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Water-Year Summary for Site 14166000

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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
14166000 WILLAMETTE RIVER AT HARRISBURG, OR
LOCATION - Lat 44°16'14", long 123°10'21" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.16, T.15 S., R.4 W., Linn County, OR, Hydrologic Unit 17090003, on right bank, 75 ft north of intersection of First Street and Kesling Street in Harrisburg and at mile 161.0.
DRAINAGE AREA - 3,420 mi². approximately.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1944 to current year. Gage-height records collected at same site in 1927-28, 1931, 1934, are contained in reports of National Weather Service.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 288.39 ft above NGVD of 1929. Oct. 1 to Nov. 14, 1944, nonrecording gage at bridge 1,110 ft upstream at different datum. Nov. 15, 1944 to Aug. 15, 1973, at site 1,100 ft upstream at datum 2.00 ft higher.
REMARKS - Flow regulated by several reservoirs upstream from station. Many small diversions for irrigation upstream from station.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood stage of 20.5 ft was reached in December 1861 and 20.1 ft in February 1890 (information from U.S. Army Corps of Engineers). Flood of Jan. 1, 1943, reached a stage of 19.1 ft (information from National Weather Service).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 210,000 ft³/s Dec. 29, 1945, gage height, 19.69 ft, from rating curve extended above 115,000 ft³/s; minimum discharge, 1,990 ft³/s Oct. 30, 1944.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - WATER TEMPERATURE: June 1961 to September 1987, October 2000 to current year.
INSTRUMENTATION - Temperature probe and data logger.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 24.0°C Aug. 12, 1973; minimum, 0.0°C Jan. 8, 9, 1973.