Peakflow Forecasts Header

PALOUSE--AT HOOPER
   State:  Washington    County:  WHITMAN
   Latitude:  46 46' 0" North    Longitude:  118 9' 0" West
   Elevation:  1041 feet
   Supporting WFO:  Spokane    

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.

PALOUSE--AT HOOPER   (HOPW1)
Forecasts for Water Year
2026
Ensemble Date: 2026-04-15
Forecast Period: April 15 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 8.68 2530 2026-04-16
90 % 8.68 2530 2026-04-16
70 % 8.68 2530 2026-04-16
50 % 8.68 2530 2026-04-16
30 % 8.68 2530 2026-04-16
10 % 10.59 4527 2026-05-03
05 % 12.29 7220 2026-05-21

Peakflow exceedence plot for HOPW1

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