condition mean min max 2 h after light 0.2300915 0.0 0.607625 6 h after light 0.16893495 0.0 0.352238 10 h after light 0.5010166666666667 0.0 0.775728 14 h after light 0.4107938333333333 0.12173 0.570216 18 h after light 0.5457181666666666 0.332405 0.791976 2 h after dark 0.483068 0.171504 0.698626