Hourly Weather - Hallein, Austria

A pair of manatees stick their snouts out of the water near NASA's Kennedy Space Center in Brevard County, Florida. (Don Emmert/AFP/Getty Images) At a Glance Deaths are three times higher than average.For most, the cause is unkown.Experts haven't been able to examine as many of them as they usually do. More than 350 manatee deaths have been recorded in Florida so far this year, three times the usual average for the same time period. State officials are investigating, but...