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All data are in shapefile format, NAD83, UTM Zone 12, and meters projection and includes FGDC compliant metadata. The data available consists of geospatial data previously available to download from the Arizona Electronic Atlas and the Arizona Historic Census GeoDatabase. Additional data not previously available include US Forest Service Roads, Land Ownership, and various Heath and Crime data.

The data is arranged in categories on the left side of the screen. Just click on a category and you’ll see data that’s in that category or you can view all data. The data is organized first by category and then within each category alphabetically. Each listing includes a link to view the metadata, a thumbnail and full image of the data, and a link to download the data.

The Atlas provides downloadable maps to the university and to the public. The Arizona Board of Regents on behalf of the University of Arizona does not guarantee the accuracy, completeness, or timeliness of the information provided for download and shall not be liable for any loss or injury resulting from reliance upon the information shown.

Title Shapefile Image

Date of Extreme Earliest Snowfall

Date of Extreme Earliest Snowfall

Date of Extreme Latest Snowfall

Date of Extreme Latest Snowfall

Extreme First 32 Degree Fahrenheit Temperature in Autumn

Extreme First 32 Degree Fahrenheit Temperature in Autumn

Extreme Last 32 Degree Fahrenheit Temperature in Spring

Extreme Last 32 Degree Fahrenheit Temperature in Spring

Mean Daily Average Temperature - Annual

Mean Daily Average Temperature - Annual

Mean Daily Maximum Temperature - Annual

Mean Daily Maximum Temperature - Annual

Mean Daily Minimum Temperature - Annual

Mean Daily Minimum Temperature - Annual

Mean Daily Temperature Range - Annual

Mean Daily Temperature Range - Annual

Mean Dew Point Temperature - Annual

Mean Dew Point Temperature - Annual

Mean First 32 Degree Fahrenheit Temperature in Autumn

Mean First 32 Degree Fahrenheit Temperature in Autumn

Mean Heating Degree Days - Annual

Mean Heating Degree Days - Annual

Mean Last 32 Degree Fahrenheit Temperature in Spring

Mean Last 32 Degree Fahrenheit Temperature in Spring

Mean Length of Freeze-Free Period - Annual

Mean Length of Freeze-Free Period - Annual

Mean Maximum Daily Snowfall - Annual

Mean Maximum Daily Snowfall - Annual

Mean Number of Days with Measurable Precipication - Annual

Mean Number of Days with Measurable Precipication - Annual