Peakflow Forecasts Header

SPOKANE--AT SPOKANE
   State:  Washington    County:  SPOKANE
   Latitude:  47 39' 34" North    Longitude:  117 26' 52" West
   Elevation:  1696 feet
   Supporting WFO:  Spokane    
   Action Stage:  26'   Flood Stage:  27'   Moderate Flood Stage:  29'
   Major Flood Stage:  30'

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.

SPOKANE--AT SPOKANE   (SPOW1)
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 % 22.92 13622 2025-05-14
90 % 22.92 13622 2025-05-14
70 % 22.92 13622 2025-05-14
50 % 22.92 13622 2025-05-14
30 % 23.10 14293 2025-05-28
10 % 24.51 19858 2025-06-09
05 % 24.62 20287 2025-06-15

Peakflow exceedence plot for SPOW1

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