CNRFC - Hydrology - Observed River/Reservoir Conditions

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

Monitor Stage: 94.0 Feet

Flood Stage: 103.0 Feet

Danger Stage: 104.0 Feet

Plot Type:

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

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
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
2018*	14,200	79.49	Apr 7, 2018
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

Impacts - E19 Information
95.3 Feet	Overflow of the east bank begins east of Gridley. This water flows into orchards.
97.5 Feet	General overflow of the east bank south of the gage to near Highway 70 occurs. This floods extensive areas of farm land.
99.3 Feet	Water flows over Highway 70 south of East Gridley Road.
101.6 Feet	East bank overflows from Hamilton Bend to Four Corners and to near Highway 40.
106.5 Feet	Stages above 106.5 feet result in flooding outside the levees. Top of levee.

Official 7 Day National Weather Service Forecast (CAZ016)

Tonight: Clear. Lows 55 to 61. Southeast winds up to 15 mph.

Thursday: Sunny. Highs 83 to 88. Southeast winds up to 10 mph.

Thursday Night: Clear. Lows 56 to 62. South winds around 10 mph shifting to the east after midnight.

Friday: Sunny. Highs 87 to 92. Northeast winds up to 10 mph shifting to the west around 10 mph in the afternoon.

Friday Night: Clear. Lows around 62. South winds around 10 mph shifting to the southeast after midnight.

Saturday: Sunny. Highs 90 to 96.

Saturday Night: Clear. Lows 62 to 68.

Sunday: Mostly sunny. Highs 92 to 98.

Sunday Night: Partly cloudy. Lows 63 to 69.

Monday: Mostly sunny. Highs 89 to 97.

Monday Night and Tuesday: Partly cloudy with a slight chance of rain showers. Lows 59 to 65. Highs 84 to 94.

Tuesday Night and Wednesday: Mostly cloudy with a slight chance of rain showers. Lows around 59. Highs 80 to 87.

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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