Peakflow Forecasts Header

MF NOOKSACK--NEAR DEMING
   State:  Washington    County:  WHATCOM
   Latitude:  48 46' 45" North    Longitude:  122 6' 23" West
   Elevation:  580 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.

MF NOOKSACK--NEAR DEMING   (MFNW1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-14
Forecast Period: July 14 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 3.65 612 2025-08-13
90 % 3.84 769 2025-08-21
70 % 4.70 1666 2025-09-26
50 % 5.39 2674 2025-10-16
30 % 5.98 3768 2025-10-22
10 % 6.37 4791 2025-10-30
05 % 6.76 5979 2025-10-31

Peakflow exceedence plot for MFNW1

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