condition mean min max 0 h after light 13.9155 12.7486 15.0824 4 h after light 8.697330000000001 8.53621 8.85845 8 h after light 8.2424 7.4156 9.0692 4 h after dark 7.1076999999999995 6.40483 7.81057 8 h after dark 9.90658 9.88811 9.92505 12 h after dark 12.14405 11.9204 12.3677