USGS Water-Year Summary 2024
16717000 Honolii Stream near Papaikou, HI
LOCATION - Lat 19°45'51.6", long 155°09'06.6" referenced to North American Datum of 1983, Hawaii County, HI, Hydrologic Unit 20010000, on left bank 0.7 mi downstream from Pohakupaa Stream, 4.1 mi west of Papaikou, and 4.8 mi northwest of Hilo Post Office.
DRAINAGE AREA - 12.04 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 - WDR HI-95-1: 1967-90 (maximum, 1988-90 (m), 1988-90). WDR HI-10-1: Drainage Area. Discharge data revised December 3 and 16, 2021, and January 28, 2022 on October 18, 2022.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1911 to March 1913 (published as "at Kaiwiki, near Hilo"), February 1967 to current year.
GAGE - Water-stage recorder. Elevation of gage is 1,540 ft above mean sea level (from topographic map). Prior to August 27, 1911, nonrecording gage and August 27, 1911 to March 24, 1913, water-stage recorder, at site 0.5 mi upstream at different datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 22,600 ft³/s, May 23, 1978, gage height, 20.00 ft, from floodmarks and from rating curve extended above 4,610 ft³/s on basis of slope-area measurement at gage height 20.00 ft; minimum, 0.8 ft³/s, January 31, 1912. Minimum discharge since February 1967 (period of no diversions), 1.0 ft³/s, February 22-28, 1980.