condition mean min max 0 h after light 0.6667625 0.401388 0.932137 2 h after light 1.666355 1.46512 1.86759 4 h after light 0.6529615 0.548226 0.757697 8 h after light 0.0958995 0.0 0.191799 12 h after light 0.5064455 0.374478 0.638413 2 h after dark 0.095965 0.0 0.19193 4 h after dark 0.0 0.0 0.0 8 h after dark 0.70775 0.0 1.4155 12 h after dark 0.3941945 0.191385 0.597004