highest being 81.1 degrees Fahrenheit average temperature in the United States highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit Average summer temperatures highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit Average summer temperatures Average summer temperatures highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit Average summer temperatures highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit Summer High Temperatures by state highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit highest being 81.1 degrees Fahrenheit