CUSHING — As summer begins in Oklahoma, and the temperatures reach over 100 degrees, the local aquatic areas finally open for the season.The Aquatic Center, located on the westside of the Cushing Memorial Park opens during Memorial Day weekend. The hours are 1 p.m. to 5:30 p.m. Day swim passes cost $3 for ages 6 and under and $5 for ages 7 and over.On Fridays and Saturdays, fami...