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Know Your Ground

County Data

New Haven County, Connecticut

Self-reliance and preparedness data for New Haven County

Relatively Moderate

Hazard Risk (13.7/100)

Moderate

Solar (3.9 kWh/m²/day)

Natural Hazard Risks in New Haven County

HazardRisk RatingScore
LightningRelatively High28.3
TornadoRelatively Moderate23.7
Ice StormRelatively Moderate21.5
Cold WaveRelatively Moderate20.2
Strong WindRelatively Moderate17.7

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

Climate Profile

Temperature & Growing Season

January Avg27°F

Water & Energy

Annual Precipitation7.8
Solar Potential3.9 kWh/m²/day
Wind Speed2.7 m/s
Soil TypeSandy Loam

Local Species

72

Edible species

34

Medicinal species

49

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in New Haven County, Connecticut?
New Haven County has an overall hazard rating of Relatively Moderate based on FEMA National Risk Index data. The top threats are Lightning, Tornado, Ice Storm. Each hazard is scored 0–100 by likelihood and expected impact.
Is New Haven County good for solar power?
New Haven 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 New Haven County?
Our database identifies 72 edible plant species in New Haven 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 New Haven County?
New Haven County has an autonomy score of 49. 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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