function [MM] = changewunitsfunction (M)

year = M (:,1);
month = M (:,2);
day = M (:,3);
hour = M (:,4);

wsf = M (:,6);
wd = M (:,5);


ws = wsf * 0.447;

MM = [year, month, day, hour, wd, ws];

end