condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.04829 0.0 0.14487 12 h after light 0.09904666666666667 0.0 0.169102 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.026457599999999998 0.0 0.0793728