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
2026
Ensemble Date: 2026-04-18
Forecast Period: April 18 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 6.92 1463 2026-04-24
90 % 6.92 1463 2026-04-24
70 % 6.92 1463 2026-04-24
50 % 6.92 1463 2026-04-24
30 % 6.92 1463 2026-04-24
10 % 7.19 1709 2026-05-02
05 % 8.08 2686 2026-05-18

Peakflow exceedence plot for SATI1

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