condition mean min max 0 h after light 9.52431 7.41092 11.6377 2 h after light 21.803350000000002 21.0122 22.5945 4 h after light 17.6783 17.029 18.3276 8 h after light 11.08905 10.3217 11.8564 12 h after light 14.2984 12.3788 16.218 2 h after dark 9.452935 8.37137 10.5345 4 h after dark 6.680210000000001 6.27334 7.08708 8 h after dark 10.646640000000001 8.75618 12.5371 12 h after dark 14.9788 13.1362 16.8214