I'm having the same problem. Several times today since upgrading to 1045, my wind graph looked like this:
Capture.JPG
Then I shut down Cumulus and re-start, which seems to temporarily fix the odd spikes:
Capture2.JPG
But after a little whille, the odd spikes return.
One other thing: the gusts shown in the graph don't accurately reflect my actual gusts. I've had several gusts today in the teens, as high as 17 mph, but the graphs (both the odd one and the more correct-looking one) don't show anything over 10 mph.
-Tom
Edit: I can see the odd spikes returning again, just a few minutes after I posted the above message.
Capture3.JPG
You do not have the required permissions to view the files attached to this post.