Daily wind speed always zero

Today i discovered that on Daily tab, wind speed shows always 0.
Mike, can you view this problem?
http://s7.postimg.org/mdrc6063r/wwl_problem_8.jpg

WWL version: 7.2.43

There is an issue with MPH to other wind unit translations. I’ll take a look at this issue and apply the needed fixes in Weather Watcher.