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SOUTH FORK TRINITY RIVER - HYAMPOM (HYMC1)
Latitude:
40.65º N
Longitude:
123.49º W
Elevation:
1211 Feet
Location: Trinity County in CA
River Group: North Coast
Issuance Time: Jun 16 2025 at 6:37 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 16 2025 at 6:44 AM PDT
ProbJun*JulAugSepOctNov
10%21.911.76.15.520.180.8
25%21.811.25.74.68.236.9
50%21.811.05.54.04.713.0
75%21.810.95.53.83.86.4
90%21.810.95.43.83.23.8
Mean26.110.24.93.87.531.9
%Mean83.5107.8112.2105.362.740.8
ProbDecJanFebMarAprMay
10%306.5375.2383.9341.0204.2111.6
25%152.7241.5229.4231.3177.282.0
50%60.9126.9132.9149.683.440.9
75%35.755.777.8100.155.527.9
90%11.932.138.048.737.118.9
Mean114.6170.8176.8185.0112.360.8
%Mean53.174.375.280.974.367.3
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   (CAZ108)
Today: Sunny. Highs 69 to 84.

Tonight: Partly cloudy. Lows 36 to 46.

Friday: Sunny. Highs 54 to 69.

Friday Night: Partly cloudy. Lows 33 to 43. Northwest wind around 20 mph with gusts at higher elevations to around 35 mph.

Saturday: Sunny. Highs 59 to 74.

Saturday Night through Sunday Night: Mostly clear. Lows 40 to 50. Highs 69 to 84.

Monday through Tuesday Night: Mostly clear. Highs 79 to 94. Lows 47 to 57.

Wednesday: Sunny. Highs 84 to 99.