County Data
St. Clair County, Illinois
Self-reliance and preparedness data for St. Clair County
Relatively Moderate
Hazard Risk (20.8/100)
Moderate
Solar (4.2 kWh/m²/day)
Natural Hazard Risks in St. Clair County
| Hazard | Risk Rating | Score |
|---|---|---|
| Heat Wave | Relatively High | 36.1 |
| Hail | Relatively High | 33.6 |
| Winter Weather | Relatively High | 33.0 |
| Cold Wave | Relatively High | 30.4 |
| Tornado | Relatively High | 29.7 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 26°F |
Water & Energy
| Annual Precipitation | 5.6″ |
| Solar Potential | 4.2 kWh/m²/day |
| Wind Speed | 2.3 m/s |
| Soil Type | Silt Loam |
Local Species
60
Edible species
25
Medicinal species
48
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in St. Clair County, Illinois?
- St. Clair County has an overall hazard rating of Relatively Moderate based on FEMA National Risk Index data. The top threats are Heat Wave, Hail, Winter Weather. Each hazard is scored 0–100 by likelihood and expected impact.
- Is St. Clair County good for solar power?
- St. Clair County has a moderate solar rating. Solar potential is based on average daily irradiance (kWh/m²/day), which determines how much energy rooftop or ground-mounted panels can produce year-round.
- How many edible plants grow in St. Clair County?
- Our database identifies 60 edible plant species in St. Clair County based on regional flora data, USDA hardiness zone, and iNaturalist observations. The full field guide includes identification notes, preparation methods, and seasonal availability.
- What is the autonomy score for St. Clair County?
- St. Clair County has an autonomy score of 48. This composite score measures local self-reliance potential across water access, food production capacity, energy resources, and supply chain resilience. Higher scores indicate greater potential for self-sufficiency.