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TRINITY RIVER - TRINITY LAKE (CEGC1)
Latitude:
40.80º N		Longitude:
122.76º W		Elevation:
2370 Feet
Location: Trinity County in CA
River Group: North Coast
Issuance Time: Jun 16 2025 at 6:47 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.
2025 Water Year Trend Plot
Tabular View  |  Select a Different Water Year:  
Note: The chart below functions better in landscape orientation.
Created with Highcharts 9.2.1Daily Observed Volumes​(1000s Ac-Ft)Water Year 2025 - Day (mm/dd)Water Year Volumes (1000s Ac-​Ft)Chart context menuTRINITY R - TRINITY LAKE (CEGC1) 06/16/2025​Median Forecast: 1640 kaf | 141% of Mean | 146% of MedianCreated: 06/16/2025 at 06:47 AM PDTMean: 1160 kaf​Mean: 1160 kafMean: 1160 kaf​Mean: 1160 kafMedian: 1120 kaf​Median: 1120 kafMedian: 1120 kaf​Median: 1120 kafFeb 04​34.9 kaf​Feb 04​34.9 kafRecord Low: ​326 kaf in 2021​Record Low: ​326 kaf in 2021Record Low: ​326 kaf in 2021​Record Low: ​326 kaf in 2021Record High: ​2210 kaf in 1983​Record High: ​2210 kaf in 1983Record High: ​2210 kaf in 1983​Record High: ​2210 kaf in 1983WY Volume MeanWY Volume MedianWY to Date ObsWY to Date MeanWY to Date MedianDaily ObsObs PeakWY Vol Fcst 50%WY Vol Fcst 25/75%WY Vol Fcst 10/90%WY Vol Fcst Max/MinRecord LowRecord HighSnow Model Updates Observed to Date Percent of Mean: 147% (1550 kaf) Water Year to Date Mean: 1050 kaf​ Historical Water Year Vol Max: 2210 kaf in 1983 Historical Water Year Vol Min: 326 kaf in 2021​ This product only considers meteorological uncertainty and does not account for hydrologic uncertainty.​ Means/medians are based on the period of Water Years 1980 through 2023.​ Legend entries below can be toggled on/off.0481216202428323640444810/01​202411/01​202412/01​202401/01​202502/01​202503/01​202504/01​202505/01​202506/01​202507/01​202508/01​202509/01​202509/30​20250300600900120015001800210024002700300033003600

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ107)
Tonight: Partly cloudy. Lows 38 to 48.

Friday: Mostly sunny. Slight chance of rain in the afternoon. Snow level 5000 to 5500 feet. Highs 61 to 76. Northwest wind around 20 mph in the afternoon.

Friday Night: Partly cloudy. Chance of rain and snow in the evening. Snow level 5000 to 5500 feet. Lows 33 to 43. Northwest wind around 20 mph in the evening.

Saturday: Sunny. Highs 65 to 80.

Saturday Night: Partly cloudy. Lows 35 to 45. Northwest wind around 20 mph.

Sunday: Sunny. Highs 75 to 90.

Sunday Night and Monday: Mostly clear. Lows 43 to 53. Highs 84 to 99.

Monday Night: Partly cloudy. Lows 49 to 59.

Tuesday and Tuesday Night: Mostly clear. Highs 87 to 102. Lows 50 to 60.

Wednesday: Sunny. Highs 88 to 103.

Wednesday Night and Thursday: Mostly clear. Lows 51 to 61. Highs 88 to 103.