CNRFC - Hydrology - Observed River/Reservoir Conditions

YUBA RIVER - MARYSVILLE (MRYC1)

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

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 in the morning then becoming mostly sunny. Highs around 59. South winds 10 to 15 mph.

Tonight: Mostly clear in the evening, then mostly cloudy with a chance of rain showers after midnight. Lows around 43. Southeast winds around 10 mph shifting to the northeast after midnight.

Tuesday: Rain showers. Highs 50 to 57. North winds 10 to 15 mph with gusts to around 25 mph.

Tuesday Night: Mostly cloudy. Rain showers likely in the evening, then a chance of rain showers after midnight. Lows around 45. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Wednesday: Mostly cloudy with a chance of rain showers. Highs 54 to 59. Southeast winds up to 10 mph.

Wednesday Night: Mostly cloudy. Lows around 44.

Thursday: Mostly cloudy with a slight chance of rain showers. Highs 57 to 62.

Thursday Night: Partly cloudy with a slight chance of rain showers. Lows 38 to 44.

Friday through Saturday Night: Mostly clear. Highs 55 to 61. Lows 36 to 44.

Sunday: Partly cloudy with a slight chance of rain showers. Highs 54 to 59.

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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