City vs state
How does Portsmouth compare with NH?
Portsmouth is most above the NH reference in storm surge (98 points higher).
Use this page to compare city-level risk against the statewide reference for relocation and planning. The benchmark is p85-based state reference, not an arithmetic average. Missing coverage is unavailable, not zero risk.
Score comparison
Overall
Portsmouth
41/100
NH
33/100
8 points above state reference.
Flood
Portsmouth
73/100
NH
77/100
4 points below state reference.
Wind
Portsmouth
23/100
NH
11/100
12 points above state reference.
Lightning
Portsmouth
6/100
NH
15/100
9 points below state reference.
Tornado
Portsmouth
0/100
NH
15/100
15 points below state reference.
Hail
Portsmouth
22/100
NH
40/100
18 points below state reference.
Storm surge
Portsmouth
98/100
NH
0/100
98 points above state reference.
Related pages