CNRFC - Hydrology - Observed River/Reservoir Conditions

SACRAMENTO RIVER - COLUSA BRIDGE (CLUC1)

Latitude: 39.21º N	Longitude: 122.00º W	Elevation: 70 Feet
Location: Colusa County in California		Bulletin Group: Upper Sacramento		River Group: Upper Sacramento

Monitor Stage: 63.0 Feet

Flood Stage: 70.0 Feet

Danger Stage: 71.0 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
2023*	48,000	67.26	Jan 16, 2023
2022*	29,900	59.51	Oct 26, 2021
2021*	11,500	46.82	Jan 30, 2021
2020*	20,200	53.55	Jan 27, 2020
2019*	51,100	68.33	Mar 1, 2019
Historical High Stage/Flow Events (Period of Record - Oct 1940 to Present) - Ranked by Flow
1983*	51,800	68.50	Mar 04, 1983
2019*	51,100	68.33	Mar 1, 2019
2017*	50,900	68.25	Feb 20, 2017
1998*	50,300	68.02	Feb 05, 1998
* Discharge affected by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
73.0 Feet	Stages above 73.0 feet result in major flooding of the area outside the levees. Top of levee.
67.2 Feet	Water moves into the parking lot and outdoor patio of Colusa Landing RV Park along east bank of river.
65.0 Feet	Water moves into the parking lot of Loves Landing trailer park along east bank of river inside levee.
63.0 Feet	Monitor Stage.

Official 7 Day National Weather Service Forecast (CAZ016)

Today: Sunny. Highs around 89. Northeast winds up to 10 mph in the morning becoming light.

Tonight: Clear. Lows 54 to 64. Light winds.

Saturday: Sunny. Highs around 90. Light winds becoming south up to 10 mph in the afternoon.

Saturday Night: Mostly clear. Lows 55 to 61. Southeast winds up to 10 mph with gusts to around 20 mph.

Sunday: Partly cloudy. Not as warm. Highs around 77. Southeast winds up to 10 mph with gusts to around 25 mph.

Sunday Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 51 to 57.

Monday: Mostly cloudy with a chance of rain showers. Highs around 68.

Monday Night: Partly cloudy. Lows 50 to 56.

Tuesday: Mostly sunny. Highs around 75.

Tuesday Night and Wednesday: Mostly cloudy with a chance of rain showers. Lows 54 to 60. Highs around 75.

Wednesday Night: Partly cloudy with a chance of rain showers. Lows 52 to 58.

Thursday: Sunny. Highs around 80.

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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