condition mean min max 4 h after light 797.3877225 723.924364 870.851081 8 h after light 905.4688475 736.554593 1074.383102 12 h after light 926.075954 880.758369 971.393539 4 h after dark 565.247596 400.462826 730.032366 8 h after dark 349.33588299999997 318.155134 380.516632 12 h after dark 723.924364 723.924364 723.924364