CNRFC - Hydrology - River Guidance - Graphical RVF

YUBA RIVER - MARYSVILLE (MRYC1)

Latitude: 39.18º N	Longitude: 121.52º W	Elevation: 88 Feet
Location: Yuba County in California		River Group: Lower Sacramento

Issuance Time:

Feb 04 2023 at 8:43 AM PST

Next Issuance:

Feb 05 2023 at 9:00 AM PST

Monitor Stage: 74.0 Feet

Flood Stage: 87.0 Feet

Danger Stage: 88.0 Feet

Plot Type:

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View USGS Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2021*	1,390	62.32	Jan 28, 2021
2020*	4,950	64.75	Apr 6, 2020
2019*	30,000	75.12	Feb 14, 2019
2018*	36,700	76.80	Apr 7, 2018
2017*	87,100	85.82	Jan 9, 2017
Historical High Stage/Flow Events (Period of Record - January 22, 1943 to Present) - Ranked by Flow
1965*	180,000	90.15	Dec 22, 1964
1997*	161,000	91.64	Jan 2, 1997
1963*	146,000	88.90	Feb 1, 1963
1956*	136,000	82.50	Dec 23, 1955
* Discharge affected to unknown degree by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ016)

Today: Mostly cloudy. Patchy fog in the morning. A slight chance of rain late in the afternoon. Highs 53 to 59. Light winds becoming southeast 10 to 15 mph in the afternoon.

Tonight: Rain, breezy. Lows 41 to 47. Southeast winds 10 to 15 mph shifting to the south 15 to 25 mph after midnight. Gusts up to 40 mph.

Sunday: Mostly cloudy. A chance of rain showers in the morning, then a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 52 to 59. South winds 10 to 15 mph with gusts to around 25 mph.

Sunday Night: Mostly cloudy in the evening then clearing. Lows around 36. North winds up to 10 mph. Gusts up to 20 mph in the evening.

Monday: Patchy frost in the morning. Sunny. Highs around 59. North winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.

Monday Night: Mostly clear. Lows 35 to 41.

Tuesday: Mostly sunny. Highs around 59.

Tuesday Night through Friday: Mostly clear. Lows 36 to 42. Highs around 63.

Impacts - E19 Information
74.0 Feet	Monitor Stage.
79.0 Feet	Simpson Lane floods. Access into and out of Marysville via Simpson Lane bridge is cut off. Orchards within the levee system are flooded.
80.0 Feet	Simpson Lane becomes impassible. Dantoni Road floods. More orchards flood.
87.0 Feet	Flood Stage.
93.0 Feet	Top of levee. Stages above this level result in flooding outside the levee (Datum = USED).

Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.

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