condition mean min max 3 h after light 1.438671 0.521173 1.92757 6 h after light 1.2199280000000001 0.776918 2.06272 9 h after light 1.2561796666666667 0.323112 2.93337 12 h after light 10.74798 4.35544 14.122 3 h after dark 53.10816666666666 47.3931 60.9377 6 h after dark 51.9203 50.7065 52.9155 9 h after dark 34.3842 28.2381 40.34 12 h after dark 10.687076666666666 5.93596 20.0502