
Did you know that in the Flagstaff area, summertime high temperatures peak and begin to fall in the first week of July, but nighttime lows peak in the last week of July?
This chart from the Western Region Climatology Center shows temp and precip averages of the last 30 years in Ft Valley. Fortunately, it is much more legible at the website.
Way over 200 more weather recording stations around Arizona are available in this and other interesting formats.
You can also click your way to this data via the National Weather Service-Flagstaff link.