CNRFC - Hydrology - River Guidance - Graphical RVF

SAN JOAQUIN RIVER - PATTERSON (PATC1)

Latitude: 37.49º N	Longitude: 121.08º W	Elevation: 97 Feet
Location: Stanislaus County in California		River Group: San Joaquin

Issuance Time:

Apr 20 2018 at 7:28 AM PDT

Next Issuance:

Apr 21 2018 at 9:00 AM PDT

Monitor Stage: 48.0 Feet

Flood Stage: 54.7 Feet

Danger Stage: 55.7 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
2016	2,512	37.33	Mar 14, 2016
2015	1,477	34.52	Dec 16, 2014
2014	1,357	32.80	Oct 28, 2013
2013	1,809	34.32	Dec 29, 2012
2012	1,984	35.10	Oct 13, 2011
Historical High Stage/Flow Events (Period of Record - Oct 1969 to Present)
1983*	28,700	51.26	Mar 4, 1983
2006*	27,612	50.97	Apr 10, 2006
1980*	24,900	50.57	Feb 25, 1980
1938*	--	50.50	Jun 13, 1938
1986*	23,000	49.65	Mar 18, 1986

* Discharge affected by regulation or diversion
** Most recent continuous record back to Oct 1969 with segmented periods back to Apr 1938

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ019)

Tonight: Clear. Lows 47 to 53. North winds up to 15 mph.

Saturday: Sunny. Highs 75 to 82. Northwest winds up to 10 mph.

Saturday Night: Clear. Lows 50 to 58. Northwest winds up to 10 mph.

Sunday: Mostly sunny. Highs 77 to 86. Light winds.

Sunday Night: Clear. Lows 49 to 57. Northwest winds up to 10 mph.

Monday: Sunny. Highs 78 to 85.

Monday Night: Mostly clear. Lows 50 to 58.

Tuesday: Partly cloudy. Highs 77 to 85.

Tuesday Night through Thursday Night: Mostly clear. Lows 49 to 58. Highs 74 to 84.

Friday: Mostly sunny. Highs 68 to 76.

Impacts - E19 Information
58.3 Feet	Stages above 58.3 feet result in flooding outside the levee. 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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To view other verification locations, use our Historical Graphical River Forecast Interface.