Peakflow Forecasts Header

NF SKOKOMISH--BELOW STAIRCASE RAPIDS NEAR HOODSPORT
   State:  Washington    County:  MASON
   Latitude:  47 30' 52" North    Longitude:  123 19' 43" West
   Elevation:  762 feet
   Supporting WFO:  Seattle    

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.

NF SKOKOMISH--BELOW STAIRCASE RAPIDS NEAR HOODSPORT   (SKOW1)
Forecasts for Water Year
2024
Ensemble Date: 2024-04-25
Forecast Period: April 25 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.49 951 2024-04-26
90 % 4.49 951 2024-04-26
70 % 4.52 982 2024-05-07
50 % 4.74 1212 2024-05-20
30 % 4.95 1452 2024-06-07
10 % 5.68 2467 2024-06-30
05 % 5.89 2775 2024-07-12

Peakflow exceedence plot for SKOW1

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