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
2021	13,300	130.71	Jan 29, 2021
2020	28,100	134.20	Jan 27, 2020
2019	117,800	147.87	Feb 27, 2019
2018	61,600	140.70	Apr 8, 2018
2017	131,100	149.33	Feb 19, 2017
Historical High Stage/Flow Events (Period of Record - January 1927 to Present) - Ranked by Flow
1986	160,900	150.53	Feb 18, 1986
1970	160,700	150.80	Jan 24, 1970
1983	159,600	150.77	Mar 1, 1983
1997	155,300	150.92	Jan 2, 1997
1995	--	150.65	Jan 10, 1995
* 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: Clear. Lows 53 to 60. Southeast winds up to 10 mph.

Sunday: Sunny. Highs 82 to 88. Light winds becoming south up to 10 mph in the afternoon.

Sunday Night: Clear. Lows 53 to 61. Southeast winds up to 10 mph in the evening becoming light.

Monday: Sunny. Highs 85 to 91. Light winds becoming southwest up to 10 mph in the afternoon.

Monday Night: Clear. Lows 54 to 63. Light winds.

Tuesday: Sunny. Highs 86 to 92.

Tuesday Night: Clear. Lows 54 to 64.

Wednesday: Sunny. Highs 88 to 94.

Wednesday Night through Thursday Night: Mostly clear. Lows 56 to 65. Highs 88 to 94.

Friday through Saturday: Clear. Highs 86 to 92. Lows 55 to 65.

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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