condition mean min max 4 h after light 0.0680758 0.0 0.108799 8 h after light 0.23882896666666667 0.0209779 0.356998 12 h after light 0.1662824333333333 0.0979473 0.222486 4 h after dark 0.633368 0.312221 0.931745 8 h after dark 0.16168553333333335 0.0 0.394025 12 h after dark 0.117875 0.0 0.215702