CNRFC Ensemble Plot for HETC1

Short-Rng Pks	10D Prob	10 Accum
4x5D Prob	Mnth Prob	Seas Trnd
WY Trend	WY Accum	Multi-Yr Accum
Historical	Verification	Custom

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TUOLUMNE RIVER - HETCH HETCHY RESERVOIR (HETC1)

Latitude:
37.95º N

Longitude:
119.79º W

Elevation:
3870 Feet

Location: Tuolumne County in CA

River Group: San Joaquin

Issuance Time:

Jul 09 2025 at 7:47 AM PDT

Please Note:

Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

10-Day Accumulated Volume Plot

Tabular 10-Day Streamflow Volume Accumulation (1000s of Acre-Feet) Data Updated: Jul 09 2025 at 7:55 AM PDT
Prob	Jul 10	Jul 11	Jul 12	Jul 13	Jul 14
10% (Max)	0.5	1.0	1.5	2.0	2.4
25%	0.5	1.0	1.5	2.0	2.4
50% (Prob)	0.5	1.0	1.5	2.0	2.4
75%	0.5	1.0	1.5	2.0	2.4
90% (Min)	0.5	1.0	1.5	2.0	2.4
RFC FCST	0.5	1.0	1.5	2.0	2.4
Prob	Jul 15	Jul 16	Jul 17	Jul 18	Jul 19
10% (Max)	2.9	3.3	3.7	4.1	4.5
25%	2.9	3.3	3.7	4.1	4.5
50% (Prob)	2.9	3.3	3.7	4.1	4.5
75%	2.9	3.3	3.7	4.1	4.5
90% (Min)	2.9	3.3	3.7	4.1	4.5

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ323)

Today: Sunny. Highs 63 to 77. Southwest winds up to 15 mph with gusts to around 30 mph.

Tonight: Clear. Lows 40 to 56. West winds up to 10 mph with gusts to around 25 mph shifting to the east after midnight.

Thursday: Warmer, sunny. Highs 67 to 81. Southeast winds up to 10 mph shifting to the west in the afternoon.

Thursday Night: Clear. Lows 45 to 59. Northwest winds up to 10 mph shifting to the east after midnight.

Friday: Sunny. Highs 70 to 84. East winds up to 10 mph shifting to the southwest in the afternoon.

Friday Night through Monday: Clear. Lows 47 to 63. Highs 71 to 85.

Monday Night: Mostly clear. Lows 49 to 63.

Tuesday: Sunny. Highs 71 to 85.