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:

Nov 13 2019 at 1:46 PM PST

Next Issuance:

Nov 14 2019 at 9:00 AM PST

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
2018	4,600	39.68	Apr 12, 2018
2017	25,600	51.71	Feb 22, 2017
2016	2,512	37.33	Mar 14, 2016
2015	1,477	34.52	Dec 16, 2014
2014	1,357	32.80	Oct 28, 2013
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
2017	25,600	51.71	Feb 22, 2017
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)

Today: Partly cloudy. Highs 71 to 77. Light winds.

Tonight: Mostly cloudy. Lows 44 to 54. Light winds.

Thursday: Mostly cloudy. Highs 64 to 72. West winds up to 10 mph.

Thursday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 41 to 51. Northwest winds up to 10 mph.

Friday: Mostly cloudy in the morning then becoming mostly sunny. Highs 63 to 70. Northwest winds up to 15 mph.

Friday Night: Mostly clear. Lows 40 to 50.

Saturday: Sunny. Highs 68 to 74.

Saturday Night through Sunday Night: Clear. Lows 41 to 51. Highs 71 to 77.

Monday and Monday Night: Mostly clear. Highs 72 to 78. Lows 41 to 51.

Tuesday: Mostly sunny. Highs 64 to 72.

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.