State: Washington County: KING Latitude: 47 24' 0" North Longitude: 121 57' 0" West Elevation: 566 feet Supporting WFO: Seattle NWS Official River Forecasts Click Here Action Stage: 3.5' Flood Stage: 5.7' Moderate Flood Stage: 6.5' Major Flood Stage: 7.5'
Record Stage: 13.55' Record Flow: 14200 cfs Date of Record: November 19, 1911
Daily Historical Flow Statistics for May 05
Mean Stage: 2.13 ft Mean Flow: 784 cfs Max Stage: 3.07 ft Max Flow: 1610 cfs (2012) Min Stage:  1.20 ft Min Flow: 278 cfs (1915)
Statistics based on water years: 1896-2020
The 4-10 Day Trend Forecast is based on model guidance only. Daily variation and uncertainty of forecasts during this period is high.