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Water-Year Summary for Site 16414200

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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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
16414200 Kaunakakai Gulch at altitude 75 feet, Molokai, HI
LOCATION - Lat 21°05'47.5", long 157°01'04.3" referenced to North American Datum of 1983, Maui County, HI, Hydrologic Unit 20050000, on left bank 0.7 mile upstream of Highway 46, and 0.4 mile northeast of Kaunakakai Post Office. The current site (16414200) Kaunakakai Gulch at altitude 75 feet is 0.7 mi downstream of abandoned site Kaunakakai Gulch at Kaunakakai (16414000).
DRAINAGE AREA - 7.31 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-12-1: Drainage Area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2001 to September 2002 (annual maximum), February 2003 to current year.
GAGE - Water stage recorder. Elevation of gage is 75 feet above mean sea level (from topographic map).
REMARKS - No diversions upstream. Flow has been augmented by occasional spillage from Molokai Tunnel since February 2003.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,040 ft³/s, January 29, 2014, gage height, 8.87 ft; no flow on many days.