condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.024466733333333334 0.0 0.0734002 12 h after light 0.0 0.0 0.0 3 h after dark 0.0272298 0.0 0.0816894 6 h after dark 0.08525266666666666 0.0 0.255758 9 h after dark 0.02876983333333333 0.0 0.0863095 12 h after dark 0.039953666666666665 0.0 0.119861