condition mean min max 0 h after light 1.29611 1.27904 1.31318 2 h after light 4.15451 3.86132 4.4477 4 h after light 4.4611350000000005 4.44764 4.47463 8 h after light 17.46395 15.4345 19.4934 12 h after light 12.9845 12.1213 13.8477 2 h after dark 11.189039999999999 9.30928 13.0688 4 h after dark 5.324985 3.72632 6.92365 8 h after dark 3.11618 2.64529 3.58707 12 h after dark 2.255625 2.13601 2.37524