It looks like you are using the lemniscate boundary as a baseline and midpoint for each segment. What if the line segments only extended outward from the lemniscate baseline. Would this make the comparison between two segments easier and more visually consistent? It would get closer to the benefits of a traditional bar graph.

You may also be able to add another data set to the inside of the chart. The biggest challenge would be the center point at which the lines overlap.

… but just a thought.

Anyone interested in the concept of time can take a look at my blog:

http://galsys.co.uk/news/

Of course, as your cyclical chart shows drink driving increases during the night and falls during the day, but you fail to figure the chaotic nature of cyclical systems. For instance on New Year’s day (due to late night drinking) the cyclical chart for that day will be far different to a ‘normal’ day. And there will be many of these exceptional periods, which will skew averages and the shape of any cyclical diagram. (burglaries for instance, rise several fold during vacation seasons etc where daylight robbery becomes more prevalent as people are leave homes empty).

“In the bright front she exhibits on the one hand colour photographs which reveal a certain motion in time (just under one second), and on the other black and white stills of discrete moments (a few fractions of a second). What the images have in common is how they reveal the eternal flux of a metamorphosing form, which otherwise (without the motions of the body) would simply remain static.