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USGS 08012150 Mermentau River At Mermentau, LA

PROVISIONAL DATA SUBJECT TO REVISION

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> Rating Information
Rating Curve

Get the latest shift-adjusted rating table for this site at the
USGS Rating Depot.   What is a shift-adjusted rating?
> NWS Flood Stage: 4 ft.
  • nws ahps
> Peak Chart
peak chart
Click to go to the Louisiana Department of Environmental Quality web pages   Data for this site provided through a cooperative program with the Louisiana Department of Environmental Quality.

Data are tidally affected--Astronomical tides cause significant cycles of approximately 24.84 hours at this site. Because a different portion of The 24.84-hour tidal cycle is averaged in successive daily (24-hour) computations, a systematic secondary oscillation, unrelated to basin hydrology and having a period of about two weeks may be apparent in daily data published from October 1984 to September 2015.

National Weather Service forecast for this station
National Weather Service station , and basin wide forcast.

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This station managed by the Baton Rouge Field Office.

Available Parameters Available Period
All 5 Available Parameters for this site
  
00060 Discharge 2000-10-01  2019-09-20
00065 Gage height [Primary] 2007-10-01  2019-09-20
63158 Stream level, NGVD 2019-05-23  2019-09-20
72254 Sensor velocity [XVel.RA.SL.1500] 2019-05-23  2019-09-20
72255 Mean water velocity 2019-05-23  2019-09-20

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 919 09-20-2019   00:15 CDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Sep 20 based on 24 water years of record more
Min
(2000)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Sep 20
75th
percen-
tile
Max
(1998)
-870 -238.00 278 738 919 1210 6190


Gage height, feet, [Primary]

Most recent instantaneous value: 2.92 09-20-2019   00:15 CDT
Graph of  Gage height, feet, [Primary]

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Stream water level elevation above NGVD 1929, in feet

Most recent instantaneous value: 3.50 09-20-2019   00:15 CDT
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Water velocity reading from field sensor, feet per second, [XVel.RA.SL.1500]

Most recent instantaneous value: 0.09 09-20-2019   00:15 CDT
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Mean water velocity for discharge computation, feet per second

Most recent instantaneous value: 0.09 09-20-2019   00:15 CDT
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