CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

FEATHER RIVER - GRIDLEY (GRIC1)

Latitude: 39.37º N	Longitude: 121.65º W	Elevation: 92 Feet
Location: Butte County in California		Bulletin Group: Lower Sacramento		River Group: Feather Yuba

Issuance Time:

Jan 18 2025 at 7:41 AM PST

Next Issuance:

Jan 19 2025 at 9:00 AM PST

Action/Monitor: 94.0 Feet

Minor Flood: 103.0 Feet

Moderate Flood: 105.6 Feet

Major Flood: 106.6 Feet

Plot Type:

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

Observed Data Credit
	Raw streamflow data is provided by the California Department of Water Resources. View California Department of Water Resources Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2023*	38,900	85.49	Mar 20, 2023
2022*	6,200	75.47	Mar 9, 2022
2021*	3,310	73.81	Jul 2, 2021
2020*	9,540	76.16	Oct 2, 2019
2019*	24,900	82.90	Apr 7, 2019
Historical High Stage/Flow Events (Period of Record - Mar 1929 to Present) - Ranked by Flow
1956	--	102.25**	Dec 23, 1955
1986*	--	100.06	Feb 19, 1986
1997*	--	98.83	Jan 2, 1997
2017*	129,000	96.37	Feb 14, 2017
1995*	89,434	94.66	Mar 12, 1995
2006*	76,964	91.97	Jan 3, 2006
* Discharge affected by regulation or diversion
** Peak stage before regulation by Oroville Dam began in 1967 (also old datum)
*** Datum difference is -2.9 ft and must be applied to data to convert from NGVD29 to NAVD88
**** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.7 ft and must be applied to all data before date to convert to NAVD88

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
106.5 Feet	Stages above 106.5 feet result in flooding outside the levees. Top of levee.
101.6 Feet	East bank overflows from Hamilton Bend to Four Corners and to near Hwy 40.
99.3 Feet	Water flows over Hwy 70 south of east Gridley Road.
97.5 Feet	General overflow of the east bank south of the gage to near Hwy 70 occurs. This floods extensive areas of farm land.
95.3 Feet	Overflow of the east bank begins east of Gridley. This water flows into orchards.

Official 7 Day National Weather Service Forecast (CAZ016)

Today: Areas of frost and patchy dense fog in the morning. Sunny. Highs around 57. Light winds.

Tonight: Clear. Lows 36 to 42. North winds up to 10 mph. Gusts up to 20 mph after midnight.

Martin Luther King Jr Day: Sunny. Highs around 59. North winds 10 to 20 mph with gusts to around 30 mph.

Monday Night: Clear. Lows 31 to 38. North winds 10 to 15 mph with gusts to around 25 mph.

Tuesday: Mostly sunny. Highs around 57. Light winds.

Tuesday Night: Clear. Lows 32 to 40.

Wednesday: Sunny. Areas of frost. Highs 59 to 67.

Wednesday Night and Thursday: Clear. Lows 35 to 43. Highs around 63.

Thursday Night through Friday Night: Mostly clear. Lows 35 to 43. Highs around 61.

Saturday: Partly cloudy with a slight chance of rain showers. Highs around 57.

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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