Return period (years)

10

20

50

100

500

Return level (m)

8.21

8.47

8.68

8.78

8.91

Standard error

0.107

0.0958

0.0838

0.0849

0.113

95% CI

(8.00, 8.50)

(6.66, 10.28)

(8.53, 8.83)

(8.61, 8.94)

(8.66, 9.18)