condition mean min max 0 h after light 138.61399999999998 138.165 139.063 4 h after light 452.38800000000003 427.598 477.178 8 h after light 605.5840000000001 589.36 621.808 4 h after dark 327.451 319.047 335.855 8 h after dark 237.476 227.206 247.746 12 h after dark 180.37900000000002 131.464 229.294