condition mean min max 4 h after light 0.0088934 0.0 0.0177868 8 h after light 0.03157915 0.0243091 0.0388492 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.06320216666666667 0.0 0.106594 12 h after dark 0.016559866666666666 0.0 0.0496796