Solve this logic number sequence puzzle by the correct digit 8080 = 6 1357 = 0 2022 = 1 1999 = 3 6666 = ?

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .