Task: Question Answering
Input (English): On Saturday , January 22 , 2005 , Dustin and I drove back up to the Boundary Waters to retrieve the rest of our camping gear , our snowshoes , and try to find my pack on the northern shore of Duncan Lake . We had planned on leaving Friday night , but the entire state of Minnesota was blanketed with at least a foot of snow . So we left Saturday afternoon instead .
Output (English): Why was it important to delay departure to Saturday afternoon ?