Samantha is tracking her water intake for a week. On Monday, she drank 2 liters of water in the morning and 1.5 liters in the evening. On Tuesday, she drank twice as much as she did on Monday. She didn’t drink any water on Wednesday. On Thursday, she drank 1 liter in the morning and 0.5 liters in the evening. On Friday, she drank an amount equal to her total intake from Monday to Thursday combined. What was her average daily water intake for the week? Let's think step by step and output the final answer within \boxed{}.
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