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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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USGS Water-Year Summary 2024
16212601 Waikele Stream at Wheeler Field, Oahu, HI
LOCATION - Lat 21°28'20.3", long 158°02'40.1" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, (Schofield Barracks quadrangle, 1967, 1:24000), on left bank and right bank of stream at culvert crossing, 0.3 miles west of east-west runway at Wheeler Field, 1.9 miles southwest of Wahiawa Post Office, and 1.4 miles northeast of Kunia Post Office.
DRAINAGE AREA - 6.72 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. Prior to September 27, 2007, 6.35 mi².
REVISIONS HISTORY - WDR HI-05-1: 1974-2003(M). WDR HI-09-1: 2008 (drainage area).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Water years 1958 and 1960 to 2007, 2010 to 2017 (annual maximum). Continuous record October 2007 to September 2010, October 2017 to October 2022.
GAGE - Water-stage recorder and concrete box culvert control. Altitude of gage is 710 ft from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,990 ft³/s, gage height 22.50 ft., January 6, 1982, at a different datum from current site. Minimum, no flow on many days.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Suspended sediment concentrations and discharge October 2007 to September 2010, August 2018 to September 2021. Water-quality samples August 2018 to September 2021.
INSTRUMENTATION - Automatic pumping sediment sampler 2007-2010, 2018 to September 2021. Automatic pumping water quality sampler 2018 to September 2021.
EXTREMES FOR PERIOD OF RECORD - SUSPENDED SEDIMENT CONCENTRATION: Maximum daily mean, 772 mg/L, November 4, 2007; minimum, 0 mg/L on many days.
SUSPENDED SEDIMENT DISCHARGE: Maximum daily, 481 tons, November 4; minimum, 0 tons on many days.
