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City vs city
Grafton vs Alton, IL
Grafton currently scores 8 points higher overall than Alton, with the largest gap in flood.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Overall
Grafton: 40/100 · Alton: 32/100
Grafton is 8 points higher.
Flood
Grafton: 68/100 · Alton: 0/100
Grafton is 68 points higher.
Wind
Grafton: 16/100 · Alton: 16/100
No gap.
Lightning
Grafton: 48/100 · Alton: 53/100
Alton is 5 points higher.
Tornado
Grafton: 0/100 · Alton: 28/100
Alton is 28 points higher.
Hail
Grafton: 57/100 · Alton: 93/100
Alton is 36 points higher.
Storm surge
Grafton: 0/100 · Alton: 0/100
No gap.