condition mean min max 0 h after light 2.968355 2.81205 3.12466 4 h after light 40.5911 20.4159 60.7663 8 h after light 13.7453 13.1722 14.3184 4 h after dark 9.628309999999999 6.65342 12.6032 8 h after dark 9.44617 9.0639 9.82844 12 h after dark 8.683635 3.57417 13.7931