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

Plot Type:

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)

Today: Mostly cloudy in the morning then becoming mostly sunny. Highs around 59. South winds 10 to 15 mph.

Tonight: Mostly clear in the evening, then mostly cloudy with a chance of rain showers after midnight. Lows around 43. Southeast winds around 10 mph shifting to the northeast after midnight.

Tuesday: Rain showers. Highs 50 to 57. North winds 10 to 15 mph with gusts to around 25 mph.

Tuesday Night: Mostly cloudy. Rain showers likely in the evening, then a chance of rain showers after midnight. Lows around 45. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Wednesday: Mostly cloudy with a chance of rain showers. Highs 54 to 59. Southeast winds up to 10 mph.

Wednesday Night: Mostly cloudy. Lows around 44.

Thursday: Mostly cloudy with a slight chance of rain showers. Highs 57 to 62.

Thursday Night: Partly cloudy with a slight chance of rain showers. Lows 38 to 44.

Friday through Saturday Night: Mostly clear. Highs 55 to 61. Lows 36 to 44.

Sunday: Partly cloudy with a slight chance of rain showers. Highs 54 to 59.

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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