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 05 2020 at 7:14 AM PDT

Next Issuance:

Aug 06 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)

Tonight: Clear. Lows 54 to 60. Southeast winds 10 to 20 mph.

Thursday: Partly cloudy in the morning then clearing. Highs 84 to 90. South winds around 10 mph.

Thursday Night: Clear. Lows 58 to 66. South winds 10 to 15 mph shifting to the east after midnight.

Friday: Sunny. Highs 89 to 95. North winds up to 10 mph shifting to the southwest around 10 mph in the afternoon.

Friday Night: Clear. Lows 61 to 69. South winds around 10 mph shifting to the east up to 10 mph after midnight.

Saturday: Sunny. Highs 93 to 99.

Saturday Night: Clear. Lows 63 to 71.

Sunday through Monday: Clear. Highs 95 to 102. Lows 62 to 72.

Monday Night: Mostly clear. Lows 60 to 70.

Tuesday through Wednesday: Clear. Highs 89 to 97. Lows 59 to 69.

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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Verification - Historical Graphical RVF
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