Organizers of the annual Vectren Dayton Air Show say attendance was down 15 percent amid the weekend's extreme heat and humidity.
A news release says an estimated 65,000 attended the show.
Officials with the air show said Monday that no other major problems were reported, though on Saturday, the show's general manager said that about a dozen people were treated for dehydration or heat exhaustion.
The Dayton Daily News reports lightning on Sunday forced one of show's headline performances to be cut short. The Air Force Thunderbirds ended their high-speed demonstration flights after a few initial fly-overs in F-16 fighters.