USGS Water-Year Summary 2024
12144000 SOUTH FORK SNOQUALMIE RIVER AT NORTH BEND, WA
LOCATION - Lat 47°29'35", long 121°47'20" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 sec.09, T.23 N., R.8 E., King County, WA, Hydrologic Unit 17110010, on right bank on upstream side of Bendigo Street crossing at North Bend, and at mile 2.0.
DRAINAGE AREA - 81.7 mi².
REVISIONS HISTORY - WSP 1316: 1918-19(M). WSP 1932: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1907 to September 1926, February 1929 to September 1938, June 1945 to April 1950, October 1960 to August 1974, February 1984 to current year. Monthly and yearly discharge only for water years 1908, 1910 and 1913, published in WSP 1316.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 423.01 ft above NGVD of 1929 (February 1984 through September 1996 incorrectly published as 439.33 ft). Prior to April 11, 1950, nonrecording gage or water-stage recorder at several sites within 0.5 mi upstream from present site at various datums. October 1, 1960 to March 10, 1965, at site 0.46 mi upstream at datum 1.86 ft lower. March 10, 1965, to August 31, 1974, at site 0.46 mi upstream at datum 6.86 ft lower.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Nov. 22, 1959, reached a stage of 14.49 ft, site and datum then in use, from floodmarks, discharge, 13,000 ft³/s, slope-area measurement.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 13,600 ft³/s, Nov. 6, 2006, gage height, 20.93 ft; minimum daily discharge, 65 ft³/s, Oct. 22, 1925.