CNRFC - Hydrology - River Guidance - Graphical RVF

SACRAMENTO RIVER - MOULTON WEIR (CLSC1)

Latitude: 39.34º N	Longitude: 122.02º W	Elevation: 76 Feet
Location: Colusa County in California		River Group: Upper Sacramento

Issuance Time:

Aug 09 2020 at 6:36 AM PDT

Next Issuance:

Aug 10 2020 at 9:00 AM PDT

Monitor Stage: 76.2 Feet

Flood Stage: 83.8 Feet

Danger Stage: 84.8 Feet

Moulton Weir Location - Sacramento River Channel Stage/Flow (Estimated)

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
2019*	8,410	79.75	Mar 1, 2019
2018*	0****	--	--
2017*	15,300	80.98	Feb 20, 2017
2016*	667	77.39	Mar 14, 2016
2015*	3,794	78.60	Dec 13, 2014
Historical High Stage/Flow Events (Period of Record - Jan 1931 to Present)**
1942	53,900	83.80	Feb 7, 1942
1958*	45,300	84.65***	Feb 20, 1958
1958*	44,200	84.62***	Feb 26, 1958
1983*	35,300	83.71	Mar 3, 1983
1956*	29,900	83.15	Jan 16, 1956
* Discharge affected by regulation or diversion
** Peak flow before regulation by Shasta Dam began in 1943
*** Old datum. The difference is -2.85 ft and must be applied to data to convert from NGVD29 to NAVD88
**** No weir flow observed during the entire water year
***** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.6 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: Sunny. Highs 97 to 103. Light winds becoming south up to 10 mph in the afternoon.

Tonight: Clear. Lows 64 to 74. Southeast winds up to 15 mph.

Monday: Sunny. Highs 96 to 102. Light winds becoming south around 10 mph in the afternoon.

Monday Night: Mostly clear. Lows 61 to 69. South winds 10 to 15 mph.

Tuesday: Sunny. Highs 90 to 96. South winds up to 15 mph.

Tuesday Night: Clear. Lows 57 to 67.

Wednesday: Sunny. Highs around 94.

Wednesday Night through Saturday: Clear. Lows 59 to 69. Highs 94 to 101.

Impacts - E19 Information
76.2 Feet	Moulton Weir crest elevation. Overflow begins into Butte Sink. River Road is flooded and closed.
88.6 Feet	Stages above 88.6 feet result in major flooding of areas 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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