Peakflow Forecasts Header

MIDDLE SANTIAM--GREEN PETER DAM
   State:  Oregon    County:  LINN
   Latitude:  44 27' 15" North    Longitude:  122 33' 0" West
   Elevation:  1015 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.

MIDDLE SANTIAM--GREEN PETER DAM   (GPRO3)
Forecasts for Water Year
2022
Ensemble Date: 2021-12-07
Forecast Period: December 7 to April 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 9779 2021-12-12
90 % 9779 2021-12-12
70 % 14160 2021-12-29
50 % 18181 2022-01-15
30 % 23749 2022-02-11
10 % 30666 2022-03-19
05 % 31992 2022-03-29

Peakflow exceedence plot for GPRO3

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