Peakflow Forecasts Header

TILTON--NEAR CINEBAR
   State:  Washington    County:  LEWIS
   Latitude:  46 36' 0" North    Longitude:  122 28' 0" West
   Elevation:  600 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.

TILTON--NEAR CINEBAR   (TILW1)
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 % 2.99 245 2025-05-18
90 % 3.07 272 2025-05-20
70 % 3.64 546 2025-06-01
50 % 4.05 814 2025-06-09
30 % 4.53 1202 2025-06-15
10 % 5.33 2044 2025-07-12
05 % 5.46 2203 2025-07-19

Peakflow exceedence plot for TILW1

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