so many here have said, well I rode my corse I always ride XXmph on with my race wheels and I went Y seconds faster...

and here I (and others) have said that those kinds of test don't really mean much without knowing environmental conditions.

Well, I have been working on several things lately and one of the ways I have been improving my estimates of CdA from field testing is not taking our local weather data as fact but actually measuring it locally.

Here I have (and will continue to) posted weather data from our local bi-weekly TT series.

wattagetraining.com/blog/

here is the plot of last nights wind (think start times mattered in results?):



g

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greg
www.wattagetraining.com