USGS Water-Year Summary 2019
16097500 Halaulani Stream at altitude 400 feet near Kilauea, Kauai, HI
LOCATION - Lat 22°10'43.1", long 159°25'07.0" referenced to North American Datum of 1983, Kauai County, HI, Hydrologic Unit 20070000, on left bank 0.5 mi upstream from confluence with Pohakuhono Stream, and 2.3 mi south of Kilauea.
DRAINAGE AREA - 1.20 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.
- WSP 2137: Drainage Area. WDR HI-95-1: Drainage Area. WDR HI-10-1: Drainage Area.
PERIOD OF RECORD - November 1957 to current year.
GAGE - Water-stage recorder. Elevation of gage is 391.8 ft above mean sea level (by stadia survey).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,580 ft³/s, April 15, 2018, gage height, 10.18 ft; minimum, 1.8 ft³/s, September 6-8, 1968.