CNRFC - Hydrology - Observed River/Reservoir Conditions

Start of River Group

NAVARRO RIVER - NAVARRO (NVRC1)

Latitude: 39.17º N	Longitude: 123.67º W	Elevation: 20 Feet
Location: Mendocino County in California		River Group: Russian Napa

Monitor Stage: N/A

Flood Stage: 23.0 Feet

Plot Type:

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View USGS Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2021	801	6.30	Feb 2, 2021
2020	2,560	10.78	Dec 7, 2019
2019	38,300	37.16	Feb 27, 2019
2018	8,390	18.70	Apr 6, 2018
2017	24,400	35.87	Jan 11, 2017
Historical High Stage/Flow Events (Period of Record - Oct 1950 to Present) - Ranked by Flow
1955	64,500	40.60	Dec 22, 1955
2006	62,000	39.81	Dec 31, 2005
1974	61,000	39.13	Jan 16, 1974
1965	52,100	38.64	Dec 22, 1964

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ112)

Today: Mostly sunny early in the morning then becoming mostly cloudy. Areas of frost in the morning. Slight chance of rain showers in the afternoon. Snow level 1500 to 2000 feet. Highs 49 to 59.

Tonight: Rain, windy. Rain may be heavy at times overnight. Snow level 1500 feet in the evening rising to 2500 feet overnight. Lows 35 to 45. Southeast wind 20 to 35 mph in the valleys and southeast 30 to 45 mph at higher elevation. Snow accumulations up to 2 inches.

Tuesday: Rain showers. Highs 43 to 53. South wind 20 to 25 mph in the valleys and south 20 to 30 mph at higher elevation.

Tuesday Night: Rain showers and slight chance of thunderstorms. Lows 34 to 44.

Wednesday: Rain showers and slight chance of thunderstorms. Highs 46 to 56. Southeast wind around 20 mph.

Wednesday Night: Mostly cloudy in the evening then clearing. Areas of frost. Chance of rain showers. Lows 29 to 39.

Thursday: Mostly sunny. Areas of frost. Highs 50 to 60.

Thursday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 35 to 45.

Friday: Mostly cloudy. Slight chance of rain showers. Highs 48 to 58.

Friday Night through Sunday: Mostly cloudy. Chance of rain showers. Lows 35 to 45. Highs 48 to 59.

Impacts - E19 Information
23.0 Feet	Flooding of Highway 128 approximately 5 miles from Highway 1 is certain and the highway will be closed. Motorists should use alternate routes
30.0 Feet	Water will flow over the south bank of the river approximately 1 mile east of Highway 1, and begin to flood property in this area including six homes. Expect closure of Highway 128. Motorists should use alternate routes.
34.0 Feet	Significant flooding over the south bank approximately 1 mile east of Highway 1, and damage to property including 6 homes is possible. Expect closure of Highway 128. Motorists should use alternative routes.

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 Eureka 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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