condition mean min max 0 h after light 10.48715 10.2407 10.7336 4 h after light 6.76173 3.62835 9.89511 8 h after light 8.5243 7.78742 9.26118 4 h after dark 5.2782 3.72938 6.82702 8 h after dark 7.166175 6.41326 7.91909 12 h after dark 7.910539999999999 4.69358 11.1275