Update as we rode just north of Carefree into the wilderness. Here is a picture of the switchbacks into the northern route from carefree.
Then off to Bartlett lake
Temperature was 72 degrees up there and 84 degrees in the city. I do find when in heavy traffic on Scottsdale drive the engine heat becomes uncomfortable. I steadily average 40 mpg when riding through the city and quickly go up to 50 mpg once out and going in the rural areas.