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SACRAMENTO RIVER - SHASTA LAKE (SHDC1)
Latitude:
40.72º N
Longitude:
122.42º W
Elevation:
1070 Feet
Location: Shasta County in CA
River Group: Upper Sacramento
Issuance Time: Feb 05 2026 at 7:54 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.
4x5-Day Probability Plot
Tabular 4 x 5-Day Streamflow Volume Data
Observed
Peak 1-Day Streamflow Volume:
(April 1 at 12 UTC to August 1 at 12 UTC)
  Observed
Available
Apr 2 to Aug 1
  

Forecast
Peak 1-Day Streamflow Volume:
(April 1 at 12 UTC to August 1 at 12 UTC)
10% (Max)
05/19/2026
86.5kaf
25%
04/22/2026
62.4kaf
50% (Prob)
04/09/2026
33.5kaf
75%
04/02/2026
19.1kaf
90% (Min)
04/01/2026
15.2kaf
Tabular 5-Day Volume Accumulations (1000s of Acre-Feet)
Probability02/05 to 02/1002/10 to 02/1502/15 to 02/2002/20 to 02/25
10%69.1 kaf110.2 kaf219.7 kaf260.6 kaf
25%65.3 kaf85.4 kaf154.5 kaf194.3 kaf
50%
(Median)
63.4 kaf67.7 kaf108.6 kaf86.8 kaf
75%63.0 kaf63.4 kaf63.2 kaf59.8 kaf
90%62.5 kaf61.6 kaf59.5 kaf57.8 kaf

Location Photographs

ESRI™ Locator Map