14.0 



12.0 - 



10.0 - 



8.0 - 



RETURN PERIOD IN YEARS 

 10 20 40 60 



6.0 



1.0 30.0 95.0 98.0 99.0 



CUMULATIVE PROBABILITY SCALE 

 LOCNORMAL 



99.9 



14.0 



12.0 



10.0 - 



8.0 - 



RETURN PERIOD IN YEARS 



5 10 20 40 60 100 



6.0 



l.O 50.0 80.0 90.0 95.0 98.0 99.0 

 CUMULATIVE PROBABILITY SCALE 

 WEIBULL. C = 1.0 



99.9 



B2 



