condition mean min max 3 h after light 0.08513333333333334 0.0 0.2554 6 h after light 0.05229066666666667 0.0 0.156872 9 h after light 0.061618 0.0 0.184854 12 h after light 0.0 0.0 0.0 3 h after dark 0.06398933333333333 0.0 0.191968 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.148029 0.0 0.296058