Temperature Records—Tucson
The National Weather Service maintains temperature records of extreme and normal temperatures in Tucson. Extreme temperature records are available from 1895-present, and normal temperature records are available for 1981-present. To access this information, visit the National Weather Service website at:
http://www.wrh.noaa.gov/twc/climate/tus.php
Source:
"National Weather Service - NWS Tucson." National Weather Service - Western Region Headquarters. http://www.wrh.noaa.gov/twc/climate/tus.php (accessed August 13, 2011).