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Water-Year Summary for Site 16246000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
16246000 Waiomao Stream near Honolulu, Oahu, HI
LOCATION - Lat 21°18'24", long 157°46'50" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, on left bank, 0.4 mi downstream from forest reserve boundary, 1.0 mi upstream from Palolo Stream, and 5 mi east of Honolulu downtown Post Office.
DRAINAGE AREA - 1.05 mi². from automated delineation using 10-meter National Elevation Dataset digital elevation model data dated September 2006 and Watershed Boundary Dataset dated May 2008, using UTM Zone 4 projection, NAD 83 horizontal datum.
REVISIONS HISTORY - WSP 1569: Drainage area. WSP 1639: 1927-28(M), 1930, 1932.
SURFACE-WATER RECORDS
PERIOD OF RECORD - April to December 1911, May to December 1912, June 1926 to September 1971. October 2011 to October 17, 2014 (discontinued).
GAGE - Water-stage recorder with natural control. Prior to December 1912 nonrecording gage at site 0.5 mi downstream at different datum. June 1926 to September 1971 at site 150 feet downstream at same datum.
REMARKS - No known diversions upstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,550 ft³/s, April 11, 1930, gage height, 6.27 ft., datum then in use, from rating curve extended above 98 ft³/s by test of model of station site; minimum discharge, no flow, on many days.
WATER-QUALITY RECORDS
PERIOD OF RECORD - 1970, 2012-2014 (discontinued).