Henry’s Fork, April 11th, 2023
The river below Ashton Dam is providing fishing with midge and BWO activity making for top water action during PMs. Flow is a bit below normal for the time of year. For browns and post spawning rainbows, try streamers around locations out of direct sunlight and during low light periods.
Headlines from Dr. Rob Van Kirk’s Henry’s Fork Drainage Snow-Water Equivalent Report filed Yesterday, April 10th
- Natural stream flow has increased 10% since Thursday due to snow melt but is still only 59% of average.
- At an outflow of 266 cfs, Island Park Reservoir is 88% full and filling very slowly.
At 9 degrees F above average, yesterday was the warmest day since last October 21.Based on updated data, SWE appears to have peaked for the year last Thursday at 117% of the average peak.Natural .
Rob Van Kirk, Ph.D.
Senior Scientist
P.O. Box 550
Ashton, ID 83420
208-881-3407 CELL