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: 2025-06-30
Forecast Period: June 30 to October 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 2.53 107 2025-07-14
90 % 2.61 126 2025-07-19
70 % 2.96 233 2025-08-27
50 % 3.21 332 2025-09-18
30 % 3.52 484 2025-09-24
10 % 4.17 903 2025-09-30
05 % 4.37 1063 2025-10-01

Peakflow exceedence plot for TILW1

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