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Know Your Ground

County Data

Calhoun County, Illinois

Self-reliance and preparedness data for Calhoun County

Very Low

Hazard Risk (5.0/100)

Moderate

Solar (4.1 kWh/m²/day)

Natural Hazard Risks in Calhoun County

HazardRisk RatingScore
LandslideRelatively Low13.3
Cold WaveRelatively Low12.0
Heat WaveRelatively Moderate11.3
TornadoRelatively Low8.9
Winter WeatherRelatively Low8.9

Source: FEMA National Risk Index. Scores 0–100, higher = more risk.

Climate Profile

Temperature & Growing Season

January Avg23°F

Water & Energy

Annual Precipitation4.5
Solar Potential4.1 kWh/m²/day
Wind Speed2.3 m/s
Soil TypeSilt Loam

Local Species

60

Edible species

25

Medicinal species

51

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in Calhoun County, Illinois?
Calhoun County has an overall hazard rating of Very Low based on FEMA National Risk Index data. The top threats are Landslide, Cold Wave, Heat Wave. Each hazard is scored 0–100 by likelihood and expected impact.
Is Calhoun County good for solar power?
Calhoun 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 Calhoun County?
Our database identifies 60 edible plant species in Calhoun 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 Calhoun County?
Calhoun County has an autonomy score of 51. 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.

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