condition mean min max 2 h after light 0.525724 0.202908 0.803842 6 h after light 0.6752941833333334 0.0940291 1.10287 10 h after light 1.3121695 0.884568 2.55446 14 h after light 1.7116168333333333 0.822258 3.15478 18 h after light 1.0477618333333334 0.524917 2.18224 2 h after dark 0.7966823333333333 0.0 1.5549