 10.5 |
%Mean | 130.9 | 136.6 | 125.0 | 81.5 | 58.5 | 49.5 |
Prob | Dec | Jan | Feb | Mar | Apr | May |
10% | 79.6 | 94.5 | 129.1 | 107.8 | 74.2 | 44.0 |
25% | 46.4 | 60.2 | 68.2 | 82.5 | 51.2 | 29.5 |
50% | 17.4 | 29.8 | 33.9 | 46.8 | 22.2 | 13.4 |
75% | 8.8 | 12.6 | 12.4 | 16.3 | 12.3 | 6.1 |
90% | 2.0 | 6.5 | 7.2 | 8.9 | 6.2 | 4.4 |
Mean | 29.9 | 46.5 | 55.7 | 59.0 | 35.8 | 21.1 |
%Mean | 58.2 | 64.1 | 60.9 | 79.3 | 62.0 | 63.5 |
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 (CAZ013) |
Today: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs 84 to 99 higher elevations and 93 to 101 lower elevations. Light winds becoming south up to 10 mph in the afternoon. Tonight: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows 57 to 72 higher elevations and 65 to 75 lower elevations. Prevailing west winds up to 10 mph in the evening becoming light. Tuesday: Mostly sunny in the morning, then partly cloudy with a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 83 to 98 higher elevations and 93 to 101 lower elevations. Light winds becoming south up to 10 mph in the afternoon. Tuesday Night: Partly cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening. Lows 56 to 71 higher elevations and 64 to 74 lower elevations. Prevailing west winds up to 10 mph shifting to the north after midnight. Wednesday: Sunny. A slight chance of rain showers in the afternoon. Highs 82 to 97 higher elevations and 94 to 102 lower elevations. Light winds becoming southwest up to 10 mph in the afternoon. Wednesday Night: Partly cloudy with a slight chance of rain showers. Cooler. Lows 54 to 69. Thursday: Mostly sunny. Highs 80 to 95. Thursday Night: Mostly clear. Cooler. Lows 51 to 66. Independence Day through Sunday: Clear. Highs 79 to 94. Lows 52 to 67. |