Peakflow Forecasts Header

ST MARIES--NEAR SANTA
   State:  Idaho    County:  BENEWAH
   Latitude:  47 10' 35" North    Longitude:  116 29' 30" West
   Elevation:  2172 feet    Gage Datum:  2574
   Supporting WFO:  Spokane    

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.

ST MARIES--NEAR SANTA   (SATI1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-11
Forecast Period: July 11 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.28 106 2025-08-04
90 % 4.34 118 2025-08-22
70 % 4.47 148 2025-09-15
50 % 4.54 166 2025-10-06
30 % 4.62 188 2025-10-23
10 % 4.88 268 2025-10-31
05 % 5.00 310 2025-11-01

Peakflow exceedence plot for SATI1

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