Extreme Event Exceedance Calculator
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Select your X-year event below (light grey fill):
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Threshold Value 2year event
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Number of years in the period2
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Calculated Probability of Exceedance 0.75
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The percent chance of an X-year flood occuring in a single year 75.00%
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The chance of a 2
year event occuring in a single year is
75.00%
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2018 v1.0
by Ryan Kmetz
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