Peakflow Forecasts Header

MOLALLA--NEAR CANBY
   State:  Oregon    County:  CLACKAMAS
   Latitude:  45 14' 40" North    Longitude:  122 41' 10" West
   Elevation:  94 feet
   Supporting WFO:  Portland    
   Action Stage:  18'   Flood Stage:  20'   Moderate Flood Stage:  22.4'
   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.

MOLALLA--NEAR CANBY   (CANO3)
Forecasts for Water Year 2026
Ensemble Date: 2026-08-16
 Forecast Period: August 16 to December 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 10.17 580 2026-10-19
90 % 10.84 1047 2026-10-28
70 % 13.01 3435 2026-11-10
50 % 14.23 5355 2026-11-19
30 % 15.01 6812 2026-11-25
10 % 17.29 11583 2026-11-29
05 % 19.11 16062 2026-11-30

Peakflow exceedence plot for CANO3

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