USGS 251003080435500 MCCORMICK CREEK AT MOUTH NEAR KEY LARGO, FL

PROVISIONAL DATA SUBJECT TO REVISION

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Available Parameters Available Period
  
2007-10-01  2011-10-02
2007-10-01  2025-11-19
2008-10-01  2025-11-19
2007-10-01  2025-11-19
2010-09-14  2025-11-19
2010-09-14  2011-10-02
2007-10-01  2011-10-02
2007-10-01  2025-11-19
2025-07-21  2025-11-19







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius, BOTTOM
Most recent instantaneous value: 23.8 11-19-2025   06:00 EST
Graph of Temperature, water, degrees Celsius

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Temperature, water, degrees Celsius, SURFACE
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 16.8 11-19-2025   06:00 EST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Nov 19 based on 29 water years of record more
Min
(1997)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Nov 19		 Mean Median 75th
percen-
tile		 Max
(2021)
-146 -33 16.8 50 59 113 341

Gage height, feet, NAVD88
Most recent instantaneous value: -0.24 11-19-2025   06:00 EST
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, BOTTOM
Most recent instantaneous value: 21000 11-19-2025   06:00 EST
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, SURFACE
 
-- Data temporarily unavailable for the time period specified --

Salinity, water, unfiltered, parts per thousand, BOTTOM
Most recent instantaneous value: 13 11-19-2025   06:00 EST
Graph of Salinity, water, unfiltered, parts per thousand

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Salinity, water, unfiltered, parts per thousand, SURFACE
 
-- Data temporarily unavailable for the time period specified --

Mean water velocity for discharge computation, feet per second
Most recent instantaneous value: 0.09 11-19-2025   06:00 EST
Graph of Mean water velocity for discharge computation, feet per second

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