With the help of these two themes, I got the following code. Which seems to be working. Can it be simplified somehow?
array = array';
idx = all(isnan(array),2);
idr = diff(find([1;diff(idx);1]));
D = mat2cell(array,idr(:),size(array,2));
D{1:2:end}
Dmax=cellfun(@max,D);
Dmin=cellfun(@min,D);