Return period (year)

10

20

50

100

350

500

Return level

149.6

154.6

160.6

164.8

171.8

173.6

Standard errors

3.265

4.421

6.278

7.839

11.13

12.12

95% CI

[143.2, 156.0]

[145.9, 163.2]

[148.3, 172.9]

[149.4, 180.1]

[149.9, 193.6]

[149.8, 197.4]