Peakflow Forecasts Header

CISPUS--NEAR RANDLE
   State:  Washington    County:  LEWIS
   Latitude:  46 26' 38" North    Longitude:  121 50' 28" West
   Elevation:  1260 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.

CISPUS--NEAR RANDLE   (CIYW1)
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 % 14.88 1211 2025-05-24
90 % 14.96 1264 2025-05-26
70 % 15.23 1470 2025-06-01
50 % 15.50 1708 2025-06-04
30 % 15.78 1978 2025-06-11
10 % 16.38 2660 2025-06-27
05 % 16.61 3051 2025-06-29

Peakflow exceedence plot for CIYW1

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