Took a ride of about an hour yesterday on my Goldwing with lots of deflectors in place. It was in the low 40s and I was on the interstate running between 60-70 mph. The NWS chart lower end only reads temp of 40 and wind speed of 60 which equates to 25 degree wind chill. I suspect it was actually colder than that. I would have frozen stiff if I had been on my cruiser with the amount of updraft I get on it.