condition mean min max 0 h after light 2.5584 2.20956 2.90724 2 h after light 1.840355 1.47566 2.20505 4 h after light 2.201075 1.99562 2.40653 8 h after light 3.540945 2.53543 4.54646 12 h after light 4.10809 3.45206 4.76412 2 h after dark 3.1543099999999997 3.02283 3.28579 4 h after dark 4.09171 3.77542 4.408 8 h after dark 3.382835 3.03752 3.72815 12 h after dark 3.33664 3.14478 3.5285