condition mean min max 0 h after light 11.37265 10.9769 11.7684 2 h after light 6.819520000000001 5.92752 7.71152 4 h after light 6.456285 6.36047 6.5521 8 h after light 6.749455 6.07683 7.42208 12 h after light 8.126675 7.6504 8.60295 2 h after dark 8.2472 8.02996 8.46444 4 h after dark 7.766655 5.96538 9.56793 8 h after dark 9.166995 9.06627 9.26772 12 h after dark 10.23679 9.55068 10.9229