condition mean min max 4 h after light 1.415695 1.40821 1.42318 8 h after light 1.1645150000000002 1.10359 1.22544 12 h after light 1.24885 1.02685 1.47085 4 h after dark 1.5545849999999999 1.34994 1.75923 8 h after dark 1.1032739999999999 0.985868 1.22068 12 h after dark 1.468675 1.42403 1.51332