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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

Mean Number of Days with Measurable Snowfall > 0.1 inch

Mean Number of Days with Measurable Snowfall > 0.1 inch

Mean Number of Days with Measurable Snowfall > 1.0 inch

Mean Number of Days with Measurable Snowfall > 1.0 inch

Mean Number of Days with Measurable Snowfall > 10.0 inches

Mean Number of Days with Measurable Snowfall > 10.0 inches

Mean Number of Days with Measurable Snowfall > 5.0 inches

Mean Number of Days with Measurable Snowfall > 5.0 inches

Mean Number of Days with Temperature <= 32 Degrees Fahrenheit - Annual

Mean Number of Days with Temperature <= 32 Degrees Fahrenheit - Annual

Mean Number of Days with Temperature >= 90 Degree Fahrenheit - Annual

Mean Number of Days with Temperature >= 90 Degree Fahrenheit - Annual

Mean Relative Humidity - Annual

Mean Relative Humidity - Annual

Mean Total Cooling Degree Days - Annual

Mean Total Cooling Degree Days - Annual

Mean Total Precipitation - Annual

Mean Total Precipitation - Annual

Mean Total Snowfall - Annual

Mean Total Snowfall - Annual

Median Date of First Snowfall

Median Date of First Snowfall

Median Date of Last Snowfall

Median Date of Last Snowfall

Median First 32 Degree Fahrenheit Temperature in Autumn

Median First 32 Degree Fahrenheit Temperature in Autumn

Median Last 32 Degree Fahrenheit Temperature in Spring

Median Last 32 Degree Fahrenheit Temperature in Spring

Median Length of Freeze-Free Period - Annual

Median Length of Freeze-Free Period - Annual