City vs state
How does Portola Valley compare with CA?
Portola Valley is most below the CA reference in flood (23 points lower).
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
Portola Valley
22/100
CA
27/100
5 points below state reference.
Flood
Portola Valley
28/100
CA
51/100
23 points below state reference.
Wind
Portola Valley
2/100
CA
3/100
1 points below state reference.
Lightning
Portola Valley
0/100
CA
2/100
2 points below state reference.
Tornado
Portola Valley
0/100
CA
15/100
15 points below state reference.
Hail
Portola Valley
1/100
CA
8/100
7 points below state reference.
Storm surge
Portola Valley
Unavailable
CA
Unavailable
City score and state reference unavailable; no comparison.
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