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USGS 02301719 ALAFIA RIVER NEAR GIBSONTON FL

  Stream Site

DESCRIPTION:
Latitude 27°51'24",   Longitude 82°21'28"   NAD27
Hillsborough County, Florida, Hydrologic Unit 03100204
Drainage area: 419 square miles
Datum of gage: -1.28 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2015-10-08  
 Daily Data
    Temperature, water, degrees Celsius -- NEAR BOTTOM  1999-11-05  2015-10-08  11028 
    Discharge, cubic feet per second -- not filtrd. for tide  1999-11-13  2015-02-24  4741 
    Gage height, feet  1999-11-05  2015-10-08  11127 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius -- NEAR BOTTOM  1999-11-05  2015-10-08  10452 
    Stream water level elevation above NAVD 1988, in feet  2010-10-13  2015-10-08  3476 
    Discharge, tidally filtered, cubic feet per second -- RESIDUAL  2002-10-21  2014-10-17  3596 
 Daily Statistics 
    Discharge, cubic feet per second -- not filtrd. for tide  1999-11-13  2015-02-24 4741 
    Discharge, tidally filtered, cubic feet per second -- RESIDUAL  2002-10-21  2014-10-15 3594 
 Monthly Statistics 
    Discharge, cubic feet per second -- not filtrd. for tide  1999-11  2015-02  
    Discharge, tidally filtered, cubic feet per second -- RESIDUAL  2002-10  2014-10  
 Annual Statistics 
    Discharge, cubic feet per second -- not filtrd. for tide  2000  2015  
    Discharge, tidally filtered, cubic feet per second -- RESIDUAL  2003  2015  
 Field measurements 1999-11-23  2014-10-16  464 
 Field/Lab water-quality samples 2001-02-13  2011-10-12  160 
 Water-Year Summary 2006  2015  10 

Additional Data Sources

Begin Date

End Date

Count
 Instantaneous-Data Archive  **offsite** 1999-11-13  2007-09-30  221708 
OPERATION:
Record for this site is maintained by the USGS Florida Water Science Center - Tampa
Email questions about this site to Florida Water-Data Inquiries
ADDITIONAL INFORMATION
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.