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USGS 16704000 Wailuku River at Piihonua, HI

  Stream Site

DESCRIPTION:
Latitude 19°42'43.7",   Longitude 155°09'02.7"   NAD83
Hawaii County, Hawaii, Hydrologic Unit 20010000
Drainage area: 220 square miles
Contributing drainage area: 148.6 square miles,
Datum of gage: 1,090 feet above   LMSL.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    1990-10-01  2025-10-16  
 Daily Data
    Temperature, water, degrees Celsius  1975-05-21  1979-04-30  2897 
    Discharge, cubic feet per second  1928-07-01  2025-10-15  35230 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1975-05-21  1979-07-07  2675 
 Daily Statistics 
    Temperature, water, degrees Celsius  1975-05-21  1979-04-30 966 
    Discharge, cubic feet per second  1928-07-01  2024-11-13 34894 
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1975-05-21  1979-07-07 892 
 Monthly Statistics 
    Temperature, water, degrees Celsius  1975-05  1979-04  
    Discharge, cubic feet per second  1928-07  2024-11  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1975-05  1979-07  
 Annual Statistics 
    Temperature, water, degrees Celsius  1975  1979  
    Discharge, cubic feet per second  1928  2025  
    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius  1975  1979  
 Peak streamflow 1929-02-15  2024-08-25  96 
 Field measurements 1979-11-17  2025-08-13  213 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1971-10-26  1989-09-08  207 
 Water-Year Summary 2006  2024  19 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Pacific Islands Water Science Center
Email questions about this site to Pacific Islands Water Science Center Water-Data Inquiries
ADDITIONAL INFORMATION
cwrm Station has been operated in cooperation with the State of Hawaii Commission on Water Resource Management.