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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.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
12141300 MIDDLE FORK SNOQUALMIE RIVER NEAR TANNER, WA
LOCATION - Lat 47°29'10", long 121°38'48" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.10, T.23 N., R.9 E., King County, WA, Hydrologic Unit 17110010, on left bank 0.7 mi downstream from Granite Creek, 6.4 mi east of North Bend, and at mile 55.6.
DRAINAGE AREA - 154 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 1961 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 780 ft above NGVD of 1929 (from topographic map) and is 784.61 ft above NAVD of 1988 (USGS GNSS survey Nov. 6, 2022).
REMARKS - No regulation or diversion upstream from station. Water temperatures June 1979 to September 1980. U.S. Geological Survey satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Nov. 23, 1959, reached a stage of 18.7 ft from floodmarks, discharge, 49,000 ft³/s, by slope-area measurement at site 6 mi downstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 31,700 ft³/s, Nov. 6, 2006, gage height, 15.32 ft; minimum daily discharge, 85.5 ft³/s, Oct. 17, 2022.
