function [MMM] = validatewfunction (M)

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

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


i = find(ws < 25);
w = ws(i);
w(isnan(w)) = [];
w(any(isnan(w),2),:) = [];

MM = [year(i), month(i), day(i), hour(i), wd(i), w];



yearj = MM (:,1);
monthj = MM (:,2);
dayj = MM (:,3);
hourj = MM (:,4);

wsj = MM (:,6);
wdj = MM (:,5);


j = find(wdj < 360);
wj = wdj(j);
wj(isnan(wj)) = [];
wj(any(isnan(wj),2),:) = [];

MMM = [yearj(j), monthj(j), dayj(j), hourj(j), wj, wsj(j)];

end