National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SACRAMENTO RIVER - HAMILTON CITY (HAMC1)
Latitude: 39.75º NLongitude: 122.00º WElevation: 125 Feet
Location: Glenn County in CaliforniaRiver Group: Upper Sacramento
Monitor Stage: 142.0 FeetFlood Stage: 147.0 Feet

Observed Data Credit
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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
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ016)
Today: Mostly cloudy. Patchy fog in the morning. A slight chance of rain late in the afternoon. Highs 53 to 59. Light winds becoming southeast 10 to 15 mph in the afternoon.

Tonight: Rain, breezy. Lows 41 to 47. Southeast winds 10 to 15 mph shifting to the south 15 to 25 mph after midnight. Gusts up to 40 mph.

Sunday: Mostly cloudy. A chance of rain showers in the morning, then a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 52 to 59. South winds 10 to 15 mph with gusts to around 25 mph.

Sunday Night: Mostly cloudy in the evening then clearing. Lows around 36. North winds up to 10 mph. Gusts up to 20 mph in the evening.

Monday: Patchy frost in the morning. Sunny. Highs around 59. North winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.

Monday Night: Mostly clear. Lows 35 to 41.

Tuesday: Mostly sunny. Highs around 59.

Tuesday Night through Friday: Mostly clear. Lows 36 to 42. Highs around 63.
Impacts - E19 Information
137.7 FeetWest 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 FeetOverflow 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.