Differentiate between a 100-year, 25-year, and 1/n% flood
A 100-year flood has an average chance of happening once every one hundred years. It has a one percent chance of occurring in any given year. Because it only happens on average (over a very long period of time) every one hundred years, it only has a sixty-three percent chance
(
Read more... )
Comments 1
Reply
Leave a comment