14.0 



12.0 - 



10.0 - 



8.0 - 



RETURN PERIOD IN YEARS 



5 10 20 4060 100 



H 1 1 1 1 1- 



6.0 



1.0 



50.0 80.0 90.0 95.0 98.099-0 

 CUMULHTIVE PROBABILITY SCALE 

 WEIBULL. C = 2.0 



B4 



