condition mean min max 3 h after light 5.716046666666667 5.06275 6.86608 6 h after light 7.20319 5.45613 9.40607 9 h after light 9.023666666666667 7.01866 11.6668 12 h after light 9.5255375 8.39903 11.5267 3 h after dark 11.915799999999999 11.6052 12.4163 6 h after dark 9.338573333333333 8.41921 10.6519 9 h after dark 8.04163 5.96322 9.40626 12 h after dark 7.862355 7.81293 7.91178