condition mean min max 3 h after light 0.169264 0.0 0.263219 6 h after light 0.11029533333333334 0.0 0.169211 9 h after light 0.376844 0.0 0.749506 12 h after light 0.04483 0.0 0.17932 3 h after dark 0.06595133333333333 0.0 0.197854 6 h after dark 0.11395033333333333 0.0 0.341851 9 h after dark 0.072812 0.0 0.218436 12 h after dark 0.0979665 0.0 0.195933