National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SAN JOAQUIN RIVER - MOSSDALE (MOSC1)
Latitude: 37.79º NLongitude: 121.31º WElevation: 32 Feet
Location: San Joaquin County in CaliforniaRiver Group: San Joaquin
Issuance Time: Dec 10 2018 at 7:49 AM PSTNext Issuance: Dec 10 2018 at 3:00 PM PST
Monitor Stage: 19.5 FeetFlood Stage: 28.5 FeetDanger Stage: 29.5 Feet
Observed Data Credit
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Raw streamflow data is provided by the California Department of Water Resources.
View CA DWR Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2017
-- 21.70 Feb 23, 2017
2016
--
7.29
Mar 16, 2016
2015
--
6.99
Dec 21, 2014
2014
--
6.78
Apr 19, 2014
2013
--
7.46
Dec 26, 2012
 Historical High Stage/Flow Events (Period of Record - Jan 1920 to Present)*
1951
--
24.40**
Dec 10, 1950
1997
--
23.24**
Jan 9, 1997
2017
-- 21.70 Feb 23, 2017
1969
--
20.31**

Jan 27, 1969

1967 -- 18.10** Jan 24, 1967
2006 -- 17.19** Apr 13, 2006
 * No data was available Sep 2006 to Apr 2007
 ** Datum changed from NGVD29 to NAVD88 on 10/01/2006. The difference is +2.38 ft and must be applied to all data before date to convert to NAVD88
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ019)
Today: Mostly cloudy. Patchy fog in the morning. A slight chance of rain showers in the afternoon. Highs around 56. Northwest winds up to 10 mph.

Tonight: Mostly clear. Patchy fog after midnight. Lows 33 to 43. Northwest winds up to 10 mph.

Tuesday: Areas of fog and locally dense in the morning. Mostly sunny. Highs around 56. West winds up to 10 mph.

Tuesday Night: Mostly clear. Lows 35 to 45. Light winds.

Wednesday: Mostly sunny. Highs around 58. Northwest winds up to 10 mph.

Wednesday Night: Mostly clear. Lows 34 to 44.

Thursday: Mostly sunny. Highs around 58.

Thursday Night: Mostly clear. Lows 38 to 46.

Friday: Mostly cloudy with a slight chance of rain. Highs around 59.

Friday Night: Mostly cloudy with a chance of rain. Lows 39 to 45.

Saturday: Partly cloudy. Highs around 57.

Saturday Night: Mostly cloudy with a slight chance of rain. Lows 41 to 47.

Sunday: Mostly cloudy with a chance of rain. Highs around 55.
Impacts - E19 Information
33.1 FeetStages above 30.7 feet result in flooding 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.