CNRFC - Hydrology - River Guidance - Graphical RVF

FEATHER RIVER - GRIDLEY (GRIC1)

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

Issuance Time:

Jan 26 2021 at 2:21 PM PST

Next Issuance:

Jan 27 2021 at 9:00 AM PST

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
2019*	24,900	82.90	Apr 7, 2019
2018*	14,200	79.49	Apr 7, 2018
2017*	129,000	96.37	Feb 14, 2017
2016*	10,912	78.37	Jun 29, 2016
2015*	4,052	75.37	May 15, 2015
Historical High Stage/Flow Events (Period of Record - Mar 1929 to Present)
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: Rain showers likely. Windy. Highs 43 to 51. Southeast winds 15 to 35 mph. Gusts up to 60 mph decreasing to 40 mph in the afternoon.

Tonight: Rain showers. Lows 42 to 48. Southeast winds 10 to 20 mph.

Thursday: Rain showers. Highs 49 to 54. Southeast winds 10 to 15 mph with gusts to around 25 mph.

Thursday Night: Mostly cloudy with a chance of rain showers. Lows 38 to 44. Southeast winds around 10 mph.

Friday: Mostly cloudy with a slight chance of rain showers. Highs around 52. Light winds.

Friday Night: Mostly cloudy with a chance of rain showers. Lows 40 to 46.

Saturday: Mostly cloudy with a chance of rain showers. Highs around 52.

Saturday Night and Sunday: Mostly cloudy with a chance of rain showers. Lows 42 to 48. Highs around 54.

Sunday Night and Monday: Rain showers likely. Lows around 47. Highs around 54.

Monday Night: Mostly cloudy with rain showers likely. Lows 39 to 45.

Tuesday: Mostly cloudy with a chance of rain showers. Highs 50 to 56.

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.

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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