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Water-Year Summary for Site 16254000

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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
16254000 Makawao Stream near Kailua, Oahu, HI
LOCATION - Lat 21°21'34.2", long 157°45'43.8" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, on left bank 0.2 miles upstream of old streamgage site, 2.0 miles south of Kailua High School, and 2.1 miles southwest of Keolu Elementary School.
DRAINAGE AREA - 2.03 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 1937: Drainage Area. WDR HI-10-1: Drainage Area.  Disharge data revised from September 13, 2018 to October 8, 2020 on June 10, 2024.
PERIOD OF RECORD - November 1912 to June 1916, January 1958 to March 2006, May 2008 to current year.
GAGE - Water-stage recorder. Datum of gage is 100 feet above mean sea level (from topographic map). Prior to January 1, 1958, nonrecording gage at sites about 0.2 miles downstream at different datum. January 1958 to March 2006, recording gage at site about 0.2 mi downstream at different datum.
REMARKS - Maunawili ditch diverts ground and surface water 1.3 miles upstream of station at elevation 920 feet for irrigation in vicinity of Waimanalo.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 6,000 ft³/s, February 4, 1965, gage height, 12.41 ft, from rating curve extended above 470 ft³/s on basis of slope-area measurement of peak flow; minimum, 0.43 ft³/s, September 8-12, 14, 16-20, 22, 23, 1964.