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Water-Year Summary for Site 16275000

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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2021
16275000 Heeia Stream at Haiku Valley near Kaneohe, Oahu, HI
LOCATION - Lat 21°24'33.15", long 157°49'23.63" referenced to North American Datum of 1983, Honolulu County, HI, Hydrologic Unit 20060000, on left bank, 1.7 mi west of Kaneohe Post Office, and 1.8 mi southwest of Heeia.
DRAINAGE AREA - 0.96 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 935: 1940. WSP 1319: 1916-19(M). WSP 1569: Drainage Area. WSP 1719: 1942-43, 1946(M), 1947, 1949, 1951, 1954(M), 1955, 1957-59. WSP 1937: 1940-45(M), 1947(M), 1948-50(P), 1951, 1952(P), 1953(M), 1955-57(P), 1958-59, 1960(M). WDR HI-10-1: Drainage Area. WDR HI-13-1: Drainage Area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1914 to October 1919, July 1939 to September 1977, October 1982 to current year. Prior to October 2012, published as Haiku Stream near Kaneohe, Oahu, HI.
GAGE - Water-stage recorder. Datum of gage is 271.9 ft above mean sea level (levels by City and County of Honolulu). Prior to April 28, 1914, nonrecording gage and April 28, 1914 to October 25, 1919, water-stage recorder, at same site at different datums.
REMARKS - Water has been diverted from tunnel into Heeia basin since 1943.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,740 ft³/s, May 2, 1965, gage height, 7.94 ft, from rating curve extended above 57 ft³/s on basis of slope-area measurements at gage heights 3.87 ft, 3.88 ft, and 7.94 ft; minimum, 0.20 ft³/s, July 20, 1957, September 17, 1961.