condition mean min max 3 h after light 0.499062 0.416967 0.563864 6 h after light 0.22451316666666668 0.0854235 0.323647 9 h after light 0.1259359 0.0850917 0.160675 12 h after light 0.255759175 0.0472437 0.575824 3 h after dark 0.259536 0.159597 0.389154 6 h after dark 0.378846 0.316693 0.435616 9 h after dark 0.5402556666666667 0.294647 0.696139 12 h after dark 0.6656785000000001 0.621711 0.709646