condition mean min max 0 h after light 0.5289 0.384218 0.673582 4 h after light 0.2415135 0.189409 0.293618 8 h after light 0.285094 0.0 0.570188 4 h after dark 0.519604 0.378843 0.660365 8 h after dark 0.3334984 0.0946018 0.572395 12 h after dark 0.617248 0.563017 0.671479