Monthly chart of when American shad is caught on the Columbia River. Based on 2 fishing reports.
Chart showing the time when American shad bites most actively on the Columbia River
The chart shows the most suitable temperature for catching American shad on the Columbia River
How wind speed on the Columbia River affects bite activity
How American shad responds to pressure on the Columbia River
Which wind direction American shad prefers
Under what weather conditions American shad bites on the Columbia River