USGS 03277200 OHIO RIVER AT MARKLAND DAM NEAR WARSAW, KY

PROVISIONAL DATA SUBJECT TO REVISION

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The unit-value precipitation data for this station are temporary and will only be displayed for 120 days. Time series of unit-value or cumulative daily values will NOT be available for retrieval following the 120-day display period. Although the instrumentation is calibrated at least once/year, the temporary classification means that documented routine inspections and other quality assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.



This station managed by the Louisville District Office.

Available Parameters Available Period
  
2011-02-12  2025-08-31
2011-02-10  2025-08-31
2022-08-31  2025-08-31
2015-10-01  2025-08-31
2007-10-01  2025-08-31
2011-02-10  2025-08-31
2011-02-10  2025-08-31
2011-02-12  2025-08-31
2011-02-10  2025-08-31
2011-02-10  2025-08-31
2020-07-15  2020-11-02
2020-07-15  2020-11-02
2020-07-15  2020-11-02
2020-07-15  2020-11-02







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius, Downstream Hydro Side
Most recent instantaneous value: 26.9 09-01-2025   00:05 EDT
Graph of Temperature, water, degrees Celsius

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Temperature, water, degrees Celsius, Upstream Hydro Side
Most recent instantaneous value: 26.9 08-31-2025   23:45 EDT
Graph of Temperature, water, degrees Celsius

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Precipitation, total, inches
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 10000 08-31-2025   22:00 EDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Sep 1 based on 55 water years of record more
Most Recent
Instantaneous
Value Sep 1		 Min
(2002)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1974)
-- unavailable -- 3560 16700 26600 40700 54300 151000

Gage height, feet, Downstream Lock Side
Most recent instantaneous value: 13.23 08-31-2025   23:45 EDT
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, Downstream Hydro Side
Most recent instantaneous value: 417 09-01-2025   00:05 EDT
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, Upstream Hydro Side
Most recent instantaneous value: 421 08-31-2025   23:45 EDT
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter, Downstream Hydro Side
Most recent instantaneous value: 5.6 09-01-2025   00:05 EDT
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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Dissolved oxygen, water, unfiltered, milligrams per liter, Upstream Hydro Side
Most recent instantaneous value: 3.6 08-31-2025   23:45 EDT
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units, Upstream Hydro Side
Most recent instantaneous value: 7.7 08-31-2025   23:45 EDT
Graph of pH, water, unfiltered, field, standard units

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Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU), Upstream Hydro Side
 
-- Data temporarily unavailable for the time period specified --

Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll, Upstream Hydro Side
 
-- Data temporarily unavailable for the time period specified --

Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin, Upstream Hydro Side
 
-- Data temporarily unavailable for the time period specified --

Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU), Upstream Hydro Side
 
-- Data temporarily unavailable for the time period specified --