National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service



SAN JOAQUIN VALLEY - WATER RESOURCES INDEX (VNSC0)
San Joaquin River - Millerton Reservoir (FRAC1)
Merced River - Exchequer Reservoir (EXQC1)
Tuolumne River - New Don Pedro Reservoir (NDPC1)
Stanislaus River - New Melones Reservoir (NMSC1)
Issuance Time: Jul 09, 2025 at 8:10 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 PlotCSV Ensemble Files (Data in kcfs):  Forecast Group

SAN JOAQUIN VALLEY WSI (VNSC0) 07/09/2025Median Forecast: 4140 kaf | 69% of Mean | 87% of Median

Combination chart with 61 data series.
Created: 07/09/2025 at 08:10 AM PDT
The chart has 1 X axis displaying Water Year 2025 - Day (mm/dd). Range: 2024-09-27 20:24:00 to 2025-10-05 03:36:00.
The chart has 2 Y axes displaying Water Year Volumes (1000s Ac-Ft) and Daily Observed Volumes (1000s Ac-Ft).
End of interactive chart.

Tabular Monthly Volume Accumulation (1000s of Acre-Feet)
Probability Nov 1
2024
Dec 1
2024
Jan 1
2025
Feb 1
2025
Mar 1
2025
Apr 1
2025
May 1
2025
Jun 1
2025
Jul 1
2025
Aug 1
2025
Sep 1
2025
Oct 1
2025
10% -- -- -- -- -- -- -- -- -- 4060 4120 4160
25% -- -- -- -- -- -- -- -- -- 4060 4120 4150
50%
(Median)
-- -- -- -- -- -- -- -- -- 4060 4110 4140
75% -- -- -- -- -- -- -- -- -- 4060 4110 4140
90% -- -- -- -- -- -- -- -- -- 4060 4110 4140

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