condition mean min max 0 h after light 10.91835 10.877 10.9597 4 h after light 16.960549999999998 16.4914 17.4297 8 h after light 24.83255 24.1075 25.5576 4 h after dark 22.81175 22.6186 23.0049 8 h after dark 19.3516 18.7386 19.9646 12 h after dark 13.1578 11.2728 15.0428