condition mean min max 0 h after light 5.699355000000001 5.17949 6.21922 2 h after light 19.715899999999998 17.9609 21.4709 4 h after light 8.051355000000001 8.00618 8.09653 8 h after light 3.2870299999999997 2.45942 4.11464 12 h after light 5.3297799999999995 5.20204 5.45752 2 h after dark 1.805895 1.56088 2.05091 4 h after dark 2.9190899999999997 2.58323 3.25495 8 h after dark 2.660845 1.51256 3.80913 12 h after dark 5.38641 3.615 7.15782