Peakflow Forecasts Header

NORTH SANTIAM--DETROIT DAM
   State:  Oregon    County:  MARION
   Latitude:  44 43' 19" North    Longitude:  122 14' 54" West
   Elevation:  1570 feet
   Supporting WFO:  Portland    
   Inflow Data  

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.

NORTH SANTIAM--DETROIT DAM   (DETO3)
Forecasts for Water Year
2026
Ensemble Date: 2026-06-14
Forecast Period: June 14 to October 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 780 2026-06-14
90 % 780 2026-06-14
70 % 833 2026-06-27
50 % 891 2026-07-20
30 % 1067 2026-09-18
10 % 1536 2026-09-26
05 % 1962 2026-10-01

Peakflow exceedence plot for DETO3

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