condition mean min max 0 h after light 1.577845 1.20686 1.94883 2 h after light 9.318755 8.74562 9.89189 4 h after light 13.072600000000001 12.0989 14.0463 8 h after light 84.17605 73.5359 94.8162 12 h after light 36.344750000000005 32.2488 40.4407 2 h after dark 8.324015 8.28949 8.35854 4 h after dark 5.356395 3.21623 7.49656 8 h after dark 3.0940250000000002 2.85614 3.33191 12 h after dark 1.7727 1.40538 2.14002