condition mean min max 0 h after light 4.70684 4.60924 4.80444 2 h after light 2.586755 2.05219 3.12132 4 h after light 1.750035 1.63545 1.86462 8 h after light 1.80922 1.43559 2.18285 12 h after light 2.004195 1.83703 2.17136 2 h after dark 3.006795 2.4103 3.60329 4 h after dark 3.36748 3.30498 3.42998 8 h after dark 4.92442 4.69058 5.15826 12 h after dark 4.624745000000001 4.21724 5.03225