Climate Recreation Community Catastrophe

Eden Index

Climate 8.3 Recreation 6.9 Community 4.5 Safeguard


Washington, D.C., the capital of the United States, experiences a humid subtropical climate characterized by four distinct seasons. Summers are hot and humid, with temperatures averaging around 85°F (29°C), and occasional thunderstorms. Winters are cold, with average temperatures around 40°F (4°C) and occasional snowfall. Spring and fall offer mild and pleasant weather.

Situated on the banks of the Potomac River, Washington, D.C. benefits from the river's hydrology constituents. The river provides opportunities for recreational activities such as boating, kayaking, and fishing. The Chesapeake and Ohio Canal, which runs parallel to the Potomac River, offers scenic hiking and biking trails.

In addition to the river, the city boasts numerous outdoor recreation options. The National Mall, a vast park in the heart of the city, provides space for walking, picnicking, and outdoor events. Rock Creek Park, a sprawling urban park, offers opportunities for hiking, biking, horseback riding, and wildlife viewing. Furthermore, the city has various neighborhood parks, gardens, and green spaces, providing residents and visitors with ample opportunities for outdoor recreation and relaxation.

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): 8.3

Washington receives approximately 1083mm of rain per year, with humidity levels near 80% and air temperatures averaging around 14°C. Washington has a plant hardyness factor of 7, meaning plants and agriculture in this region tend to thrive during the non-winter months. 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


Area Rivers


Snowpack Depths


Reservoir Storage Capacity


Groundwater Levels

Recreational Opportunity Index (ROI): 6.9

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): 4.5

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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