CNRFC - Hydrology - Observed River/Reservoir Conditions

End of River Group

SACRAMENTO RIVER - TISDALE WEIR (TISC1)

Latitude: 39.03º N	Longitude: 121.82º W	Elevation: 45 Feet
Location: Sutter County in California		River Group: Upper Sacramento

Monitor Stage: 44.1 Feet

Flood Stage: 51.6 Feet

Danger Stage: 52.6 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*	0****	--	--
2020*	0****	--	--
2019*	18,400	49.70	Mar 1, 2019
2018*	11,400	48.00	Apr 9, 2018
2017*	18,700	49.89	Feb 21, 2017
Historical High Stage/Flow Events (Period of Record - Jan 1932 to Present) - Ranked by Flow
1940	--	53.50**	Mar 01, 1940
1966*	24,600***	--	Dec 25, 1965
1997*	20,000	53.10	Jan 03, 1997
1942	19,500	52.90	Feb 08, 1942
1986*	19,300	52.66	Feb 20, 1986
* Discharge affected by regulation or diversion
** Peak of record prior to construction of Shasta Dam (Above Rating Table)
*** Peak of record after construction of Shasta Dam
**** No weir flow observed during the entire water year
***** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -1.4 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. 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
44.1 Feet	Tisdale Weir crest elevation. Overflow begins into the Tisdale Bypass. This water eventually ends up in the Sutter Bypass.
55.6 Feet	Stages above 55.6 feet results in flooding 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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