condition mean min max 0 h after light 11.48815 10.9142 12.0621 4 h after light 8.58745 8.05624 9.11866 8 h after light 3.27033 2.61413 3.92653 4 h after dark 8.0042 7.18433 8.82407 8 h after dark 6.00108 5.48751 6.51465 12 h after dark 11.1173 10.111 12.1236