condition mean min max 0 h after light 3.986875 3.21493 4.75882 2 h after light 2.9881599999999997 2.81807 3.15825 4 h after light 2.822275 1.96961 3.67494 8 h after light 2.0699899999999998 1.45258 2.6874 12 h after light 9.4582 9.28317 9.63323 2 h after dark 11.2081 11.1707 11.2455 4 h after dark 8.851234999999999 8.81881 8.88366 8 h after dark 9.088935 8.58814 9.58973 12 h after dark 5.57305 5.56948 5.57662