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: Jun 16 2025 at 6:27 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 Accumulated Volume Plot CSV Ensemble Files (Data in kcfs): Forecast Group | NHGC1
Note: The chart below functions better in landscape orientation.
Created with Highcharts 9.2.1 Daily Observed Volumes (1000s Ac-Ft) Water Year 2025 - Day (mm/dd) Water Year Volumes (1000s Ac-Ft) Chart context menu CALAVERAS - NEW HOGAN DAM (NHGC1) 06/16/2025 Median Forecast: 85.3 kaf | 50% of Mean | 105% of Median Created: 06/16/2025 at 06:27 AM PDT 171 kaf Mean 171 kaf Mean171 kaf Mean 171 kaf Mean81.6 kaf Median 81.6 kaf Median81.6 kaf Median 81.6 kaf Median565 kaf Record High (1983) 565 kaf Record High (1983)565 kaf Record High (1983) 565 kaf Record High (1983)7.50 kaf Record Low (1977) 7.50 kaf Record Low (1977)7.50 kaf Record Low (1977) 7.50 kaf Record Low (1977)Feb 14, 2025 6.46 kaf Feb 14, 2025 6.46 kaf90%: 85.3 kaf 75%: 85.3 kaf 50%: 85.3 kaf 25%: 85.5 kaf 10%: 85.7 kaf Min Trace (2019: 85.3 kaf) Median Trace (1998: 85.3 kaf) Max Trace (1983: 86.5 kaf) Volume Med Volume Mean Traces (1980-2023) Record High Record Low Accum to Date Mean Accum to Date Median Accum to Date Obs Daily Obs Obs Peak Observed to Date Percent of Mean: 51% (85.3 kaf) Water Year to Date Mean: 168 kaf 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. 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 10/01 2024 11/01 2024 12/01 2024 01/01 2025 02/01 2025 03/01 2025 04/01 2025 05/01 2025 06/01 2025 07/01 2025 08/01 2025 09/01 2025 09/30 2025 0 40 80 120 160 200 240 280 320 360 400 440 480 520 560 600 Loading...
Official 7 Day National Weather Service Forecast (CAZ067) Today: Sunny. Highs 79 to 89. Light winds becoming southwest up to 10 mph in the afternoon.Tonight: Clear. Lows 52 to 62. Prevailing southwest winds up to 10 mph in the evening becoming light.Tuesday: Sunny. Highs 82 to 92. Light winds becoming west up to 10 mph in the afternoon.Tuesday Night: Clear. Lows 57 to 65. Prevailing west winds up to 10 mph in the evening becoming light.Wednesday: Sunny. Highs 87 to 97. Light winds becoming west up to 10 mph in the afternoon.Wednesday Night: Clear. Lows 59 to 68.juneteenth: Sunny. Highs 83 to 93.Thursday Night and Friday: Clear. Lows 52 to 60. Highs 77 to 92.Friday Night through Sunday: Clear. Lows 48 to 55. Highs 71 to 86.