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USGS 07386880 Vermilion River at Surrey St. at Lafayette, LA

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
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 December 1967 to September 2015.
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> Rating Information
This station managed by the Baton Rouge Field Office.

Available Parameters Available Period
  
2018-03-23  2025-05-21
1995-10-10  2025-05-21
2007-10-01  2025-05-21
2018-03-23  2025-05-21
2025-01-21  2025-05-21
2018-03-23  2025-05-21
2025-01-01  2025-05-21
2007-10-17  2025-05-21







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 24.6 05-21-2025   07:00 CDT
Graph of Temperature, water, degrees Celsius

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Discharge, cubic feet per second
Most recent instantaneous value: 2330 05-21-2025   07:15 CDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for May 21 based on 25 water years of record more
Min
(1999)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value May 21		 Max
(2004)
353 520 652 1050 1270 2330 5060

Gage height, feet
Most recent instantaneous value: 10.01 05-21-2025   07:15 CDT
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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 0.1 05-21-2025   05:00 CDT
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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 7.27 05-21-2025   07:15 CDT
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
Most recent instantaneous value: 43.9 05-21-2025   07:00 CDT
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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Water velocity reading from field sensor, feet per second
Most recent instantaneous value: 1.97 05-21-2025   07:15 CDT
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Mean water velocity for discharge computation, feet per second
Most recent instantaneous value: 1.61 05-21-2025   07:15 CDT
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