JOHNSON CREEK − AT SYCAMORE (SYCO3)
   State:  Oregon
   County:  Multnomah
   Latitude:  45 28' 40" North
   Longitude:  122 30' 24" West
   Elevation:  228 ft

   Supporting NWS Forecast Office: WFO Portland

   
Click for NWS Official River Forecasts for SYCO3

   Action Stage:  
10 ft
   Flood Stage:  
11 ft
   Major Flood Stage:  
14 ft
Daily Historical Statistics for July 19, 2024
Mean Stage: 1.30 ft  Mean Flow: 4 cfs
Max Stage: 2.87 ft  Max Flow: 82 cfs (1983)
Min Stage:  1.01 ft   Min Flow: 0 cfs (1941)

Statistics based on water years: 1941-2022
* statistics estimated based on current rating

Record Stage: 
15.33 ft
Record Flow: 
2620 cfs
Date of Record: 
December 22, 1964

The 4-10 Day Trend Forecast is based on model guidance and uncertainty during this period is greater.

Hydrograph plot for SYCO3


For Data Used In Plot   "label


Hydrograph plot for SYCO3


For Data Used In Plot   "label