condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.29757700000000004 0.0 0.600508 4 h after dark 0.14960166666666666 0.0 0.448805 8 h after dark 0.0 0.0 0.0 12 h after dark 0.258708 0.0 0.776124