CNRFC - Hydrology - Observed River/Reservoir Conditions

*** IMPORTANT *** Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.

SACRAMENTO RIVER - BUTTE CITY (BTCC1)

Latitude: 39.46º N	Longitude: 121.99º W	Elevation: 99 Feet
Location: Glenn County in California		Bulletin Group: Upper Sacramento		River Group: Upper Sacramento

Action/Monitor: 88.5 Feet

Minor Flood: 97.0 Feet

Moderate Flood: 99.5 Feet

Major Flood: 100.5 Feet

Plot Type:

Observed Data Credit
	Raw streamflow data is provided by the California Department of Water Resources. View California Department of Water Resources Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2024*	96,200	90.01	Feb 21, 2024
2023*	109,100	90.90	Mar 16, 2023
2022*	37,200	79.48	Oct 25, 2021
2021*	12,100	71.53	Jan 30, 2021
2020*	27,500	75.28	Jan 27, 2020
Historical High Stage/Flow Events (Period of Record - Apr 1921 to Present) - Ranked by Flow
1942	170,000**	96.87	Feb 07, 1942
1958*	160,000***	96.70	Feb 20, 1958
1983*	157,000	95.89	Mar 02, 1983
1941	151,000	95.17	Feb 12, 1941
1998*	--	95.15	Feb 04, 1998
* Discharge affected by regulation or diversion
** Peak of record prior to construction of Shasta Dam
*** Peak of record after to construction of Shasta Dam
**** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.5 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

Flood Impacts
100.5 Feet	Stages above 100.5 feet result in major flooding. Top of levee.
97.0 Feet	Water begins to flow into the orchards on the west bank of the river. Water is still contained inside the levees.
96.5 Feet	Water begins to flow into the orchards on the west bank of the river. Water is still contained inside the levees.
89.9 Feet	Overbank flow of the east bank begins upstream of the gage. Water flows into Butte Basin.

Official 7 Day National Weather Service Forecast (CAZ016)

Today: Mostly sunny. Highs around 86. Southeast winds up to 10 mph.

Tonight: Mostly clear. Lows 53 to 59. Southeast winds up to 10 mph.

Sunday: Mostly sunny. Highs around 88. Light winds becoming south up to 10 mph in the afternoon.

Sunday Night: Mostly clear. Lows 53 to 59. Southeast winds up to 10 mph.

Monday: Sunny. Highs around 89. Southeast winds up to 10 mph.

Monday Night: Clear. Lows 56 to 62.

Tuesday: Sunny. Highs around 94.

Tuesday Night through Wednesday Night: Clear. Lows 61 to 67. Highs around 96.

juneteenth and Thursday Night: Clear. Highs around 92. Lows 56 to 63.

Friday: Sunny. Highs around 87.

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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