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		River Group: Lower Sacramento

Monitor Stage: 94.0 Feet

Flood Stage: 103.0 Feet

Danger Stage: 104.0 Feet

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
2024*	14,300	78.80	Feb 29, 2024
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
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

Official 7 Day National Weather Service Forecast (CAZ016)

Today: Mostly sunny. Highs 89 to 94. Light winds becoming south up to 10 mph in the afternoon.

Tonight: Mostly clear. Lows 56 to 62. Southeast winds up to 10 mph.

Saturday: Mostly sunny. Highs 89 to 95. Light winds becoming south up to 10 mph in the afternoon.

Saturday Night: Mostly clear. Lows 55 to 61. South winds 10 to 15 mph.

Sunday: Mostly sunny. Highs 77 to 83. South winds up to 15 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon.

Sunday Night: Partly cloudy with a slight chance of rain showers. Lows around 51.

Monday: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Cooler. Highs 63 to 68.

Monday Night: Partly cloudy with a slight chance of rain showers. Lows 45 to 50.

Tuesday: Partly cloudy with a slight chance of rain showers. Highs 67 to 73.

Tuesday Night: Mostly clear. Lows around 50.

Wednesday and Wednesday Night: Clear. Highs 75 to 80. Lows around 51.

Thursday: Mostly sunny. Highs 80 to 85.

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.

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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