USGS Water-Year Summary 2022
16241600 Manoa Stream at Woodlawn Drive, Oahu, HI
LOCATION - Lat 21°18'30.4", long 157°48'34.2" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, on right bank, 250 ft upstream from the Woodlawn Drive Bridge.
DRAINAGE AREA - 4.28 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.
PERIOD OF RECORD - Continuous-record station April 2011 to September 2020.
GAGE - Water-stage recorder. Elevation of gage is 130 ft above mean sea level, by topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,800 ft³/s, December 13, 2011, gage height, 12.86 feet; minimum, 0.33 ft³/s, September 18, 2018.