PRESS PHOTOS BY BILL LEINER JR. The Northampton Borough Municipal Pool begins to fill with patrons as the temperature reaches 91 degrees on the pool's opening day, June 5.

Ready, set, jump! A swimmer takes a running start off the high dive.

Concession stand workers Kayla Ruff and Mason Humphrey prepare for a busy day.

Jacob Kerchner, borough pool lifeguard, keeps a careful eye on swimmers, making sure everyone is safe. Kerchner said he is grateful for the opportunity to be a lifeguard. He stayed cool from the heat by sitting under an umbrella and wearing a hat and sunglasses.