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:

May 25 2019 at 8:46 AM PDT

Next Issuance:

May 26 2019 at 9:00 AM PDT

Monitor Stage: 95.0 Feet

Flood Stage: 103.8 Feet

Danger Stage: 104.8 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
2017*	129,000	96.37	Feb 14, 2017
2016*	10,912	78.37	Jun 29, 2016
2015*	4,052	75.37	May 15, 2015
2014*	3,865	75.27	Jun 19, 2014
2013*	6,000	76.33	Oct 10, 2012
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

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ016)

Today: Widespread rain showers and isolated thunderstorms in the morning. Cooler. Highs around 65. Southeast winds 10 to 15 mph with gusts to around 25 mph.

Tonight: Partly cloudy with a slight chance of rain showers in the evening, then mostly cloudy after midnight. Lows around 50. Southeast winds up to 10 mph.

Memorial Day: Mostly cloudy in the morning then becoming partly cloudy. Highs 69 to 75. Southeast winds up to 10 mph.

Monday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows around 54. Southeast winds around 10 mph in the evening becoming light.

Tuesday: Mostly sunny. Warmer. Highs 80 to 86. Northwest winds up to 15 mph.

Tuesday Night: Mostly clear. Lows around 59.

Wednesday: Partly cloudy with a slight chance of showers and thunderstorms. Highs 82 to 88.

Wednesday Night and Thursday: Partly cloudy with a slight chance of showers and thunderstorms. Lows around 60. Highs 80 to 88.

Thursday Night through Saturday: Mostly clear. Lows around 60. Highs 80 to 89.

Impacts - E19 Information
96.0 Feet	Overflow of the east bank begins east of Gridley. This water flows into orchards.
98.2 Feet	General overflow of the east bank south of the gage to near Highway 70 occurs. This floods extensive areas of farm land.
100.0 Feet	Water flows over Highway 70 south of East Gridley Road.
102.3 Feet	East bank overflows from Hamilton Bend to Four Corners and to near Highway 40.
107.2 Feet	Stages above 107.2 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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