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

*** IMPORTANT ***  Week of June 22 - Website Data Outage - Most data flow has been restored to the CNRFC web site. A few products may remain outdated while we continue to restore systems following a major computer upgrade. Thank you for your patience.


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: Jun 22, 2025 at 8:58 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

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% -- -- -- -- -- -- -- -- 3960 4130 4200 4240
25% -- -- -- -- -- -- -- -- 3960 4120 4180 4220
50%
(Median)
-- -- -- -- -- -- -- -- 3960 4110 4170 4210
75% -- -- -- -- -- -- -- -- 3960 4110 4170 4200
90% -- -- -- -- -- -- -- -- 3960 4110 4160 4200

ESRI™ Locator Map