County Data
Decatur County, Iowa
Self-reliance and preparedness data for Decatur County
Relatively Low
Hazard Risk (11.0/100)
Moderate
Solar (4.1 kWh/m²/day)
Natural Hazard Risks in Decatur County
| Hazard | Risk Rating | Score |
|---|---|---|
| Cold Wave | Relatively High | 32.1 |
| Drought | Relatively Moderate | 18.7 |
| Tornado | Relatively Moderate | 17.9 |
| Strong Wind | Relatively Moderate | 17.3 |
| Hail | Relatively Moderate | 15.3 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 20°F |
Water & Energy
| Annual Precipitation | 0.9″ |
| Solar Potential | 4.1 kWh/m²/day |
| Wind Speed | 3.1 m/s |
| Soil Type | Silt 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 Decatur County, Iowa?
- Decatur County has an overall hazard rating of Relatively Low based on FEMA National Risk Index data. The top threats are Cold Wave, Drought, Tornado. Each hazard is scored 0–100 by likelihood and expected impact.
- Is Decatur County good for solar power?
- Decatur 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 Decatur County?
- Our database identifies 60 edible plant species in Decatur 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 Decatur County?
- Decatur 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.