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City vs state
How does Portsmouth compare with NH?
Portsmouth is most above the NH average in storm surge (98 points higher).
Use this page to compare city-level risk against statewide averages for relocation and planning.
Score comparison
Overall
Portsmouth
41/100
NH
33/100
8 points above state average.
Flood
Portsmouth
73/100
NH
75/100
2 points below state average.
Wind
Portsmouth
23/100
NH
11/100
12 points above state average.
Lightning
Portsmouth
6/100
NH
15/100
9 points below state average.
Tornado
Portsmouth
0/100
NH
12/100
12 points below state average.
Hail
Portsmouth
22/100
NH
40/100
18 points below state average.
Storm surge
Portsmouth
98/100
NH
0/100
98 points above state average.
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