Tucson-- Magnetic Compass
The Magnetic Compass of a place changes over time. To find the magnetic compass of Tucson go to: National Geophysical Data Center http://www.ngdc.noaa.gov/geomagmodels/struts/calcPointIGRF
You can find magnetic compass for Tucson by entering in your zip code or the latitude and longitude for Tucson (32° 7' N 110° 56' W.)