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CALAVERAS RIVER - NEW HOGAN RESERVOIR (NHGC1)
Latitude:
38.16º N
Longitude:
120.81º W
Elevation:
554 Feet
Location: Calaveras County in CA
River Group: San Joaquin
Issuance Time: Jan 10 2026 at 11:19 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.
2026 Water Year Accumulated Volume PlotCSV Ensemble Files (Data in kcfs):  Forecast Group  |  NHGC1
Note: The chart below functions better in landscape orientation.


Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ067)
Tonight: Mostly cloudy. Lows 36 to 42. Light winds.

Sunday: Partly cloudy in the morning then clearing. Highs 53 to 61. Light winds.

Sunday Night: Mostly clear. Lows 36 to 44. Light winds.

Monday: Sunny. Highs 53 to 63. Light winds.

Monday Night: Clear. Lows 38 to 46. Light winds.

Tuesday: Sunny. Highs 56 to 68.

Tuesday Night: Mostly clear. Lows 40 to 48.

Wednesday through Saturday: Clear. Highs 57 to 71. Lows 40 to 50.