What is Return Period?
Extreme conditions in coastal engineering are often described in terms of return values and return periods. A Return Period, also known as a recurrence interval or repeat interval, is an average time or an estimated average time between events such as earthquakes, floods, landslides, or river discharge flows to occur.
How to Calculate Standard Deviation of Maximum Monthly Wind Speeds given Wind Speed with r-year Return Period?
Standard Deviation of Maximum Monthly Wind Speeds given Wind Speed with r-year Return Period calculator uses Standard Deviation of Maximum Monthly Wind Speeds = (Wind Speed with r Year Return Period-Mean Value of Maximum Monthly Wind Speeds)/(0.78*(ln(12*Return Period of Wind)-0.577)) to calculate the Standard Deviation of Maximum Monthly Wind Speeds, The Standard Deviation of Maximum Monthly Wind Speeds given Wind Speed with r-year Return Period formula is defined as a parameter influencing extreme wind speeds by a simple approach using monthly extreme wind speeds may be helpful in conjunction with limited data sets. Standard Deviation of Maximum Monthly Wind Speeds is denoted by σm symbol.
How to calculate Standard Deviation of Maximum Monthly Wind Speeds given Wind Speed with r-year Return Period using this online calculator? To use this online calculator for Standard Deviation of Maximum Monthly Wind Speeds given Wind Speed with r-year Return Period, enter Wind Speed with r Year Return Period (Ur), Mean Value of Maximum Monthly Wind Speeds (Um) & Return Period of Wind (Tr) and hit the calculate button. Here is how the Standard Deviation of Maximum Monthly Wind Speeds given Wind Speed with r-year Return Period calculation can be explained with given input values -> 3.326324 = (32.6-17.5)/(0.78*(ln(12*50)-0.577)).