condition mean min max 3 h after light 10.842843333333333 9.29835 13.3776 6 h after light 15.1791 11.0964 20.4391 9 h after light 23.504166666666666 18.8433 27.5715 12 h after light 33.5130675 7.63487 47.2028 3 h after dark 25.27446666666667 20.1358 29.0831 6 h after dark 15.8215 14.8397 16.848 9 h after dark 7.70186 4.66326 10.4346 12 h after dark 3.81101 2.23273 5.38929