condition mean min max 4 h after light 2.7136899999999997 1.76438 3.663 8 h after light 1.4972599999999998 1.29659 1.69793 12 h after light 1.1296445 0.886879 1.37241 4 h after dark 4.82822 4.21232 5.44412 8 h after dark 3.83588 3.73008 3.94168 12 h after dark 3.663075 3.18667 4.13948