condition mean min max 2 h after light 10.803866666666666 10.2153 11.4238 6 h after light 15.702 14.6687 16.3624 10 h after light 18.951633333333334 18.5472 19.5171 2 h after dark 21.231066666666667 18.6953 23.381 6 h after dark 24.415300000000002 23.4841 25.4556 10 h after dark 26.2898 21.9887 29.6141