condition mean min max 0 h after light 6.029695 4.43367 7.62572 4 h after light 4.190049999999999 2.12097 6.25913 8 h after light 7.159414999999999 5.75336 8.56547 4 h after dark 12.10615 10.917 13.2953 8 h after dark 9.57471 6.69912 12.4503 12 h after dark 5.60172 4.88045 6.32299