Air/Foam Hybrid Collars. The Air/Foam hybrid melds characteristics of air-holding and foam-insert collars. The key to the hybrid is the inflatable bladder that is compressed between the hull and the foam. By inflating the bladder the foam is forced away from the hull bringing the polyurethane sheath around the foam under tension.
Arizona heat facts. The highest temperature Phoenix has ever endured was 122 degrees back on June 26th, 1990. Even more amazing is the fact that our hottest overnight low was 96 degrees on July 15th, 2003. Phoenix's longest streak of temperatures at 110 degrees or hotter was 18 days in 1974.
The highest temperature ever recorded in Phoenix was 122 degrees, on June 26, 1990. The city averages about 90 days of 100-plus temperatures a year. When the real heat hits, the comforts of air-conditioning can require a premium.