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:

Dec 07 2021 at 9:06 AM PST

Next Issuance:

Dec 07 2021 at 3:00 PM PST

Monitor Stage: 74.0 Feet

Flood Stage: 87.0 Feet

Danger Stage: 88.0 Feet

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
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
2016*	36,200	75.99	Mar 14, 2016
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 clearing. Patchy fog in the morning. Warmer. Highs 59 to 65. Northwest winds up to 10 mph.

Tonight: Clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows around 44. Southwest winds up to 10 mph shifting to the southeast after midnight.

Wednesday: Patchy fog in the morning. Mostly cloudy. Highs around 54. Southeast winds up to 10 mph.

Wednesday Night: Cloudy. A slight chance of rain showers in the evening, then a chance of rain showers after midnight. Lows around 44. East winds up to 10 mph.

Thursday: Mostly cloudy with a chance of rain showers in the morning, then mostly sunny in the afternoon. Highs around 53. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the afternoon.

Thursday Night: Mostly clear. Lows around 35.

Friday: Mostly sunny. Areas of frost. Highs around 53.

Friday Night: Mostly clear. Areas of frost. Lows 31 to 37.

Saturday: Partly cloudy. Widespread frost. Highs around 51.

Saturday Night: Mostly cloudy with a chance of rain showers. Lows around 40.

Sunday through Monday: Rain showers likely. Highs around 50. Lows around 41.

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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