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Know Your Ground

County Data

Grays Harbor County, Washington

Self-reliance and preparedness data for Grays Harbor County

Relatively High

Hazard Risk (38.5/100)

Fair

Solar (3.4 kWh/m²/day)

Natural Hazard Risks in Grays Harbor County

HazardRisk RatingScore
Coastal FloodingVery High83.6
TsunamiRelatively High46.1
LandslideRelatively High26.6
EarthquakeRelatively High22.3
Ice StormRelatively Low8.9

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

Climate Profile

Temperature & Growing Season

January Avg45°F

Water & Energy

Annual Precipitation13.3
Solar Potential3.4 kWh/m²/day
Wind Speed0.9 m/s
Soil TypeSilt Loam

Local Species

44

Edible species

20

Medicinal species

44

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in Grays Harbor County, Washington?
Grays Harbor County has an overall hazard rating of Relatively High based on FEMA National Risk Index data. The top threats are Coastal Flooding, Tsunami, Landslide. Each hazard is scored 0–100 by likelihood and expected impact.
Is Grays Harbor County good for solar power?
Grays Harbor County has a fair 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 Grays Harbor County?
Our database identifies 44 edible plant species in Grays Harbor 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 Grays Harbor County?
Grays Harbor County has an autonomy score of 44. 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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