condition mean min max 4 h after light 2.366365 1.72824 3.00449 8 h after light 2.187605 1.58754 2.78767 12 h after light 5.396675 4.11495 6.6784 4 h after dark 6.2710550000000005 5.38677 7.15534 8 h after dark 5.368065 4.11416 6.62197 12 h after dark 5.20469 4.49629 5.91309