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METHOW--NEAR PATEROS
   State:  Washington    County:  OKANOGAN
   Latitude:  48 4' 23" North    Longitude:  119 59' 27" West
   Elevation:  900 feet
   Supporting WFO:  Spokane    
   Action Stage:  9'   Flood Stage:  10'   Moderate Flood Stage:  11'
   Major Flood Stage:  12'

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.

METHOW--NEAR PATEROS   (PATW1)
Forecasts for Water Year 2025
Ensemble Date: 2025-05-14
 Forecast Period: May 14 to September 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 5.41 4644 2025-05-15
90 % 5.41 4644 2025-05-15
70 % 5.41 4644 2025-05-15
50 % 5.42 4660 2025-05-21
30 % 5.62 5048 2025-05-29
10 % 5.92 5680 2025-06-04
05 % 6.09 6050 2025-06-13

Peakflow exceedence plot for PATW1

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