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		River Group: Upper Sacramento

Monitor Stage: 63.0 Feet

Flood Stage: 70.0 Feet

Danger Stage: 71.0 Feet

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
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
2018*	38,400	63.11	Apr 8, 2018
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

Official 7 Day National Weather Service Forecast (CAZ016)

Today: Partly cloudy in the morning then clearing. Areas of frost in the morning. Highs 56 to 64. Northwest winds up to 10 mph.

Tonight: Clear. Lows 34 to 44. Light winds.

Tuesday: Patchy frost in the morning. Sunny. Highs 61 to 67. North winds 10 to 20 mph.

Tuesday Night: Clear. Lows 33 to 43. North winds 10 to 15 mph.

Wednesday: Areas of frost in the morning. Mostly sunny. Highs around 60. North winds up to 10 mph.

Wednesday Night: Partly cloudy. Lows 35 to 44.

Thursday: Mostly cloudy. Highs around 60.

Thursday Night through Friday Night: Mostly cloudy. Lows 35 to 45. Highs around 61.

Saturday and Saturday Night: Mostly clear. Highs around 63. Lows 36 to 46.

Sunday: Mostly cloudy with a chance of rain. Highs around 60.

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