Climate Recreation Community Catastrophe

Eden Index

Climate 8.0 Recreation 2.5 Community 3.1 Safeguard


Marana, Arizona is a vibrant town located in Pima County, in the southern part of the state. The town experiences a desert climate, characterized by hot summers and mild winters. Summers are scorching, with temperatures often exceeding 100°F (37.8°C), while winters are pleasantly mild, averaging around 60°F (15.6°C). Marana receives very little precipitation throughout the year, with an average annual rainfall of only about 12 inches (30.5 cm).

Hydrology constituents in Marana are primarily influenced by the Santa Cruz River, which flows through the town. The river serves as an important water source for the region and supports a diverse array of wildlife and vegetation.

Marana offers numerous outdoor recreation opportunities for nature enthusiasts. The Tortolita Mountains to the north provide excellent hiking and mountain biking trails, offering breathtaking views of the surrounding desert landscape. The Saguaro National Park, located just east of the town, is a must-visit destination, where visitors can explore the iconic Saguaro cacti forests and enjoy scenic drives and picnicking. Additionally, several golf courses, parks, and sports facilities cater to a variety of outdoor activities, ensuring residents and visitors can enjoy the beautiful Arizona weather.

What is the Eden Index?

The Snoflo Eden Index serves as a comprehensive rating system for regions, evaluating their desirability through a holistic assessment of climate health, outdoor recreation opportunities, and natural disaster risk, acknowledging the profound impact of these factors on livability and well-being.

Climate Health Indicator (CHI): 8.0

Marana receives approximately 270mm of rain per year, with humidity levels near 47% and air temperatures averaging around 22°C. Marana has a plant hardyness factor of 9, meaning plants and agriculture in this region tend to thrive here all year round. By considering the ideal temperature range, reliable water supplies, clean air, and stable seasonal rain or snowpacks, the Climate Health Indicator (CHI) underscores the significance of a healthy climate as the foundation for quality living.

A healthy climate is paramount for ensuring a high quality of life and livability in a region, fostering both physical well-being and environmental harmony. This can be characterized by ideal temperatures, reliable access to water supplies, clean air, and consistent seasonal rain or snowpacks.

Weather Forecast

Streamflow Conditions

Santa Cruz

Area Rivers

Santa Cruz

Snowpack Depths

Santa Cruz

Reservoir Storage Capacity

Santa Cruz

Groundwater Levels

Recreational Opportunity Index (ROI): 2.5

The Recreational Opportunity Index (ROI) recognizes the value of outdoor recreational options, such as parks, hiking trails, camping sites, and fishing spots, while acknowledging that climate plays a pivotal role in ensuring the comfort and consistency of these experiences. Access to outdoor recreational opportunities, encompassing activities such as parks, hiking, camping, and fishing, is crucial for overall well-being, and the climate plays a pivotal role in enabling and enhancing these experiences, ensuring that individuals can engage in nature-based activities comfortably and consistently.

Catastrophe Safeguard Index (CSI):

The Catastrophe Safeguard Index (CSI) recognizes that natural disaster risk, encompassing floods, fires, hurricanes, and tornadoes, can drastically affect safety and the overall appeal of an area. The level of natural disaster risk in a region significantly affects safety and the overall livability, with climate change amplifying these risks by potentially increasing the frequency and intensity of events like floods, fires, hurricanes, and tornadoes, thereby posing substantial challenges to community resilience and well-being.

Community Resilience Indicator (CRI): 3.1

The Community Resilience Indicator (CRI) recognizes that education, healthcare, and socioeconomics are crucial to the well-being of a region. The CRI acknowledges the profound impact of these elements on residents' overall quality of life. By evaluating educational resources, healthcare accessibility, and economic inclusivity, the index captures the essential aspects that contribute to a thriving community, fostering resident satisfaction, equity, and social cohesion.

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