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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: May 02 2025 at 8:11 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.
4x5-Day Probability Plot
Tabular 4 x 5-Day Streamflow Volume Data
Observed
Peak 1-Day Streamflow Volume:
(April 1 at 12 UTC to Current Date at 12 UTC)
  Observed
04/02/2025
14.0kaf
  

Forecast
Peak 1-Day Streamflow Volume:
(Current Date at 12 UTC to August 1 at 12 UTC)
10% (Max)
05/28/2025
3.5kaf
25%
05/18/2025
2.0kaf
50% (Prob)
05/03/2025
1.6kaf
75%
05/03/2025
1.6kaf
90% (Min)
05/03/2025
1.6kaf
Tabular 5-Day Volume Accumulations (1000s of Acre-Feet)
Probability05/02 to 05/0705/07 to 05/1205/12 to 05/1705/17 to 05/22
10%7.8 kaf7.3 kaf7.9 kaf9.5 kaf
25%7.8 kaf7.3 kaf6.9 kaf6.9 kaf
50%
(Median)
7.8 kaf7.3 kaf6.8 kaf6.4 kaf
75%7.8 kaf7.3 kaf6.8 kaf6.3 kaf
90%7.8 kaf7.3 kaf6.8 kaf6.3 kaf

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ108)
Today: Mostly cloudy. Slight chance of rain showers. Snow level 6000 feet. Highs 45 to 60.

Tonight: Partly cloudy. Patchy frost overnight. Lows 30 to 40.

Sunday: Sunny. Patchy frost in the morning. Highs 61 to 76.

Sunday Night: Clear, breezy. Lows 36 to 46. North wind 20 to 25 mph.

Monday: Sunny, breezy. Highs 68 to 83. Northeast wind 20 to 25 mph.

Monday Night through Wednesday: Clear. Lows 44 to 54. Highs 72 to 87.

Wednesday Night: Mostly clear. Lows 43 to 53.

Thursday and Thursday Night: Partly cloudy. Highs 69 to 84. Lows 44 to 54.

Friday: Sunny. Highs 72 to 87.