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Water-Year Summary for Site 12142000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
12142000 NORTH FORK SNOQUALMIE RIVER NEAR SNOQUALMIE FALLS, WA
LOCATION - Lat 47°36'54", long 121°42'44" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 sec.31, T.25 N., R.9 E., King County, WA, Hydrologic Unit 17110010, on left bank 0.6 mi upstream from Calligan Creek, 7.0 mi northeast of town of Snoqualmie Falls, and at mile 9.2.
DRAINAGE AREA - 64 mi².
REVISIONS HISTORY - WSP 1346: 1930-31(M), 1932, 1935, 1936-37(M), 1938, 1939-42(M), 1944, 1945-46(P), 1947, 1948(P), 1949(M). WSP 1736: 1932-34(M), 1935, 1938(M), 1943-45(M), 1947(M), drainage area. WSP 1932: 1950-54(M), 1956-57(M), 1959(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1929 to October 1949, water years 1950-54, 56-57, 59-60 (annual maximum), February 1961 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 1,130 ft above NGVD of 1929, from topographic map. Prior to Oct. 19, 1949, water-stage recorder, and October 1949 to February 1961, crest-stage gage, at site 1,500 ft downstream at different datum.
REMARKS - No regulation or diversion upstream from station. Daily water temperatures June 1979 to August 1980. U.S. Geological Survey satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 17,100 ft³/s, Jan. 7, 2009, gage height, 13.42 ft; minimum daily discharge, 24.4 ft³/s, Sept. 17, 2023.