condition mean min max 4 h after light 3.1954599999999997 1.85632 4.32906 8 h after light 3.1260296666666667 0.705189 5.55155 12 h after light 3.67509 3.00409 4.27701 4 h after dark 8.948953333333334 6.69579 11.6225 8 h after dark 11.6647 10.3324 13.633 12 h after dark 8.09352 7.90357 8.35364