condition mean min max 2 h after light 4.834085 2.18613 9.02209 6 h after light 6.053566666666667 3.47372 11.7989 10 h after light 7.429483333333334 4.10245 11.6327 14 h after light 7.276628333333333 3.74951 10.6616 18 h after light 6.2363 2.26189 16.6844 2 h after dark 7.33571 3.63788 17.7165