CNRFC - Hydrology - Observed River/Reservoir Conditions

SACRAMENTO RIVER - HAMILTON CITY (HAMC1)

Latitude: 39.75º N	Longitude: 122.00º W	Elevation: 125 Feet
Location: Glenn County in California		River Group: Upper Sacramento

Monitor Stage: 142.0 Feet

Flood Stage: 147.0 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	117,800	147.87	Feb 27, 2019
2018	61,600	140.70	Apr 8, 2018
2017	131,100	149.33	Feb 19, 2017
2016	77,947	142.43	Jan 18, 2016
2015	124,356	148.32	Dec 12, 2014
Historical High Stage/Flow Events (Period of Record - January 1927 to Present)
1997	155,300	150.92	Jan 2, 1997
1970	160,700	150.80	Jan 24, 1970
1983	159,600	150.77	Mar 1, 1983
1995	--	150.65	Jan 10, 1995
1986	160,900	150.53	Feb 18, 1986
* Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.8 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)

Tonight: Mostly clear. Lows 43 to 53. Southeast winds up to 10 mph shifting to the northeast after midnight.

Sunday: Mostly sunny. Highs 77 to 83. Northwest winds up to 10 mph.

Sunday Night: Mostly clear. Lows 43 to 53. Light winds.

Monday: Mostly sunny. Highs around 81. Northwest winds up to 10 mph.

Monday Night: Mostly clear. Lows 46 to 56. Light winds.

Tuesday: Partly cloudy. Highs around 78.

Tuesday Night: Mostly clear. Lows 44 to 54.

Wednesday through Thursday Night: Mostly clear. Highs 78 to 84. Lows 46 to 56.

Friday and Friday Night: Partly cloudy. Not as warm. Highs around 70. Lows 43 to 53.

Saturday: Partly cloudy. Highs around 61.

Impacts - E19 Information
137.7 Feet	West Sacramento Avenue and River Road north of Big Chico Creek flood 1.5 hours after the Hamilton City gage reaches 138.5 and 138.8 feet.
147.2 Feet	Overflow begins on the east bank of the river, from near Wilson Landing Road to Highway 32.

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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