If you've lately found yourself often saying, "Wow, it's really hot!"—you ain't kidding. The National Climatic Data Center reports that 2012 is officially the hottest year on record so far for the US. This summer was only the third-hottest on record, CNN reports, but consider that we'd already lived through the hottest spring and the hottest July on record. On average, temperatures around the country are 4 degrees Fahrenheit above average this year. (Click to find out which US location has the dubious honor of posting the hottest temperature ever recorded, a balmy 134 degrees.)