Peakflow Forecasts Header

MCKAY CREEK--NEAR PILOT ROCK
   State:  Oregon    County:  UMATILLA
   Latitude:  45 32' 57" North    Longitude:  118 46' 23" West
   Elevation:  1343 feet
   Supporting WFO:  Pendleton    

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.

MCKAY CREEK--NEAR PILOT ROCK   (MYKO3)
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 % 2.52 21 2025-05-13
90 % 2.52 21 2025-05-13
70 % 2.52 21 2025-05-13
50 % 2.52 21 2025-05-13
30 % 2.52 21 2025-05-13
10 % 3.30 148 2025-06-04
05 % 3.79 297 2025-06-12

Peakflow exceedence plot for MYKO3

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