condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.34863 0.194746 0.502514 8 h after light 0.8330645 0.69334 0.972789 4 h after dark 0.156922 0.062571 0.251273 8 h after dark 0.15739399999999998 0.12655 0.188238 12 h after dark 0.0311191 0.0 0.0622382