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CLACKAMAS--AT ESTACADA
   State:  Oregon    County:  CLACKAMAS
   Latitude:  45 18' 0" North    Longitude:  122 21' 10" West
   Elevation:  297 feet
   Supporting WFO:  Portland    
   Action Stage:  18'   Flood Stage:  20'   Moderate Flood Stage:  23'
   Major Flood Stage:  25'

Forecasts are calculated from a forecast time series that approximates flow at a 6 hour time step interval. Observed instantaneous peaks can be higher than model forecast peaks.

CLACKAMAS--AT ESTACADA   (ESTO3)
Forecasts for Water Year 2025
Ensemble Date: 2025-05-12
 Forecast Period: May 12 to September 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 12.77 2378 2025-05-18
90 % 12.77 2378 2025-05-18
70 % 12.77 2378 2025-05-18
50 % 13.06 2834 2025-05-31
30 % 13.72 3974 2025-06-05
10 % 14.73 6284 2025-06-16
05 % 15.49 8532 2025-06-22

Peakflow exceedence plot for ESTO3

 Click to download runoff traces used in forecast.  Click for comma delimited data used in plot.csv icon