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STANISLAUS RIVER - NEW MELONES RESERVOIR (NMSC1)
Latitude:
37.96º N
Longitude:
120.52º W
Elevation:
1400 Feet
Location: Calaveras County in CA
River Group: San Joaquin
Issuance Time: Jun 16 2025 at 6:20 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.
Monthly Probability Plot
Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jun 16 2025 at 6:28 AM PDT
ProbJun*JulAugSepOctNov
10%81.622.68.56.433.853.6
25%80.719.38.05.27.522.5
50%79.618.47.64.54.210.6
75%79.017.57.54.33.74.6
90%78.616.97.44.23.03.5
Mean163.661.020.814.719.827.8
%Mean48.730.236.530.621.238.1
ProbDecJanFebMarAprMay
10%175.1234.1260.7344.5324.5506.4
25%64.0129.6132.7202.9270.6371.0
50%22.148.072.4125.0187.5217.0
75%8.717.827.683.9139.6132.4
90%4.312.621.962.9107.4105.3
Mean64.4101.3115.0156.6196.8247.0
%Mean34.347.463.079.895.387.9
Note 1: %Mean is the "Median forecast monthly value (50%)" divided by the "monthly mean" (displayed as a %)
Note 2: For current month, graphic represents remaining forecast only, text represents observed + remaining forecast.

Location Photographs

ESRI™ Locator Map
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.