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City vs state
How does Portola Valley compare with CA?
Portola Valley is most below the CA average in flood (23 points lower).
Use this page to compare city-level risk against statewide averages for relocation and planning.
Score comparison
Overall
Portola Valley
21/100
CA
18/100
3 points above state average.
Flood
Portola Valley
28/100
CA
51/100
23 points below state average.
Wind
Portola Valley
2/100
CA
3/100
1 points below state average.
Lightning
Portola Valley
0/100
CA
2/100
2 points below state average.
Tornado
Portola Valley
0/100
CA
12/100
12 points below state average.
Hail
Portola Valley
1/100
CA
8/100
7 points below state average.
Storm surge
Portola Valley
0/100
CA
0/100
At state average.
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